Android Developer Fundamentals V2: Lesson 9 Data Storage Quiz
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Questions and Answers

Where can private primitive data be stored in key-value pairs?

  • Internal Storage (correct)
  • SQLite Database
  • Content Providers
  • External Storage

In which storage option is the data available publicly?

  • SQLite Database
  • Shared Preferences
  • Internal Storage
  • External Storage (correct)

What is the main purpose of SQLite Databases in Android data storage?

  • Storing structured data in a private database (correct)
  • Storing private data on device memory
  • Storing private primitive data
  • Storing public data

Which storage option is used to store privately and make data available publicly?

<p>Content Providers (C)</p> Signup and view all the answers

Where can private data be stored on the device memory?

<p>Shared Preferences (D)</p> Signup and view all the answers

What is the primary purpose of Shared Preferences in Android data storage?

<p>Storing private primitive data (D)</p> Signup and view all the answers

Where can app and user data be backed up in the cloud?

<p>Firebase Realtime Database (C)</p> Signup and view all the answers

In which storage can only your app access files unless explicitly set to be readable or writable?

<p>Internal storage (C)</p> Signup and view all the answers

When is internal storage best to use?

<p>When you want to be sure that neither the user nor other apps can access your files (D)</p> Signup and view all the answers

Where should new files acquired through the app be saved for easy accessibility by other apps?

<p>Shared storage (D)</p> Signup and view all the answers

What does the system not remove on app uninstall in relation to external storage?

<p>Files private to app (A)</p> Signup and view all the answers

Which type of storage is world-readable, allowing any app to read its files?

<p>External storage (D)</p> Signup and view all the answers

Where does Android app store private data in key-value pairs?

<p>Shared Preferences (A)</p> Signup and view all the answers

Which type of storage allows any app to read its files?

<p>External Storage (B)</p> Signup and view all the answers

Where can an Android app store structured data in a private database?

<p>SQLite Database (A)</p> Signup and view all the answers

In which storage option can an Android app store public data on the device or external storage?

<p>External Storage (B)</p> Signup and view all the answers

Where should an Android app save new files acquired through the app for easy accessibility by other apps?

<p>External Storage (D)</p> Signup and view all the answers

What is the primary purpose of Internal Storage in Android data storage?

<p>To store private data on device memory (A)</p> Signup and view all the answers

Where can app and user data be backed up in the cloud?

<p>Cloud Backup (B)</p> Signup and view all the answers

In which storage can only your app access files unless explicitly set to be readable or writable?

<p>Internal storage (D)</p> Signup and view all the answers

Where can private primitive data be stored in key-value pairs?

<p>Shared Preferences (D)</p> Signup and view all the answers

What is the primary purpose of Shared Preferences in Android data storage?

<p>Storing private primitive data (D)</p> Signup and view all the answers

When should internal storage be used?

<p>When neither the user nor other apps should access the files (C)</p> Signup and view all the answers

What is the main purpose of SQLite Databases in Android data storage?

<p>Structured query language for managing databases (A)</p> Signup and view all the answers

Where can new files acquired through the app be saved for easy accessibility by other apps?

<p>External storage (D)</p> Signup and view all the answers

Which type of storage is world-readable, allowing any app to read its files?

<p>External storage (B)</p> Signup and view all the answers

What does the system not remove on app uninstall in relation to external storage?

<p>Files private to the app (D)</p> Signup and view all the answers

Where should new files acquired through the app be saved for easy accessibility by other apps?

<p>External storage (B)</p> Signup and view all the answers

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