AAD Data Management & Storage

Question 1

Which Android component is primarily used for managing structured data within an app?

Accepted Answer

ContentProvider

Answer

A ContentProvider allows an app to manage and share structured data with other applications in a secure manner.

Question 2

Which class is used to store key-value pairs in Android?

Accepted Answer

SharedPreferences

Answer

SharedPreferences is a lightweight storage option used to store small amounts of key-value data persistently.

Question 3

Which database system is commonly used in Android for local data storage?

Accepted Answer

SQLite

Answer

SQLite is an embedded database that allows Android applications to store and manage structured data efficiently.

Question 4

Which method is used to insert data into an SQLite database in Android?

Accepted Answer

insert()

Answer

The insert() method of the SQLiteDatabase class is used to add new records to a database table.

Question 5

Which cloud-based solution is commonly used for real-time database synchronization in Android apps?

Accepted Answer

Firebase Realtime Database

Answer

Firebase Realtime Database provides cloud-based real-time data synchronization across multiple devices.

(AAD) Associate Android Developer Certification Practice Test