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CPEH-001 Certified Professional Ethical Hacker (CPEH) Questions and Answers

Questions 4

A software tester is randomly generating invalid inputs in an attempt to crash the program. Which of the following is a software testing technique used to determine if a software program properly handles a wide range of invalid input?

Options:

A.

Mutating

B.

Randomizing

C.

Fuzzing

D.

Bounding

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Questions 5

What would you type on the Windows command line in order to launch the Computer Management Console provided that you are logged in as an admin?

Options:

A.

c:\compmgmt.msc

B.

c:\gpedit

C.

c:\ncpa.cpl

D.

c:\services.msc

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Questions 6

A new wireless client that is 802.11 compliant cannot connect to a wireless network given that the client can see the network and it has compatible hardware and software installed. Upon further tests and investigation, it was found out that the Wireless Access Point (WAP) was not responding to the association requests being sent by the wireless client. What MOST likely is the issue on this scenario?

Options:

A.

The client cannot see the SSID of the wireless network

B.

The WAP does not recognize the client’s MAC address.

C.

The wireless client is not configured to use DHCP.

D.

Client is configured for the wrong channel

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Questions 7

Rebecca commonly sees an error on her Windows system that states that a Data Execution Prevention (DEP) error has taken place. Which of the following is most likely taking place?

Options:

A.

A race condition is being exploited, and the operating system is containing the malicious process.

B.

A page fault is occurring, which forces the operating system to write data from the hard drive.

C.

Malware is executing in either ROM or a cache memory area.

D.

Malicious code is attempting to execute instruction in a non-executable memory region.

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Questions 8

What type of malware is it that restricts access to a computer system that it infects and demands that the user pay a certain amount of money, cryptocurrency, etc. to the operators of the malware to remove the restriction?

Options:

A.

Ransomware

B.

Riskware

C.

Adware

D.

Spyware

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Questions 9

Which of the following tools are used for enumeration? (Choose three.)

Options:

A.

SolarWinds

B.

USER2SID

C.

Cheops

D.

SID2USER

E.

DumpSec

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Questions 10

(Note: the student is being tested on concepts learnt during passive OS fingerprinting, basic TCP/IP connection concepts and the ability to read packet signatures from a sniff dump.). Snort has been used to capture packets on the network. On studying the packets, the penetration tester finds it to be abnormal. If you were the penetration tester, why would you find this abnormal?

What is odd about this attack? Choose the best answer.

CPEH-001 Question 10

Options:

A.

This is not a spoofed packet as the IP stack has increasing numbers for the three flags.

B.

This is back orifice activity as the scan comes from port 31337.

C.

The attacker wants to avoid creating a sub-carries connection that is not normally valid.

D.

These packets were crafted by a tool, they were not created by a standard IP stack.

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Questions 11

Which of the following areas is considered a strength of symmetric key cryptography when compared with asymmetric algorithms?

Options:

A.

Scalability

B.

Speed

C.

Key distribution

D.

Security

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Questions 12

A company recently hired your team of Ethical Hackers to test the security of their network systems. The company wants to have the attack be as realistic as possible. They did not provide any information besides the name of their company. What phase of security testing would your team jump in right away?

Options:

A.

Scanning

B.

Reconnaissance

C.

Escalation

D.

Enumeration

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Questions 13

What does a type 3 code 13 represent? (Choose two.)

Options:

A.

Echo request

B.

Destination unreachable

C.

Network unreachable

D.

Administratively prohibited

E.

Port unreachable

F.

Time exceeded

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Questions 14

What is the most secure way to mitigate the theft of corporate information from a laptop that was left in a hotel room?

Options:

A.

Set a BIOS password.

B.

Encrypt the data on the hard drive.

C.

Use a strong logon password to the operating system.

D.

Back up everything on the laptop and store the backup in a safe place.

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Questions 15

Sandra has been actively scanning the client network on which she is doing a vulnerability assessment test.

While conducting a port scan she notices open ports in the range of 135 to 139.

What protocol is most likely to be listening on those ports?

Options:

A.

Finger

B.

FTP

C.

Samba

D.

SMB

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Questions 16

You are trying to break into a highly classified top-secret mainframe computer with highest security system in place at Merclyn Barley Bank located in Los Angeles.

You know that conventional hacking doesn ' t work in this case, because organizations such as banks are generally tight and secure when it comes to protecting their systems.

In other words, you are trying to penetrate an otherwise impenetrable system.

How would you proceed?

Options:

A.

Look for " zero-day " exploits at various underground hacker websites in Russia and China and buy the necessary exploits from these hackers and target the bank ' s network

B.

Try to hang around the local pubs or restaurants near the bank, get talking to a poorly-paid or disgruntled employee, and offer them money if they ' ll abuse their access privileges by providing you with sensitive information

C.

Launch DDOS attacks against Merclyn Barley Bank ' s routers and firewall systems using 100, 000 or more " zombies " and " bots "

D.

Try to conduct Man-in-the-Middle (MiTM) attack and divert the network traffic going to the Merclyn Barley Bank ' s Webserver to that of your machine using DNS Cache Poisoning techniques

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Questions 17

What does the following command in netcat do?

nc -l -u -p55555 < /etc/passwd

Options:

A.

logs the incoming connections to /etc/passwd file

B.

loads the /etc/passwd file to the UDP port 55555

C.

grabs the /etc/passwd file when connected to UDP port 55555

D.

deletes the /etc/passwd file when connected to the UDP port 55555

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Questions 18

Study the snort rule given below:

CPEH-001 Question 18

From the options below, choose the exploit against which this rule applies.

Options:

A.

WebDav

B.

SQL Slammer

C.

MS Blaster

D.

MyDoom

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Questions 19

What is the proper response for a NULL scan if the port is closed?

Options:

A.

SYN

B.

ACK

C.

FIN

D.

PSH

E.

RST

F.

No response

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Questions 20

Switches maintain a CAM Table that maps individual MAC addresses on the network to physical ports on the switch.

CPEH-001 Question 20

In MAC flooding attack, a switch is fed with many Ethernet frames, each containing different source MAC addresses, by the attacker. Switches have a limited memory for mapping various MAC addresses to physical ports. What happens when the CAM table becomes full?

Options:

A.

Switch then acts as hub by broadcasting packets to all machines on the network

B.

The CAM overflow table will cause the switch to crash causing Denial of Service

C.

The switch replaces outgoing frame switch factory default MAC address of FF:FF:FF:FF:FF:FF

D.

Every packet is dropped and the switch sends out SNMP alerts to the IDS port

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Questions 21

Peter extracts the SIDs list from Windows 2000 Server machine using the hacking tool " SIDExtractor " . Here is the output of the SIDs:

CPEH-001 Question 21

From the above list identify the user account with System Administrator privileges.

Options:

A.

John

B.

Rebecca

C.

Sheela

D.

Shawn

E.

Somia

F.

Chang

G.

Micah

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Questions 22

What is the following command used for?

net use \targetipc$ " " /u: " "

Options:

A.

Grabbing the etc/passwd file

B.

Grabbing the SAM

C.

Connecting to a Linux computer through Samba.

D.

This command is used to connect as a null session

E.

Enumeration of Cisco routers

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Questions 23

Under what conditions does a secondary name server request a zone transfer from a primary name server?

Options:

A.

When a primary SOA is higher that a secondary SOA

B.

When a secondary SOA is higher that a primary SOA

C.

When a primary name server has had its service restarted

D.

When a secondary name server has had its service restarted

E.

When the TTL falls to zero

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Questions 24

MX record priority increases as the number increases. (True/False.)

Options:

A.

True

B.

False

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Questions 25

You are tasked to configure the DHCP server to lease the last 100 usable IP addresses in subnet to. 1.4.0/23. Which of the following IP addresses could be teased as a result of the new configuration?

Options:

A.

210.1.55.200

B.

10.1.4.254

C.

10..1.5.200

D.

10.1.4.156

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Questions 26

Based on the following extract from the log of a compromised machine, what is the hacker really trying to steal?

Options:

A.

har.txt

B.

SAM file

C.

wwwroot

D.

Repair file

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Questions 27

Windows LAN Manager (LM) hashes are known to be weak.

Which of the following are known weaknesses of LM? (Choose three.)

Options:

A.

Converts passwords to uppercase.

B.

Hashes are sent in clear text over the network.

C.

Makes use of only 32-bit encryption.

D.

Effective length is 7 characters.

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Questions 28

The following is an entry captured by a network IDS. You are assigned the task of analyzing this entry. You notice the value 0x90, which is the most common NOOP instruction for the Intel processor. You figure that the attacker is attempting a buffer overflow attack.

You also notice " /bin/sh " in the ASCII part of the output.

As an analyst what would you conclude about the attack?

CPEH-001 Question 28

Options:

A.

The buffer overflow attack has been neutralized by the IDS

B.

The attacker is creating a directory on the compromised machine

C.

The attacker is attempting a buffer overflow attack and has succeeded

D.

