AND-402 Android Security Essentials Questions and Answers

Availability, Portability, and Maintainability (APM)

Confidentiality, Integrity, and Availability (CIA)

Availability, Protection, and Integrity (API)

Granularity, Integrity, and Security (GIS)

Various Activity

Various services

Various Intents

Various Applications

They are used to share data between devices

They are used to share data between applications

They are used to share data between applications signed with same certificate

Data read by content providers are deleted when application closes.

miles

meters

kilo meters

inches

Seven.

User Defined.

Four.

Depends of the Android OS version.

Activity

Service

Content Provider

broadcast Receivers

This is same as the version number of the application shown to the user

This must be an integer.

This must be a floating number

It must be incremented from the previous versionCode when releasing a new version of application.

Files are deleted when user presses “back” button to close the app

Files are deleted when user uninstalls the application from device

Files are deleted when user presses “Home” button of device

Files never get deleted from external memory

Shared preferences

Content providers

File storage in internal and external memory

All are correct

Custom permission

System Permission

Component permission

Special level kernel permissions

It represents logo for the application as whole.

It also represents default logo for the activities.

It must be set as a reference to a drawable resource containing the image.

If this attribute is not found, then the default logo (e.g ic_launcher) that exists in “drawable” folder is set as logo.

Only 1 is true

Only 2 is true

Both 1 & 2 are true

None are correct

By default it is private to the application that created it.

By default it is available for all applications on the same device.

It can be shared with other applications on same device

Both "By default it is private to the application that created it" and "It can be shared with other applications on same device" are correct.

FileBackupHelper

DatabaseBackupHelper

SharedPreferencesBackupHelper

MapBackupHelper

SQLiteOpenHelper.onCreate() is only called when database is created for the first time.

SQLiteOpenHelper.onCreate() is always called.

SQLiteOpenHelper.onCreate() is always called when user starts the application.

None are correct.

The value must be set as a reference to the string resource.

It can be a raw string.

The default value is same as the application name if not value is assigned to it.

Its length must be equal to that of application label.

seconds

Minutes

microseconds

milliseconds

Data

Money

Device

All choices are correct.

Application

Components

Application & Components

None are correct

They are visible only to the application that created it.

They are created at the following path /data/data/ < application-path > /cache/

They are created at the following path /data/ < application-path > /cache/

None are correct

Allows an application to access call logs.

Allows an application to monitor or abort outgoing calls.

Allows an application to record outgoing calls.

Allows an application to divert incoming calls.

Text files

Class objects

Primitive data types

All are correct

Application

Service provider

Hardware

Operating system

Data Security Standard

Payment card industry standard

ISO/IEC standard

EMV standard

getDrmRightsObject()

getConstraints()

getApplicationContext()

saveRights()

Only one permission can be added to any tag

If permission is required by all components of the application then it should be specified in application tag.

The permission in the component overrides the permission in the application tag.

The permission can only be included in application or manifest tags.

Requesting application were signed with same certificate as application which declared the permission.

Requesting application were signed with same certificate as Android device version number.

Requesting application were signed with same certificate as Android system image.

None are correct.

< provider >

< uses-library >

< instrumentation >

< service >

File can be stored on external memory.

File can be stored inside the internal memory of application.

File can be stored in cache folder that lies in internal memory of application.

All are correct