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</p> Signup and view all the answers

    Where can private data be stored on the device memory?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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