The attacker is attempting an exploit that launches a command-line shell

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Questions 29

You went to great lengths to install all the necessary technologies to prevent hacking attacks, such as expensive firewalls, antivirus software, anti-spam systems and intrusion detection/prevention tools in your company ' s network. You have configured the most secure policies and tightened every device on your network. You are confident that hackers will never be able to gain access to your network with complex security system in place.

Your peer, Peter Smith who works at the same department disagrees with you.

He says even the best network security technologies cannot prevent hackers gaining access to the network because of presence of " weakest link " in the security chain.

What is Peter Smith talking about?

Options:

A.

Untrained staff or ignorant computer users who inadvertently become the weakest link in your security chain

B.

" zero-day " exploits are the weakest link in the security chain since the IDS will not be able to detect these attacks

C.

" Polymorphic viruses " are the weakest link in the security chain since the Anti-Virus scanners will not be able to detect these attacks

D.

Continuous Spam e-mails cannot be blocked by your security system since spammers use different techniques to bypass the filters in your gateway

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Questions 30

ViruXine.W32 virus hides their presence by changing the underlying executable code.

This Virus code mutates while keeping the original algorithm intact, the code changes itself each time it runs, but the function of the code (its semantics) will not change at all.

CPEH-001 Question 30

Here is a section of the Virus code:

CPEH-001 Question 30

What is this technique called?

Options:

A.

Polymorphic Virus

B.

Metamorphic Virus

C.

Dravidic Virus

D.

Stealth Virus

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Questions 31

Bob is going to perform an active session hijack against Brownies Inc. He has found a target that allows session oriented connections (Telnet) and performs the sequence prediction on the target operating system. He manages to find an active session due to the high level of traffic on the network. What is Bob supposed to do next?

Options:

A.

Take over the session

B.

Reverse sequence prediction

C.

Guess the sequence numbers

D.

Take one of the parties offline

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Questions 32

Eric has discovered a fantastic package of tools named Dsniff on the Internet. He has learnt to use these tools in his lab and is now ready for real world exploitation. He was able to effectively intercept communications between the two entities and establish credentials with both sides of the connections. The two remote ends of the communication never notice that Eric is relaying the information between the two. What would you call this attack?

Options:

A.

Interceptor

B.

Man-in-the-middle

C.

ARP Proxy

D.

Poisoning Attack

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Questions 33

While examining audit logs, you discover that people are able to telnet into the SMTP server on port 25. You would like to block this, though you do not see any evidence of an attack or other wrong doing. However, you are concerned about affecting the normal functionality of the email server. From the following options choose how best you can achieve this objective?

Options:

A.

Block port 25 at the firewall.

B.

Shut off the SMTP service on the server.

C.

Force all connections to use a username and password.

D.

Switch from Windows Exchange to UNIX Sendmail.

E.

None of the above.

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Questions 34

Which of the following represents the initial two commands that an IRC client sends to join an IRC network?

Options:

A.

USER, NICK

B.

LOGIN, NICK

C.

USER, PASS

D.

LOGIN, USER

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Questions 35

What is the proper response for a NULL scan if the port is open?

Options:

A.

SYN

B.

ACK

C.

FIN

D.

PSH

E.

RST

F.

No response

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Questions 36

While you were gathering information as part of security assessments for one of your clients, you were able to gather data that show your client is involved with fraudulent activities. What should you do?

Options:

A.

Immediately stop work and contact the proper legal authorities

B.

Ignore the data and continue the assessment until completed as agreed

C.

Confront the client in a respectful manner and ask her about the data

D.

Copy the data to removable media and keep it in case you need it

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Questions 37

Which of the following LM hashes represent a password of less than 8 characters? (Choose two.)

Options:

A.

BA810DBA98995F1817306D272A9441BB

B.

44EFCE164AB921CQAAD3B435B51404EE

C.

0182BD0BD4444BF836077A718CCDF409

D.

CEC52EB9C8E3455DC2265B23734E0DAC

E.

B757BF5C0D87772FAAD3B435B51404EE

F.

E52CAC67419A9A224A3B108F3FA6CB6D

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Questions 38

Which address translation scheme would allow a single public IP address to always correspond to a single machine on an internal network, allowing " server publishing " ?

Options:

A.

Overloading Port Address Translation

B.

Dynamic Port Address Translation

C.

Dynamic Network Address Translation

D.

Static Network Address Translation

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Questions 39

You have the SOA presented below in your Zone.

Your secondary servers have not been able to contact your primary server to synchronize information. How long will the secondary servers attempt to contact the primary server before it considers that zone is dead and stops responding to queries?

collegae.edu.SOA, cikkye.edu ipad.college.edu. (200302028 3600 3600 604800 3600)

Options:

A.

One day

B.

One hour

C.

One week

D.

One month

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Questions 40

Tess King is using the nslookup command to craft queries to list all DNS information (such as Name Servers, host names, MX records, CNAME records, glue records (delegation for child Domains), zone serial number, TimeToLive (TTL) records, etc) for a Domain.

What do you think Tess King is trying to accomplish? Select the best answer.

Options:

A.

A zone harvesting

B.

A zone transfer

C.

A zone update

D.

A zone estimate

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Questions 41

A zone file consists of which of the following Resource Records (RRs)?

Options:

A.

DNS, NS, AXFR, and MX records

B.

DNS, NS, PTR, and MX records

C.

SOA, NS, AXFR, and MX records

D.

SOA, NS, A, and MX records

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Questions 42

OpenSSL on Linux servers includes a command line tool for testing TLS. What is the name of the tool and the correct syntax to connect to a web server?

Options:

A.

openssl s_client -site www.website.com:443

B.

openssl_client -site www.website.com:443

C.

openssl s_client -connect www.website.com:443

D.

openssl_client -connect www.website.com:443

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Questions 43

In this attack, a victim receives an e-mail claiming from PayPal stating that their account has been disabled and confirmation is required before activation. The attackers then scam to collect not one but two credit card numbers, ATM PIN number and other personal details. Ignorant users usually fall prey to this scam.

Which of the following statement is incorrect related to this attack?

Options:

A.

Do not reply to email messages or popup ads asking for personal or financial information

B.

Do not trust telephone numbers in e-mails or popup ads

C.

Review credit card and bank account statements regularly

D.

Antivirus, anti-spyware, and firewall software can very easily detect these type of attacks

E.

Do not send credit card numbers, and personal or financial information via e-mail

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Questions 44

One of your team members has asked you to analyze the following SOA record. What is the version?

Rutgers.edu.SOA NS1.Rutgers.edu ipad.college.edu (200302028 3600 3600 604800 2400.) (Choose four.)

Options:

A.

200303028

B.

3600

C.

604800

D.

2400

E.

60

F.

4800

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Questions 45

How is the public key distributed in an orderly, controlled fashion so that the users can be sure of the sender’s identity?

Options:

A.

Hash value

B.

Private key

C.

Digital signature

D.

Digital certificate

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Questions 46

A hacker named Jack is trying to compromise a bank’s computer system. He needs to know the operating system of that computer to launch further attacks.

What process would help him?

Options:

A.

Banner Grabbing

B.

IDLE/IPID Scanning

C.

SSDP Scanning

D.

UDP Scanning

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Questions 47

An attacker scans a host with the below command. Which three flags are set? (Choose three.)

#nmap –sX host.domain.com

Options:

A.

This is ACK scan. ACK flag is set

B.

This is Xmas scan. SYN and ACK flags are set

C.

This is Xmas scan. URG, PUSH and FIN are set

D.

This is SYN scan. SYN flag is set

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Questions 48

Which of the following is an adaptive SQL Injection testing technique used to discover coding errors by inputting massive amounts of random data and observing the changes in the output?

Options:

A.

Function Testing

B.

Dynamic Testing

C.

Static Testing

D.

Fuzzing Testing

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Questions 49

Which of the following attacks exploits web age vulnerabilities that allow an attacker to force an unsuspecting user’s browser to send malicious requests they did not intend?

Options:

A.

Command Injection Attacks

B.

File Injection Attack

C.

Cross-Site Request Forgery (CSRF)

D.

Hidden Field Manipulation Attack

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Questions 50

Chandler works as a pen-tester in an IT-firm in New York. As a part of detecting viruses in the systems, he uses a detection method where the anti-virus executes the malicious codes on a virtual machine to simulate CPU and memory activities.

Which type of virus detection method did Chandler use in this context?

Options:

A.

Heuristic Analysis

B.

Code Emulation

C.

Integrity checking

D.

Scanning

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Questions 51

During the process of encryption and decryption, what keys are shared?

During the process of encryption and decryption, what keys are shared?

Options:

A.

Private keys

B.

User passwords

C.

Public keys

D.

Public and private keys

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Questions 52

Which Type of scan sends a packets with no flags set?

Options:

A.

Open Scan

B.

Null Scan

C.

Xmas Scan

D.

Half-Open Scan

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Questions 53

Which of these is capable of searching for and locating rogue access points?

