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Free Practice Questions for the Android certified application developer AND-402 Exam (2026 Updated)

At Marks4sure, we are dedicated to providing IT professionals with the most accurate and reliable preparation materials for the Android AND-402 exam. To support your certification journey, we have made a selection of our premium 2026 Android certified application developer practice questions and answers available completely free. You can take this practice test as many times as you need. Every question includes a detailed, expertly verified explanation to ensure you fully grasp the core security concepts before test day.

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Questions 4

Which of the following are the three principles of data security?

Options:

A.

Availability, Portability, and Maintainability (APM)

B.

Confidentiality, Integrity, and Availability (CIA)

C.

Availability, Protection, and Integrity (API)

D.

Granularity, Integrity, and Security (GIS)

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Questions 5

Broadcast Intents is a mechanism which allows messages to be sent to

Options:

A.

Various Activity

B.

Various services

C.

Various Intents

D.

Various Applications

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Questions 6

Which of the following is correct about Content providers in Android?

Options:

A.

They are used to share data between devices

B.

They are used to share data between applications

C.

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

D.

Data read by content providers are deleted when application closes.

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Questions 7

What is the standard unit of distance value passed to requestUserUpdates() function to get location updates?

Options:

A.

miles

B.

meters

C.

kilo meters

D.

inches

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Questions 8

How many level of protection are there in Permission?

Options:

A.

Seven.

B.

User Defined.

C.

Four.

D.

Depends of the Android OS version.

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Questions 9

Which of the following is the only Android application component which interacts with user?

Options:

A.

Activity

B.

Service

C.

Content Provider

D.

broadcast Receivers

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Questions 10

Which of the following is NOT true about the versionCode attribute? (Choose two)

Options:

A.

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

B.

This must be an integer.

C.

This must be a floating number

D.

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

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Questions 11

What is the validity of the files created on external memory?

Options:

A.

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

B.

Files are deleted when user uninstalls the application from device

C.

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

D.

Files never get deleted from external memory

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Questions 12

Which of the following storage methods does Android offer to ensure secure data saving?

Options:

A.

Shared preferences

B.

Content providers

C.

File storage in internal and external memory

D.

All are correct

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Questions 13

Which of the following can be used to share a component among applications written by same author?

Options:

A.

Custom permission

B.

System Permission

C.

Component permission

D.

Special level kernel permissions

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Questions 14

Which of the following is NOT true about logo attribute of the < application > tag?

Options:

A.

It represents logo for the application as whole.

B.

It also represents default logo for the activities.

C.

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

D.

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

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Questions 15

Which of the below statement is true about Broadcast

1. Broadcast receiver decides which broadcast it will receive

2. Broadcast will decide which receiver can receive its broadcast

Options:

A.

Only 1 is true

B.

Only 2 is true

C.

Both 1 & 2 are true

D.

None are correct

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Questions 16

What is the visibility or accessibility level of the preference file created by application?

Options:

A.

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

B.

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

C.

It can be shared with other applications on same device

D.

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.

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Questions 17

Which of the following are helper classes provided by Android to backup data to Google server? (Choose two)

Options:

A.

FileBackupHelper

B.

DatabaseBackupHelper

C.

SharedPreferencesBackupHelper

D.

MapBackupHelper

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Questions 18

Which of the following is true about calling method getWritbleDatabase()?

Options:

A.

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

B.

SQLiteOpenHelper.onCreate() is always called.

C.

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

D.

None are correct.

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Questions 19

Which of the following is true about the “description” attribute in the application tag?

Options:

A.

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

B.

It can be a raw string.

C.

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

D.

Its length must be equal to that of application label.

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Questions 20

What is the standard unit of time value passed to requestUserUpdates() function to get location updates?

Options:

A.

seconds

B.

Minutes

C.

microseconds

D.

milliseconds

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Questions 21

Dangerous Permissions can cause real harm or damage to user’s Personal___________.

Options:

A.

Data

B.

Money

C.

Device

D.

All choices are correct.

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Questions 22

Which of the following is protected by component level permissions? (Choose two)

Options:

A.

Application

B.

Components

C.

Application & Components

D.

None are correct

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Questions 23

Which of the following is true about the cache files made by an application? (Choose two)

Options:

A.

They are visible only to the application that created it.

B.

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

C.

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

D.

None are correct

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Questions 24

Which of the following is correct about Android permission PROCESS_OUTGOING_CALLS? (Choose two)

Options:

A.

Allows an application to access call logs.

B.

Allows an application to monitor or abort outgoing calls.

C.

Allows an application to record outgoing calls.

D.

Allows an application to divert incoming calls.

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Questions 25

Which type of data can be stored using shared preferences?

Options:

A.

Text files

B.

Class objects

C.

Primitive data types

D.

All are correct

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Questions 26

An application can act as a root and cause escalation of services , if there is a fault in which of the following?

Options:

A.

Application

B.

Service provider

C.

Hardware

D.

Operating system

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Questions 27

Which of the following is the recommended standard to be followed in applications that process credit card numbers?

Options:

A.

Data Security Standard

B.

Payment card industry standard

C.

ISO/IEC standard

D.

EMV standard

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Questions 28

Which of the following methods can be used to extract licence information from rights object?

Options:

A.

getDrmRightsObject()

B.

getConstraints()

C.

getApplicationContext()

D.

saveRights()

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Questions 29

Which of the following is NOT true about setting the “permission” attribute to tags?

Options:

A.

Only one permission can be added to any tag

B.

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

C.

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

D.

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

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Questions 30

Signature Permissions are granted automatically if and only if?

Options:

A.

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

B.

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

C.

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

D.

None are correct.

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Questions 31

Which tag of the following cannot be placed inside the application tag?

Options:

A.

< provider >

B.

< uses-library >

C.

< instrumentation >

D.

< service >

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Questions 32

What are the options that Android offers to store a text file

Options:

A.

File can be stored on external memory.

B.

File can be stored inside the internal memory of application.

C.

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

D.

All are correct

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Exam Code: AND-402
Exam Name: Android Security Essentials
Last Update: Jul 29, 2026
Questions: 107

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