AND-402 Android Security Essentials Questions and Answers

Data

Money

Device

All choices are correct.

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

Backend servers.

Mobile devices.

SD Cards.

Third party applications.

Cache file can only be created in internal memory

By using getCacheDir()method

By using getExternalStorageDirectory()method

Both options "By using getCacheDir()method" and "By using getExternalStorageDirectory()method" are correct.

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.

Content server

Rights server.

DRM agent.

Switching device.

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.

Using keyword “extends”.

Creating custom permissions in manifest file.

Permissions cannot be extended.

None are correct.

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 aslogo.

A reference to a style resource is set through it.

It can be placed inside manifest tag.

It can be placed inside application tag.

It can be placed inside activity tag.

SD card

Applications

Android Device

Operating System

SQLiteDatabase.query()

SQLiteQueryBuilder

SQLiteOpenHelper

Both "SQLiteDatabase.query()" and "SQLiteQueryBuilder" are correct.

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.