Options:

A.

HIDS

B.

WISS

C.

WIPS

D.

NIDS

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Questions 54

Risks = Threats x Vulnerabilities is referred to as the:

Options:

A.

Risk equation

B.

Threat assessment

C.

BIA equation

D.

Disaster recovery formula

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Questions 55

Which of the following is a protocol specifically designed for transporting event messages?

Options:

A.

SYSLOG

B.

SMS

C.

SNMP

D.

ICMP

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Questions 56

Session splicing is an IDS evasion technique in which an attacker delivers data in multiple, smallsized packets to the target computer, making it very difficult for an IDS to detect the attack signatures.

Which tool can be used to perform session splicing attacks?

Options:

A.

Whisker

B.

tcpsplice

C.

Burp

D.

Hydra

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Questions 57

During a security audit of IT processes, an IS auditor found that there were no documented security procedures. What should the IS auditor do?

Options:

A.

Identify and evaluate existing practices

B.

Create a procedures document

C.

Conduct compliance testing

D.

Terminate the audit

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Questions 58

You work as a Security Analyst for a retail organization. In securing the company ' s network, you set up a firewall and an IDS. However, hackers are able to attack the network. After investigating, you discover that your IDS is not configured properly and therefore is unable to trigger alarms when needed. What type of alert is the IDS giving?

Options:

A.

False Negative

B.

False Positive

C.

True Negative

D.

True Positive

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Questions 59

A company ' s Web development team has become aware of a certain type of security vulnerability in their Web software. To mitigate the possibility of this vulnerability being exploited, the team wants to modify the software requirements to disallow users from entering HTML as input into their Web application.

What kind of Web application vulnerability likely exists in their software?

Options:

A.

Cross-site scripting vulnerability

B.

Cross-site Request Forgery vulnerability

C.

SQL injection vulnerability

D.

Web site defacement vulnerability

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Questions 60

If executives are found liable for not properly protecting their company ' s assets and information systems, what type of law would apply in this situation?

Options:

A.

Civil

B.

International

C.

Criminal

D.

Common

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Questions 61

The " gray box testing " methodology enforces what kind of restriction?

Options:

A.

The internal operation of a system is only partly accessible to the tester.

B.

The internal operation of a system is completely known to the tester.

C.

Only the external operation of a system is accessible to the tester.

D.

Only the internal operation of a system is known to the tester.

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Questions 62

LM hash is a compromised password hashing function. Which of the following parameters describe LM Hash:?

I – The maximum password length is 14 characters.

II – There are no distinctions between uppercase and lowercase.

III – It’s a simple algorithm, so 10,000,000 hashes can be generated per second.

Options:

A.

I

B.

I, II, and III

C.

II

D.

I and II

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Questions 63

While reviewing the result of scanning run against a target network you come across the following:

CPEH-001 Question 63

Which among the following can be used to get this output?

Options:

A.

A Bo2k system query.

B.

nmap protocol scan

C.

A sniffer

D.

An SNMP walk

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Questions 64

Which of the following commands runs snort in packet logger mode?

Options:

A.

./snort -dev -h ./log

B.

./snort -dev -l ./log

C.

./snort -dev -o ./log

D.

./snort -dev -p ./log

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Questions 65

When security and confidentiality of data within the same LAN is of utmost priority, which IPSec mode should you implement?

Options:

A.

AH Tunnel mode

B.

AH promiscuous

C.

ESP transport mode

D.

ESP confidential

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Questions 66

A server has been infected by a certain type of Trojan. The hacker intended to utilize it to send and host junk mails. What type of Trojan did the hacker use?

Options:

A.

Turtle Trojans

B.

Ransomware Trojans

C.

Botnet Trojan

D.

Banking Trojans

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Questions 67

Nathan is testing some of his network devices. Nathan is using Macof to try and flood the ARP cache of these switches.

If these switches ' ARP cache is successfully flooded, what will be the result?

Options:

A.

The switches will drop into hub mode if the ARP cache is successfully flooded.

B.

If the ARP cache is flooded, the switches will drop into pix mode making it less susceptible to attacks.

C.

Depending on the switch manufacturer, the device will either delete every entry in its ARP cache or reroute packets to the nearest switch.

D.

The switches will route all traffic to the broadcast address created collisions.

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Questions 68

What is a NULL scan?

Options:

A.

A scan in which all flags are turned off

B.

A scan in which certain flags are off

C.

A scan in which all flags are on

D.

A scan in which the packet size is set to zero

E.

A scan with an illegal packet size

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Questions 69

What is the minimum number of network connections in a multi homed firewall?

Options:

A.

3

B.

5

C.

4

D.

2

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Questions 70

Which of the following is the best countermeasure to encrypting ransomwares?

Options:

A.

Use multiple antivirus softwares

B.

Keep some generation of off-line backup

C.

Analyze the ransomware to get decryption key of encrypted data

D.

Pay a ransom

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Questions 71

Which one of the following Google advanced search operators allows an attacker to restrict the results to those websites in the given domain?

Options:

A.

[cache:]

B.

[site:]

C.

[inurl:]

D.

[link:]

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Questions 72

Why containers are less secure that virtual machines?

Options:

A.

Host OS on containers has a larger surface attack.

B.

Containers may full fill disk space of the host.

C.

A compromise container may cause a CPU starvation of the host.

D.

Containers are attached to the same virtual network.

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Questions 73

What network security concept requires multiple layers of security controls to be placed throughout an IT infrastructure, which improves the security posture of an organization to defend against malicious attacks or potential vulnerabilities?

What kind of Web application vulnerability likely exists in their software?

Options:

A.

Host-Based Intrusion Detection System

B.

Security through obscurity

C.

Defense in depth

D.

Network-Based Intrusion Detection System

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Questions 74

What does the -oX flag do in an Nmap scan?

Options:

A.

Perform an express scan

B.

Output the results in truncated format to the screen

C.

Perform an Xmas scan

D.

Output the results in XML format to a file

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Questions 75

What is the purpose of a demilitarized zone on a network?

Options:

A.

To scan all traffic coming through the DMZ to the internal network

B.

To only provide direct access to the nodes within the DMZ and protect the network behind it

C.

To provide a place to put the honeypot

D.

To contain the network devices you wish to protect

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Questions 76

Log monitoring tools performing behavioral analysis have alerted several suspicious logins on a Linux server occurring during non-business hours. After further examination of all login activities, it is noticed that none of the logins have occurred during typical work hours. A Linux administrator who is investigating this problem realizes the system time on the Linux server is wrong by more than twelve hours. What protocol used on Linux servers to synchronize the time has stopped working?

Options:

A.

Time Keeper

B.

NTP

C.

PPP

D.

OSPP

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Questions 77

What is one of the advantages of using both symmetric and asymmetric cryptography in SSL/TLS?

Options:

A.

Symmetric algorithms such as AES provide a failsafe when asymmetric methods fail.

B.

Asymmetric cryptography is computationally expensive in comparison. However, it is well-suited to securely negotiate keys for use with symmetric cryptography.

C.

Symmetric encryption allows the server to securely transmit the session keys out-of-band.

D.

Supporting both types of algorithms allows less-powerful devices such as mobile phones to use symmetric encryption instead.

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Questions 78

You perform a scan of your company’s network and discover that TCP port 123 is open. What services by default run on TCP port 123?

Options:

A.

Telnet

B.

POP3

C.

Network Time Protocol

D.

DNS

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Questions 79

What type of vulnerability/attack is it when the malicious person forces the user’s browser to send an authenticated request to a server?

Options:

A.

Cross-site request forgery

B.

Cross-site scripting

C.

Session hijacking

D.

Server side request forgery

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Questions 80

Which of the following act requires employer’s standard national numbers to identify them on standard transactions?

Options:

A.

SOX

B.

HIPAA

C.

DMCA

D.

PCI-DSS

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Questions 81

Your business has decided to add credit card numbers to the data it backs up to tape. Which of the

following represents the best practice your business should observe?

Options:

A.

Hire a security consultant to provide direction.

B.

Do not back up cither the credit card numbers or then hashes.

C.

Back up the hashes of the credit card numbers not the actual credit card numbers.

D.

Encrypt backup tapes that are sent off-site.

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Questions 82

Cross-site request forgery involves:

Options:

A.

A request sent by a malicious user from a browser to a server

B.

Modification of a request by a proxy between client and server

C.

A browser making a request to a server without the user’s knowledge

D.

A server making a request to another server without the user’s knowledge

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Questions 83

You are monitoring the network of your organizations. You notice that:

1. There are huge outbound connections from your Internal Network to External IPs.

2. On further investigation, you see that the External IPs are blacklisted.

3. Some connections are accepted, and some are dropped.

4. You find that it is a CnC communication.

Which of the following solution will you suggest?

Options:

A.

Block the Blacklist IP’s @ Firewall

B.

Update the Latest Signatures on your IDS/IPS

C.

Clean the Malware which are trying to Communicate with the External Blacklist IP’s

D.

Both B and C

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Questions 84

Which of the following scanning method splits the TCP header into several packets and makes it difficult for packet filters to detect the purpose of the packet?

Options:

A.

ICMP Echo scanning

B.

SYN/FIN scanning using IP fragments

C.

ACK flag probe scanning

D.

IPID scanning

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Questions 85

You have successfully compromised a machine on the network and found a server that is alive on the same network. You tried to ping it but you didn ' t get any response back.

What is happening?

Options:

A.

ICMP could be disabled on the target server.

B.

The ARP is disabled on the target server.

C.

TCP/IP doesn ' t support ICMP.

D.

You need to run the ping command with root privileges.

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Questions 86

You are attempting to man-in-the-middle a session. Which protocol will allow you to guess a sequence number?

Options:

A.

TCP

B.

UPD

C.

ICMP

D.

UPX

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Questions 87

Which regulation defines security and privacy controls for Federal information systems and organizations?

Options:

A.

NIST-800-53

B.

PCI-DSS

C.

EU Safe Harbor

D.

HIPAA

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Questions 88

Your company was hired by a small healthcare provider to perform a technical assessment on the network.

What is the best approach for discovering vulnerabilities on a Windows-based computer?

Options:

A.

Use a scan tool like Nessus

B.

Use the built-in Windows Update tool

C.

Check MITRE.org for the latest list of CVE findings

D.

Create a disk image of a clean Windows installation

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Questions 89

How does the Address Resolution Protocol (ARP) work?

Options:

A.

It sends a request packet to all the network elements, asking for the MAC address from a specific IP.

B.

It sends a reply packet to all the network elements, asking for the MAC address from a specific IP.

C.

It sends a reply packet for a specific IP, asking for the MAC address.

D.

It sends a request packet to all the network elements, asking for the domain name from a specific IP.

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Questions 90

A virus that attempts to install itself inside the file it is infecting is called?

Options:

A.

Tunneling virus

B.

Cavity virus

C.

Polymorphic virus

D.

Stealth virus

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Questions 91

The " white box testing " methodology enforces what kind of restriction?

Options:

A.

The internal operation of a system is completely known to the tester.

B.

Only the external operation of a system is accessible to the tester.

C.

Only the internal operation of a system is known to the tester.

D.

The internal operation of a system is only partly accessible to the tester.

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Questions 92

While performing online banking using a Web browser, a user receives an email that contains a link to an interesting Web site. When the user clicks on the link, another Web browser session starts and displays a video of cats playing a piano. The next business day, the user receives what looks like an email from his bank, indicating that his bank account has been accessed from a foreign country. The email asks the user to call his bank and verify the authorization of a funds transfer that took place.

What Web browser-based security vulnerability was exploited to compromise the user?

Options:

A.

Cross-Site Request Forgery

B.

Cross-Site Scripting

C.

Clickjacking

D.

Web form input validation

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Questions 93

On a Linux device, which of the following commands will start the Nessus client in the background so that the Nessus server can be configured?

Options:

A.

nessus +

B.

nessus *s

C.

nessus &

D.

nessus -d

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Questions 94

A tester has been using the msadc.pl attack script to execute arbitrary commands on a Windows NT4 web server. While it is effective, the tester finds it tedious to perform extended functions. On further research, the tester come across a perl script that runs the following msadc functions:

CPEH-001 Question 94

Which exploit is indicated by this script?

Options:

A.

A buffer overflow exploit

B.

A chained exploit

C.

A SQL injection exploit

D.

A denial of service exploit

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Questions 95

Identify the UDP port that Network Time Protocol (NTP) uses as its primary means of communication?

Options:

A.

123

B.

161

C.

69

D.

113

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Questions 96

Firewalls are the software or hardware systems that are able to control and monitor the traffic coming in and out the target network based on pre-defined set of rules.

Which of the following types of firewalls can protect against SQL injection attacks?

Options:

A.

Data-driven firewall

B.

Stateful firewall

C.

Packet firewall

D.

Web application firewall

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Questions 97

You are attempting to run an Nmap port scan on a web server. Which of the following commands would result in a scan of common ports with the least amount of noise in order to evade IDS?

Options:

A.

nmap –A - Pn

B.

nmap –sP –p-65535-T5

C.

nmap –sT –O –T0

D.

nmap –A --host-timeout 99-T1

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Questions 98

In which of the following cryptography attack methods, the attacker makes a series of interactive queries, choosing subsequent plaintexts based on the information from the previous encryptions?

Options:

A.

Chosen-plaintext attack

B.

Ciphertext-only attack

C.

Adaptive chosen-plaintext attack

D.

Known-plaintext attack

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Questions 99

DHCP snooping is a great solution to prevent rogue DHCP servers on your network. Which security feature on switches leverages the DHCP snooping database to help prevent man-in-the-middle attacks?

Options:

A.

Port security

B.

A Layer 2 Attack Prevention Protocol (LAPP)

C.

Dynamic ARP inspection (DAI)

D.

Spanning tree

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Questions 100

Which of the following is considered as one of the most reliable forms of TCP scanning?

Options:

A.

TCP Connect/Full Open Scan

B.

Half-open Scan

C.

NULL Scan

D.

Xmas Scan

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Questions 101

Some clients of TPNQM SA were redirected to a malicious site when they tried to access the TPNQM main site. Bob, a system administrator at TPNQM SA, found that they were victims of DNS Cache Poisoning.

What should Bob recommend to deal with such a threat?

Options:

A.

The use of security agents in clients’ computers

B.

The use of DNSSEC

C.

The use of double-factor authentication

D.

Client awareness

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Questions 102

Email is transmitted across the Internet using the Simple Mail Transport Protocol. SMTP does not encrypt email, leaving the information in the message vulnerable to being read by an unauthorized person. SMTP can upgrade a connection between two mail servers to use TLS. Email transmitted by SMTP over TLS is encrypted. What is the name of the command used by SMTP to transmit email over TLS?

Options:

A.

OPPORTUNISTICTLS STARTTLS

B.

FORCETLS

C.

UPGRADETLS

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Questions 103

What is the best defense against privilege escalation vulnerability?

Options:

A.

Patch systems regularly and upgrade interactive login privileges at the system administrator level.

B.

Run administrator and applications on least privileges and use a content registry for tracking.

C.

Run services with least privileged accounts and implement multi-factor authentication and authorization.

D.

Review user roles and administrator privileges for maximum utilization of automation services.

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Questions 104

Fingerprinting VPN firewalls is possible with which of the following tools?

Options:

A.

Angry IP

B.

Nikto

C.

Ike-scan

D.

Arp-scan

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Questions 105

Which of the following identifies the three modes in which Snort can be configured to run?

Options:

A.

Sniffer, Packet Logger, and Network Intrusion Detection System

B.

Sniffer, Network Intrusion Detection System, and Host Intrusion Detection System

C.

Sniffer, Host Intrusion Prevention System, and Network Intrusion Prevention System

D.

Sniffer, Packet Logger, and Host Intrusion Prevention System

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Questions 106

A security administrator notices that the log file of the company’s webserver contains suspicious entries:

CPEH-001 Question 106

Based on source code analysis, the analyst concludes that the login.php script is vulnerable to

Options:

A.

command injection.

B.

SQL injection.

C.

directory traversal.

D.

LDAP injection.

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Questions 107

A pentester is using Metasploit to exploit an FTP server and pivot to a LAN. How will the pentester pivot using Metasploit?

Options:

A.

Issue the pivot exploit and set the meterpreter.

B.

Reconfigure the network settings in the meterpreter.

C.

Set the payload to propagate through the meterpreter.

D.

Create a route statement in the meterpreter.

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Questions 108

Least privilege is a security concept that requires that a user is

Options:

A.

limited to those functions required to do the job.

B.

given root or administrative privileges.

C.

trusted to keep all data and access to that data under their sole control.

D.

given privileges equal to everyone else in the department.

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Questions 109

Which of the following can the administrator do to verify that a tape backup can be recovered in its entirety?

Options:

A.

Restore a random file.

B.

Perform a full restore.

C.

Read the first 512 bytes of the tape.

D.

Read the last 512 bytes of the tape.

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Questions 110

Which security control role does encryption meet?

Options:

A.

Preventative

B.

Detective

C.

Offensive

D.

Defensive

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Questions 111

Pentest results indicate that voice over IP traffic is traversing a network. Which of the following tools will decode a packet capture and extract the voice conversations?

Options:

A.

Cain

B.

John the Ripper

C.

Nikto

D.

Hping

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Questions 112

What statement is true regarding LM hashes?

Options:

A.

LM hashes consist in 48 hexadecimal characters.

B.

LM hashes are based on AES128 cryptographic standard.

C.

Uppercase characters in the password are converted to lowercase.

D.

LM hashes are not generated when the password length exceeds 15 characters.

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Questions 113

Which of the following open source tools would be the best choice to scan a network for potential targets?

Options:

A.

NMAP

B.

NIKTO

C.

CAIN

D.

John the Ripper

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Questions 114

Which statement is TRUE regarding network firewalls preventing Web Application attacks?

Options:

A.

Network firewalls can prevent attacks because they can detect malicious HTTP traffic.

B.

Network firewalls cannot prevent attacks because ports 80 and 443 must be opened.

C.

Network firewalls can prevent attacks if they are properly configured.

D.

Network firewalls cannot prevent attacks because they are too complex to configure.

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Questions 115

A consultant is hired to do physical penetration testing at a large financial company. In the first day of his assessment, the consultant goes to the company`s building dressed like an electrician and waits in the lobby for an employee to pass through the main access gate, then the consultant follows the employee behind to get into the restricted area. Which type of attack did the consultant perform?

Options:

A.

Man trap

B.

Tailgating

C.

Shoulder surfing

D.

Social engineering

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Questions 116

A computer science student needs to fill some information into a secured Adobe PDF job application that was received from a prospective employer. Instead of requesting a new document that allowed the forms to be completed, the student decides to write a script that pulls passwords from a list of commonly used passwords to try against the secured PDF until the correct password is found or the list is exhausted.

Which cryptography attack is the student attempting?

Options:

A.

Man-in-the-middle attack

B.

Brute-force attack

C.

Dictionary attack

D.

Session hijacking

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Questions 117

During a wireless penetration test, a tester detects an access point using WPA2 encryption. Which of the following attacks should be used to obtain the key?

Options:

A.

The tester must capture the WPA2 authentication handshake and then crack it.

B.

The tester must use the tool inSSIDer to crack it using the ESSID of the network.

C.

The tester cannot crack WPA2 because it is in full compliance with the IEEE 802.11i standard.

D.

The tester must change the MAC address of the wireless network card and then use the AirTraf tool to obtain the key.

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Questions 118

Which of the following techniques will identify if computer files have been changed?

Options:

A.

Network sniffing

B.

Permission sets

C.

Integrity checking hashes

D.

Firewall alerts

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Questions 119

A security engineer has been asked to deploy a secure remote access solution that will allow employees to connect to the company’s internal network. Which of the following can be implemented to minimize the opportunity for the man-in-the-middle attack to occur?

Options:

A.

SSL

B.

Mutual authentication

C.

IPSec

D.

Static IP addresses

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Questions 120

When creating a security program, which approach would be used if senior management is supporting and enforcing the security policy?

Options:

A.

A bottom-up approach

B.

A top-down approach

C.

A senior creation approach

D.

An IT assurance approach

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Questions 121

Which type of intrusion detection system can monitor and alert on attacks, but cannot stop them?

Options:

A.

Detective

B.

Passive

C.

Intuitive

D.

Reactive

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Questions 122

One advantage of an application-level firewall is the ability to

Options:

A.

filter packets at the network level.

B.

filter specific commands, such as http:post.

C.

retain state information for each packet.

D.

monitor tcp handshaking.

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Questions 123

Which of the following incident handling process phases is responsible for defining rules, collaborating human workforce, creating a back-up plan, and testing the plans for an organization?

Options:

A.

Preparation phase

B.

Containment phase

C.

Identification phase

D.

Recovery phase

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Questions 124

Emil uses nmap to scan two hosts using this command.

nmap -sS -T4 -O 192.168.99.1 192.168.99.7

He receives this output:

CPEH-001 Question 124

CPEH-001 Question 124

What is his conclusion?

Options:

A.

Host 192.168.99.7 is an iPad.

B.

He performed a SYN scan and OS scan on hosts 192.168.99.1 and 192.168.99.7.

C.

Host 192.168.99.1 is the host that he launched the scan from.

D.

Host 192.168.99.7 is down.

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Questions 125

What results will the following command yield: ' NMAP -sS -O -p 123-153 192.168.100.3 ' ?

Options:

A.

A stealth scan, opening port 123 and 153

B.

A stealth scan, checking open ports 123 to 153

C.

A stealth scan, checking all open ports excluding ports 123 to 153

D.

A stealth scan, determine operating system, and scanning ports 123 to 153

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Questions 126

A person approaches a network administrator and wants advice on how to send encrypted email from home. The end user does not want to have to pay for any license fees or manage server services. Which of the following is the most secure encryption protocol that the network administrator should recommend?

Options:

A.

IP Security (IPSEC)

B.

Multipurpose Internet Mail Extensions (MIME)

C.

Pretty Good Privacy (PGP)

D.

Hyper Text Transfer Protocol with Secure Socket Layer (HTTPS)

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Questions 127

Firewalk has just completed the second phase (the scanning phase) and a technician receives the output shown below. What conclusions can be drawn based on these scan results?

CPEH-001 Question 127

Options:

A.

The firewall itself is blocking ports 21 through 23 and a service is listening on port 23 of the target host.

B.

The lack of response from ports 21 and 22 indicate that those services are not running on the destination server.

C.

The scan on port 23 passed through the filtering device. This indicates that port 23 was not blocked at the firewall.

D.

The scan on port 23 was able to make a connection to the destination host prompting the firewall to respond with a TTL error.

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Questions 128

Diffie-Hellman (DH) groups determine the strength of the key used in the key exchange process. Which of the following is the correct bit size of the Diffie-Hellman (DH) group 5?

Options:

A.

768 bit key

B.

1025 bit key

C.

1536 bit key

D.

2048 bit key

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Questions 129

During a penetration test, a tester finds that the web application being analyzed is vulnerable to Cross Site Scripting (XSS). Which of the following conditions must be met to exploit this vulnerability?

Options:

A.

The web application does not have the secure flag set.

B.

The session cookies do not have the HttpOnly flag set.

C.

The victim user should not have an endpoint security solution.

D.

The victim ' s browser must have ActiveX technology enabled.

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Questions 130

A company has publicly hosted web applications and an internal Intranet protected by a firewall. Which technique will help protect against enumeration?

Options:

A.

Reject all invalid email received via SMTP.

B.

Allow full DNS zone transfers.

C.

Remove A records for internal hosts.

D.

Enable null session pipes.

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Questions 131

Sandra is the security administrator of XYZ.com. One day she notices that the XYZ.com Oracle database server has been compromised and customer information along with financial data has been stolen. The financial loss will be estimated in millions of dollars if the database gets into the hands of competitors. Sandra wants to report this crime to the law enforcement agencies immediately. Which organization coordinates computer crime investigations throughout the United States?

Options:

A.

NDCA

B.

NICP

C.

CIRP

D.

NPC

E.

CIA

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Questions 132

Destination unreachable administratively prohibited messages can inform the hacker to what?

Options:

A.

That a circuit level proxy has been installed and is filtering traffic

B.

That his/her scans are being blocked by a honeypot or jail

C.

That the packets are being malformed by the scanning software

D.

That a router or other packet-filtering device is blocking traffic

E.

That the network is functioning normally

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Questions 133

What is the best Nmap command to use when you want to list all devices in the same network quickly after you successfully identified a server whose IP address is 10.10.0.5?

Options:

A.

nmap -T4 -F 10.10.0.0/24

B.

nmap -T4 -q 10.10.0.0/24

C.

nmap -T4 -O 10.10.0.0/24

D.

nmap -T4 -r 10.10.1.0/24

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Questions 134

XOR is a common cryptographic tool. 10110001 XOR 00111010 is?

Options:

A.

10111100

B.

11011000

C.

10011101

D.

10001011

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Questions 135

Which of the following is the BEST way to protect Personally Identifiable Information (PII) from being exploited due to vulnerabilities of varying web applications?

Options:

A.

Use cryptographic storage to store all PII

B.

Use full disk encryption on all hard drives to protect PII

C.

Use encrypted communications protocols to transmit PII

D.

Use a security token to log into all Web applications that use PII

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Questions 136

........is an attack type for a rogue Wi-Fi access point that appears to be a legitimate one offered on the premises, but actually has been set up to eavesdrop on wireless communications. It is the wireless version of the phishing scam. An attacker fools wireless users into connecting a laptop or mobile phone to a tainted hotspot by posing as a legitimate provider. This type of attack may be used to steal the passwords of unsuspecting users by either snooping the communication link or by phishing, which involves setting up a fraudulent web site and luring people there.

Fill in the blank with appropriate choice.

Options:

A.

Collision Attack

B.

Evil Twin Attack

C.

Sinkhole Attack

D.

Signal Jamming Attack

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Questions 137

What is the way to decide how a packet will move from an untrusted outside host to a protected inside that is behind a firewall, which permits the hacker to determine which ports are open and if the packets can pass through the packet-filtering of the firewall?

Options:

A.

Firewalking

B.

Session hijacking

C.

Network sniffing

D.

Man-in-the-middle attack

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Questions 138

What term describes the amount of risk that remains after the vulnerabilities are classified and the countermeasures have been deployed?

Options:

A.

Residual risk

B.

Inherent risk

C.

Deferred risk

D.

Impact risk

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Questions 139

You’ve just discovered a server that is currently active within the same network with the machine you recently compromised. You ping it but it did not respond. What could be the case?

Options:

A.

TCP/IP doesn’t support ICMP

B.

ARP is disabled on the target server

C.

ICMP could be disabled on the target server

D.

You need to run the ping command with root privileges

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Questions 140

What is the approximate cost of replacement and recovery operation per year of a hard drive that has a value of $300 given that the technician who charges $10/hr would need 10 hours to restore OS and Software and needs further 4 hours to restore the database from the last backup to the new hard disk? Calculate the SLE, ARO, and ALE. Assume the EF = 1 (100%).

Options:

A.

$440

B.

$100

C.

$1320

D.

$146

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Questions 141

It is a widely used standard for message logging. It permits separation of the software that generates messages, the system that stores them, and the software that reports and analyzes them. This protocol is specifically designed for transporting event messages. Which of the following is being described?

Options:

A.

SNMP

B.

ICMP

C.

SYSLOG

D.

SMS

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Questions 142

You have initiated an active operating system fingerprinting attempt with nmap against a target system:

CPEH-001 Question 142

What operating system is the target host running based on the open ports shown above?

Options:

A.

Windows XP

B.

Windows 98 SE

C.

Windows NT4 Server

D.

Windows 2000 Server

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Questions 143

Shellshock had the potential for an unauthorized user to gain access to a server. It affected many internet-facing services, which OS did it not directly affect?

Options:

A.

Windows

B.

Unix

C.

Linux

D.

OS X

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Questions 144

Which of the following types of firewalls ensures that the packets are part of the established session?

Options:

A.

Stateful inspection firewall

B.

Circuit-level firewall

C.

Application-level firewall

D.

Switch-level firewall

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Questions 145

In cryptanalysis and computer security, ' pass the hash ' is a hacking technique that allows an attacker to authenticate to a remote server/service by using the underlying NTLM and/or LanMan hash of a user ' s password, instead of requiring the associated plaintext password as is normally the case.

Metasploit Framework has a module for this technique: psexec. The psexec module is often used by penetration testers to obtain access to a given system that you already know the credentials for. It was written by sysinternals and has been integrated within the framework. Often as penetration testers, successfully gain access to a system through some exploit, use meterpreter to grab the passwords or other methods like fgdump, pwdump, or cachedump and then utilize rainbowtables to crack those hash values.

Which of the following is true hash type and sort order that is using in the psexec module ' s ' smbpass ' ?

Options:

A.

NT:LM

B.

LM:NT

C.

LM:NTLM

D.

NTLM:LM

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Questions 146

The security concept of " separation of duties " is most similar to the operation of which type of security device?

Options:

A.

Firewall

B.

Bastion host

C.

Intrusion Detection System

D.

Honeypot

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Questions 147

Attempting an injection attack on a web server based on responses to True/False questions is called which of the following?

Options:

A.

Blind SQLi

B.

DMS-specific SQLi

C.

Classic SQLi

D.

Compound SQLi

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Questions 148

You ' re doing an internal security audit and you want to find out what ports are open on all the servers. What is the best way to find out?

Options:

A.

Scan servers with Nmap

B.

Physically go to each server

C.

Scan servers with MBSA

D.

Telent to every port on each server

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Questions 149

Look at the following output. What did the hacker accomplish?

CPEH-001 Question 149

Options:

A.

The hacker used whois to gather publicly available records for the domain.

B.

The hacker used the " fierce " tool to brute force the list of available domains.

C.

The hacker listed DNS records on his own domain.

D.

The hacker successfully transferred the zone and enumerated the hosts.

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Questions 150

A company ' s security policy states that all Web browsers must automatically delete their HTTP browser cookies upon terminating. What sort of security breach is this policy attempting to mitigate?

Options:

A.

Attempts by attackers to access Web sites that trust the Web browser user by stealing the user ' s authentication credentials.

B.

Attempts by attackers to access the user and password information stored in the company ' s SQL database.

C.

Attempts by attackers to access passwords stored on the user ' s computer without the user ' s knowledge.

D.

Attempts by attackers to determine the user ' s Web browser usage patterns, including when sites were visited and for how long.

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Questions 151

An attacker with access to the inside network of a small company launches a successful STP manipulation attack. What will he do next?

Options:

A.

He will create a SPAN entry on the spoofed root bridge and redirect traffic to his computer.

B.

He will activate OSPF on the spoofed root bridge.

C.

He will repeat the same attack against all L2 switches of the network.

D.

He will repeat this action so that it escalates to a DoS attack.

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Questions 152

Which of the following tools is used to detect wireless LANs using the 802.11a/b/g/n WLAN standards on a linux platform?

Options:

A.

Kismet

B.

Nessus

C.

Netstumbler

D.

Abel

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Questions 153

Which of the following is a low-tech way of gaining unauthorized access to systems?

Options:

A.

Social Engineering

B.

Sniffing

C.

Eavesdropping

D.

Scanning

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Questions 154

What is the role of test automation in security testing?

Options:

A.

It can accelerate benchmark tests and repeat them with a consistent test setup. But it cannot replace manual testing completely.

B.

It is an option but it tends to be very expensive.

C.

It should be used exclusively. Manual testing is outdated because of low speed and possible test setup inconsistencies.

D.

Test automation is not usable in security due to the complexity of the tests.

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Questions 155

PGP, SSL, and IKE are all examples of which type of cryptography?

Options:

A.

Public Key

B.

Secret Key

C.

Hash Algorithm

D.

Digest

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Questions 156

You want to do an ICMP scan on a remote computer using hping2. What is the proper syntax?

Options:

A.

hping2 host.domain.com

B.

hping2 --set-ICMP host.domain.com

C.

hping2 -i host.domain.com

D.

hping2 -1 host.domain.com

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Questions 157

A large mobile telephony and data network operator has a data that houses network elements. These are essentially large computers running on Linux. The perimeter of the data center is secured with firewalls and IPS systems. What is the best security policy concerning this setup?

Options:

A.

Network elements must be hardened with user ids and strong passwords. Regular security tests and audits should be performed.

B.

As long as the physical access to the network elements is restricted, there is no need for additional measures.

C.

There is no need for specific security measures on the network elements as long as firewalls and IPS systems exist.

D.

The operator knows that attacks and down time are inevitable and should have a backup site.

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Questions 158

Which Intrusion Detection System is best applicable for large environments where critical assets on the network need extra security and is ideal for observing sensitive network segments?

Options:

A.

Network-based intrusion detection system (NIDS)

B.

Host-based intrusion detection system (HIDS)

C.

Firewalls

D.

Honeypots

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Questions 159

Which of the following is a characteristic of Public Key Infrastructure (PKI)?

Options:

A.

Public-key cryptosystems are faster than symmetric-key cryptosystems.

B.

Public-key cryptosystems distribute public-keys within digital signatures.

C.

Public-key cryptosystems do not require a secure key distribution channel.

D.

Public-key cryptosystems do not provide technical non-repudiation via digital signatures.

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Questions 160

Which vital role does the U.S. Computer Security Incident Response Team (CSIRT) provide?

Options:

A.

Incident response services to any user, company, government agency, or organization in partnership with the Department of Homeland Security

B.

Maintenance of the nation’s Internet infrastructure, builds out new Internet infrastructure, and decommissions old Internet infrastructure

C.

Registration of critical penetration testing for the Department of Homeland Security and public and private sectors

D.

Measurement of key vulnerability assessments on behalf of the Department of Defense (DOD) and State Department, as well as private sectors

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Questions 161

A computer technician is using a new version of a word processing software package when it is discovered that a special sequence of characters causes the entire computer to crash. The technician researches the bug and discovers that no one else experienced the problem. What is the appropriate next step?

Options:

A.

Ignore the problem completely and let someone else deal with it.

B.

Create a document that will crash the computer when opened and send it to friends.

C.

Find an underground bulletin board and attempt to sell the bug to the highest bidder.

D.

Notify the vendor of the bug and do not disclose it until the vendor gets a chance to issue a fix.

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Questions 162

Which NMAP feature can a tester implement or adjust while scanning for open ports to avoid detection by the network’s IDS?

Options:

A.

Timing options to slow the speed that the port scan is conducted

B.

Fingerprinting to identify which operating systems are running on the network

C.

ICMP ping sweep to determine which hosts on the network are not available

D.

Traceroute to control the path of the packets sent during the scan

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Questions 163

International Organization for Standardization (ISO) standard 27002 provides guidance for compliance by outlining

Options:

A.

guidelines and practices for security controls.

B.

financial soundness and business viability metrics.

C.

standard best practice for configuration management.

D.

contract agreement writing standards.

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Questions 164

Employees in a company are no longer able to access Internet web sites on their computers. The network administrator is able to successfully ping IP address of web servers on the Internet and is able to open web sites by using an IP address in place of the URL. The administrator runs the nslookup command for www.eccouncil.org and receives an error message stating there is no response from the server. What should the administrator do next?

Options:

A.

Configure the firewall to allow traffic on TCP ports 53 and UDP port 53.

B.

Configure the firewall to allow traffic on TCP ports 80 and UDP port 443.

C.

Configure the firewall to allow traffic on TCP port 53.

D.

Configure the firewall to allow traffic on TCP port 8080.

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Questions 165

A certified ethical hacker (CEH) is approached by a friend who believes her husband is cheating. She offers to pay to break into her husband ' s email account in order to find proof so she can take him to court. What is the ethical response?

Options:

A.

Say no; the friend is not the owner of the account.

B.

Say yes; the friend needs help to gather evidence.

C.

Say yes; do the job for free.

D.

Say no; make sure that the friend knows the risk she’s asking the CEH to take.

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Questions 166

Advanced encryption standard is an algorithm used for which of the following?

Options:

A.

Data integrity

B.

Key discovery

C.

Bulk data encryption

D.

Key recovery

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Questions 167

Which initial procedure should an ethical hacker perform after being brought into an organization?

Options:

A.

Begin security testing.

B.

Turn over deliverables.

C.

Sign a formal contract with non-disclosure.

D.

Assess what the organization is trying to protect.

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Questions 168

An attacker has captured a target file that is encrypted with public key cryptography. Which of the attacks below is likely to be used to crack the target file?

Options:

A.

Timing attack

B.

Replay attack

C.

Memory trade-off attack

D.

Chosen plain-text attack

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Questions 169

Which of the following is optimized for confidential communications, such as bidirectional voice and video?

Options:

A.

RC4

B.

RC5

C.

MD4

D.

MD5

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Questions 170

How can a policy help improve an employee ' s security awareness?

Options:

A.

By implementing written security procedures, enabling employee security training, and promoting the benefits of security

B.

By using informal networks of communication, establishing secret passing procedures, and immediately terminating employees

C.

By sharing security secrets with employees, enabling employees to share secrets, and establishing a consultative help line

D.

By decreasing an employee ' s vacation time, addressing ad-hoc employment clauses, and ensuring that managers know employee strengths

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Questions 171

If an e-commerce site was put into a live environment and the programmers failed to remove the secret entry point that was used during the application development, what is this secret entry point known as?

Options:

A.

SDLC process

B.

Honey pot

C.

SQL injection

D.

Trap door

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Questions 172

A Certificate Authority (CA) generates a key pair that will be used for encryption and decryption of email. The integrity of the encrypted email is dependent on the security of which of the following?

Options:

A.

Public key

B.

Private key

C.

Modulus length

D.

Email server certificate

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Questions 173

A consultant has been hired by the V.P. of a large financial organization to assess the company ' s security posture. During the security testing, the consultant comes across child pornography on the V.P. ' s computer. What is the consultant ' s obligation to the financial organization?

Options:

A.

Say nothing and continue with the security testing.

B.

Stop work immediately and contact the authorities.

C.

Delete the pornography, say nothing, and continue security testing.

D.

Bring the discovery to the financial organization ' s human resource department.

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Questions 174

Which of the following network attacks relies on sending an abnormally large packet size that exceeds TCP/IP specifications?

Options:

A.

Ping of death

B.

SYN flooding

C.

TCP hijacking

D.

Smurf attack

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Questions 175

Which of the following is a primary service of the U.S. Computer Security Incident Response Team (CSIRT)?

Options:

A.

CSIRT provides an incident response service to enable a reliable and trusted single point of contact for reporting computer security incidents worldwide.

B.

CSIRT provides a computer security surveillance service to supply a government with important intelligence information on individuals travelling abroad.

C.

CSIRT provides a penetration testing service to support exception reporting on incidents worldwide by individuals and multi-national corporations.

D.

CSIRT provides a vulnerability assessment service to assist law enforcement agencies with profiling an individual ' s property or company ' s asset.

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Questions 176

In the OSI model, where does PPTP encryption take place?

Options:

A.

Transport layer

B.

Application layer

C.

Data link layer

D.

Network layer

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Questions 177

When does the Payment Card Industry Data Security Standard (PCI-DSS) require organizations to perform external and internal penetration testing?

Options:

A.

At least once a year and after any significant upgrade or modification

B.

At least once every three years or after any significant upgrade or modification

C.

At least twice a year or after any significant upgrade or modification

D.

At least once every two years and after any significant upgrade or modification

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Questions 178

Which of the following is an advantage of utilizing security testing methodologies to conduct a security audit?

Options:

A.

They provide a repeatable framework.

B.

Anyone can run the command line scripts.

C.

They are available at low cost.

D.

They are subject to government regulation.

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Questions 179

Which element of Public Key Infrastructure (PKI) verifies the applicant?

Options:

A.

Certificate authority

B.

Validation authority

C.

Registration authority

D.

Verification authority

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Questions 180

Which of the following processes of PKI (Public Key Infrastructure) ensures that a trust relationship exists and that a certificate is still valid for specific operations?

Options:

A.

Certificate issuance

B.

Certificate validation

C.

Certificate cryptography

D.

Certificate revocation

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Questions 181

Which statement best describes a server type under an N-tier architecture?

Options:

A.

A group of servers at a specific layer

B.

A single server with a specific role

C.

A group of servers with a unique role

D.

A single server at a specific layer

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Questions 182

Which type of security document is written with specific step-by-step details?

Options:

A.

Process

B.

Procedure

C.

Policy

D.

Paradigm

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Questions 183

Which of the following tools would be the best choice for achieving compliance with PCI Requirement 11?

Options:

A.

Truecrypt

B.

Sub7

C.

Nessus

D.

Clamwin

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Questions 184

How do employers protect assets with security policies pertaining to employee surveillance activities?

Options:

A.

Employers promote monitoring activities of employees as long as the employees demonstrate trustworthiness.

B.

Employers use informal verbal communication channels to explain employee monitoring activities to employees.

C.

Employers use network surveillance to monitor employee email traffic, network access, and to record employee keystrokes.

D.

Employers provide employees written statements that clearly discuss the boundaries of monitoring activities and consequences.

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Questions 185

Which of the following is a common Service Oriented Architecture (SOA) vulnerability?

Options:

A.

Cross-site scripting

B.

SQL injection

C.

VPath injection

D.

XML denial of service issues

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Questions 186

Which of the following ensures that updates to policies, procedures, and configurations are made in a controlled and documented fashion?

Options:

A.

Regulatory compliance

B.

Peer review

C.

Change management

D.

Penetration testing

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Questions 187

When setting up a wireless network, an administrator enters a pre-shared key for security. Which of the following is true?

Options:

A.

The key entered is a symmetric key used to encrypt the wireless data.

B.

The key entered is a hash that is used to prove the integrity of the wireless data.

C.

The key entered is based on the Diffie-Hellman method.

D.

The key is an RSA key used to encrypt the wireless data.

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Questions 188

An IT security engineer notices that the company’s web server is currently being hacked. What should the engineer do next?

Options:

A.

Unplug the network connection on the company’s web server.

B.

Determine the origin of the attack and launch a counterattack.

C.

Record as much information as possible from the attack.

D.

Perform a system restart on the company’s web server.

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Questions 189

Some passwords are stored using specialized encryption algorithms known as hashes. Why is this an appropriate method?

Options:

A.

It is impossible to crack hashed user passwords unless the key used to encrypt them is obtained.

B.

If a user forgets the password, it can be easily retrieved using the hash key stored by administrators.

C.

Hashing is faster compared to more traditional encryption algorithms.

D.

Passwords stored using hashes are non-reversible, making finding the password much more difficult.

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Questions 190

Which security strategy requires using several, varying methods to protect IT systems against attacks?

Options:

A.

Defense in depth

B.

Three-way handshake

C.

Covert channels

D.

Exponential backoff algorithm

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Questions 191

You ' ve gained physical access to a Windows 2008 R2 server which has an accessible disc drive. When you attempt to boot the server and log in, you are unable to guess the password. In your tool kit you have an Ubuntu 9.10 Linux LiveCD. Which Linux based tool has the ability to change any user ' s password or to activate disabled Windows accounts?

Options:

A.

CHNTPW

B.

Cain & Abel

C.

SET

D.

John the Ripper

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Questions 192

You have several plain-text firewall logs that you must review to evaluate network traffic. You know that in order to do fast, efficient searches of the logs you must use regular expressions.

Which command-line utility are you most likely to use?

Options:

A.

Grep

B.

Notepad

C.

MS Excel

D.

Relational Database

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Questions 193

You are logged in as a local admin on a Windows 7 system and you need to launch the Computer Management Console from command line.

Which command would you use?

Options:

A.

c:\compmgmt.msc

B.

c:\services.msc

C.

c:\ncpa.cp

D.

c:\gpedit

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Questions 194

You have successfully comprised a server having an IP address of 10.10.0.5. You would like to enumerate all machines in the same network quickly.

What is the best nmap command you will use?

Options:

A.

nmap -T4 -F 10.10.0.0/24

B.

nmap -T4 -r 10.10.1.0/24

C.

nmap -T4 -O 10.10.0.0/24

D.

nmap -T4 -q 10.10.0.0/24

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Questions 195

You have compromised a server and successfully gained a root access. You want to pivot and pass traffic undetected over the network and evade any possible Intrusion Detection System.

What is the best approach?

Options:

A.

Install Cryptcat and encrypt outgoing packets from this server.

B.

Install and use Telnet to encrypt all outgoing traffic from this server.

C.

Use Alternate Data Streams to hide the outgoing packets from this server.

D.

Use HTTP so that all traffic can be routed via a browser, thus evading the internal Intrusion Detection Systems.

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Questions 196

This international organization regulates billions of transactions daily and provides security guidelines to protect personally identifiable information (PII). These security controls provide a baseline and prevent low-level hackers sometimes known as script kiddies from causing a data breach.

Which of the following organizations is being described?

Options:

A.

Payment Card Industry (PCI)

B.

Center for Disease Control (CDC)

C.

Institute of Electrical and Electronics Engineers (IEEE)

D.

International Security Industry Organization (ISIO)

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Questions 197

Perspective clients want to see sample reports from previous penetration tests.

What should you do next?

Options:

A.

Decline but, provide references.

B.

Share full reports, not redacted.

C.

Share full reports with redactions.

D.

Share reports, after NDA is signed.

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Questions 198

Your company performs penetration tests and security assessments for small and medium-sized business in the local area. During a routine security assessment, you discover information that suggests your client is involved with human trafficking.

What should you do?

Options:

A.

Immediately stop work and contact the proper legal authorities.

B.

Copy the data to removable media and keep it in case you need it.

C.

Confront the client in a respectful manner and ask her about the data.

D.

Ignore the data and continue the assessment until completed as agreed.

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Questions 199

During a recent security assessment, you discover the organization has one Domain Name Server (DNS) in a Demilitarized Zone (DMZ) and a second DNS server on the internal network.

What is this type of DNS configuration commonly called?

Options:

A.

Split DNS

B.

DNSSEC

C.

DynDNS

D.

DNS Scheme

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Questions 200

This asymmetry cipher is based on factoring the product of two large prime numbers.

What cipher is described above?

Options:

A.

RSA

B.

SHA

C.

RC5

D.

MD5

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Questions 201

It is a vulnerability in GNU ' s bash shell, discovered in September of 2014, that gives attackers access to run remote commands on a vulnerable system. The malicious software can take control of an infected machine, launch denial-of-service attacks to disrupt websites, and scan for other vulnerable devices (including routers).

Which of the following vulnerabilities is being described?

Options:

A.

Shellshock

B.

Rootshock

C.

Rootshell

D.

Shellbash

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Questions 202

What is a " Collision attack " in cryptography?

Options:

A.

Collision attacks try to find two inputs producing the same hash.

B.

Collision attacks try to break the hash into two parts, with the same bytes in each part to get the private key.

C.

Collision attacks try to get the public key.

D.

Collision attacks try to break the hash into three parts to get the plaintext value.

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Questions 203

The purpose of a __________ is to deny network access to local area networks and other information assets by unauthorized wireless devices.

Options:

A.

Wireless Intrusion Prevention System

B.

Wireless Access Point

C.

Wireless Access Control List

D.

Wireless Analyzer

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Questions 204

Nation-state threat actors often discover vulnerabilities and hold on to them until they want to launch a sophisticated attack. The Stuxnet attack was an unprecedented style of attack because it used four types of vulnerability.

What is this style of attack called?

Options:

A.

zero-day

B.

zero-hour

C.

zero-sum

D.

no-day

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Questions 205

You ' ve just been hired to perform a pen test on an organization that has been subjected to a large-scale attack. The CIO is concerned with mitigating threats and vulnerabilities to totally eliminate risk.

What is one of the first things you should do when given the job?

Options:

A.

Explain to the CIO that you cannot eliminate all risk, but you will be able to reduce risk to acceptable levels.

B.

Interview all employees in the company to rule out possible insider threats.

C.

Establish attribution to suspected attackers.

D.

Start the wireshark application to start sniffing network traffic.

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Questions 206

As a Certified Ethical Hacker, you were contracted by a private firm to conduct an external security assessment through penetration testing.

What document describes the specifics of the testing, the associated violations, and essentially protects both the organization ' s interest and your liabilities as a tester?

Options:

A.

Terms of Engagement

B.

Project Scope

C.

Non-Disclosure Agreement

D.

Service Level Agreement

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Questions 207

You are performing information gathering for an important penetration test. You have found pdf, doc, and images in your objective. You decide to extract metadata from these files and analyze it.

What tool will help you with the task?

Options:

A.

Metagoofil

B.

Armitage

C.

Dimitry

D.

cdpsnarf

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Questions 208

A hacker has successfully infected an internet-facing server which he will then use to send junk mail, take part in coordinated attacks, or host junk email content.

Which sort of trojan infects this server?

Options:

A.

Botnet Trojan

B.

Turtle Trojans

C.

Banking Trojans

D.

Ransomware Trojans

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Questions 209

The configuration allows a wired or wireless network interface controller to pass all traffic it receives to the central processing unit (CPU), rather than passing only the frames that the controller is intended to receive.

Which of the following is being described?

Options:

A.

promiscuous mode

B.

port forwarding

C.

multi-cast mode

D.

WEM

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Questions 210

You have successfully gained access to a linux server and would like to ensure that the succeeding outgoing traffic from this server will not be caught by a Network Based Intrusion Detection Systems (NIDS).

What is the best way to evade the NIDS?

Options:

A.

Encryption

B.

Protocol Isolation

C.

Alternate Data Streams

D.

Out of band signalling

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Questions 211

The Open Web Application Security Project (OWASP) is the worldwide not-for-profit charitable organization focused on improving the security of software. What item is the primary concern on OWASP ' s Top Ten Project Most Critical Web Application Security Risks?

Options:

A.

Injection

B.

Cross Site Scripting

C.

Cross Site Request Forgery

D.

Path disclosure

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Questions 212

After trying multiple exploits, you ' ve gained root access to a Centos 6 server. To ensure you maintain access, what would you do first?

Options:

A.

Create User Account

B.

Disable Key Services

C.

Disable IPTables

D.

Download and Install Netcat

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Questions 213

What is the benefit of performing an unannounced Penetration Testing?

Options:

A.

The tester will have an actual security posture visibility of the target network.

B.

Network security would be in a " best state " posture.

C.

It is best to catch critical infrastructure unpatched.

D.

The tester could not provide an honest analysis.

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Questions 214

Using Windows CMD, how would an attacker list all the shares to which the current user context has access?

Options:

A.

NET USE

B.

NET CONFIG

C.

NET FILE

D.

NET VIEW

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Questions 215

While using your bank’s online servicing you notice the following string in the URL bar: “http://www.MyPersonalBank.com/account?id=368940911028389 & Damount=10980 & Camount=21”

You observe that if you modify the Damount & Camount values and submit the request, that data on the web page reflect the changes.

Which type of vulnerability is present on this site?

Options:

A.

Web Parameter Tampering

B.

Cookie Tampering

C.

XSS Reflection

D.

SQL injection

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Questions 216

Port scanning can be used as part of a technical assessment to determine network vulnerabilities. The TCP XMAS scan is used to identify listening ports on the targeted system.

If a scanned port is open, what happens?

Options:

A.

The port will ignore the packets.

B.

The port will send an RST.

C.

The port will send an ACK.

D.

The port will send a SYN.

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Questions 217

The Heartbleed bug was discovered in 2014 and is widely referred to under MITRE’s Common Vulnerabilities and Exposures (CVE) as CVE-2014-0160. This bug affects the OpenSSL implementation of the transport layer security (TLS) protocols defined in RFC6520.

What type of key does this bug leave exposed to the Internet making exploitation of any compromised system very easy?

Options:

A.

Private

B.

Public

C.

Shared

D.

Root

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Questions 218

A hacker was able to sniff packets on a company ' s wireless network. The following information was discovered:

CPEH-001 Question 218

Using the Exlcusive OR, what was the original message?

Options:

A.

00101000 11101110

B.

11010111 00010001

C.

00001101 10100100

D.

11110010 01011011

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Questions 219

Which solution can be used to emulate computer services, such as mail and ftp, and to capture information related to logins or actions?

Options:

A.

Firewall

B.

Honeypot

C.

Core server

D.

Layer 4 switch

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Questions 220

What is the main advantage that a network-based IDS/IPS system has over a host-based solution?

Options:

A.

They do not use host system resources.

B.

They are placed at the boundary, allowing them to inspect all traffic.

C.

They are easier to install and configure.

D.

They will not interfere with user interfaces.

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Exam Code: CPEH-001
Exam Name: Certified Professional Ethical Hacker (CPEH)
Last Update: Apr 30, 2026
Questions: 736

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