Android Studio - 25 - Retrofit for API Integration MCQ

Android Studio – 25 – Retrofit for API Integration

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1. What is Retrofit in Android?

A virtual reality device

A programming language

A library for making HTTP requests to web services

A type of emulator

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2. What is the primary purpose of using Retrofit in an Android app?

Making network requests to web services

Improving app performance

Enhancing app security and data encryption

Simplifying UI code and making it more readable

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3. Which HTTP methods can Retrofit be used to make requests?

Only GET and PUT

Only POST and DELETE

GET, POST, PUT, DELETE, and more

Only GET and POST

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4. How can you add Retrofit to an Android Studio project?

By dragging and dropping items into the project

By shaking the emulator's window

By using the "Add Retrofit" option

By adding it to the build.gradle file

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5. What is the purpose of a base URL in Retrofit?

To manage project files and folders

To specify the data access methods

To define the root URL for all API requests

To create user interfaces for the app

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6. How can you define a base URL in Retrofit?

By using the "Define Base URL" button

By adding it to the OkHttpClient

By shaking the emulator's window

By using the @BaseUrl annotation

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7. What is the primary purpose of defining a base URL in Retrofit?

To manage project files and folders

To create user interfaces for the app

To define the root URL for all API requests

To specify the data access methods

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8. How can you create an interface for defining API endpoints in Retrofit?

By dragging and dropping items into the project

By shaking the emulator's window

By adding it to the build.gradle file

By using the "Create API Interface" option

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9. What is the role of an interface in Retrofit?

To specify the data access methods

To manage project files and folders

To define the root URL for all API requests

To create user interfaces for the app

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10. How can you define a Retrofit service interface for an API endpoint?

By using the "Define Service Interface" button

By using the @Service annotation

By adding it to the OkHttpClient

By shaking the emulator's window

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11. What is the purpose of the @GET annotation in a Retrofit service interface?

To manage project files and folders

To create user interfaces for the app

To define the root URL for all API requests

To specify the HTTP method for the endpoint

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12. How can you define the relative URL for an API endpoint in Retrofit?

By adding it to the OkHttpClient

By using the "Define Relative URL" button

By specifying it in the @GET annotation

By shaking the emulator's window

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13. What is the primary purpose of defining a relative URL for an API endpoint in Retrofit?

To specify the HTTP method for the endpoint

To define the root URL for all API requests

To create user interfaces for the app

To specify the endpoint's path

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14. How can you pass parameters to an API endpoint in Retrofit?

By shaking the emulator's window

By adding them to the OkHttpClient

By using the "Pass Parameters" button

By adding them as method parameters

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15. What is the purpose of adding query parameters to a Retrofit API endpoint?

To create user interfaces for the app

To define the root URL for all API requests

To specify the HTTP method for the endpoint

To provide additional information for the request

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16. How can you specify the return type of a Retrofit API endpoint method?

By shaking the emulator's window

By adding it to the OkHttpClient

By using the "Define Return Type" button

By specifying it in the method signature

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17. What is the purpose of specifying the return type of a Retrofit API endpoint method?

To define the root URL for all API requests

To create user interfaces for the app

To indicate the expected response type

To specify the HTTP method for the endpoint

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18. How can you execute a Retrofit API request synchronously?

By running it on the UI thread

By adding a Callback to the request

By shaking the emulator's window

By using the "Execute Synchronously" button

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19. What is the recommended way to execute Retrofit API requests asynchronously?

By using the "Execute Synchronously" button

By using Callbacks or Coroutines

By running them on the UI thread

A virtual reality device

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20. What is the purpose of a Callback in Retrofit?

To define the root URL for all API requests

To handle the response of an API request

To specify the HTTP method for the endpoint

To create user interfaces for the app

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21. How can you handle errors in a Retrofit API request using a Callback?

By checking the response's status code

By using the "Handle Errors" button

By adding try-catch blocks to the code

By shaking the emulator's window

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22. What is the primary purpose of error handling in Retrofit?

To handle issues that may occur during API requests

To specify the HTTP method for the endpoint

To manage project files and folders

To create user interfaces for the app

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23. How can you add headers to a Retrofit API request?

By shaking the emulator's window

By adding them to the OkHttpClient

By specifying them in the @Headers annotation

By using the "Add Headers" button

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24. What is the purpose of adding headers to a Retrofit API request?

To define the root URL for all API requests

To create user interfaces for the app

To provide additional information for the request

To specify the HTTP method for the endpoint

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25. How can you log Retrofit API requests and responses for debugging purposes?

By adding log statements to the code

By using the "Log Requests and Responses" option

By specifying it in the OkHttpClient

By shaking the emulator's window

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26. What is the purpose of logging API requests and responses in Retrofit?

To help with debugging and troubleshooting

To create user interfaces for the app

To specify the HTTP method for the endpoint

To manage project files and folders

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27. How can you perform file uploads with Retrofit?

By specifying it in the @Multipart annotation

By adding files as method parameters

By using the "File Upload" option

By shaking the emulator's window

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28. What is the primary purpose of file uploads in Retrofit?

To upload files to a server

To manage project files and folders

To create user interfaces for the app

To specify the HTTP method for the endpoint

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Android Studio – 25 – Retrofit for API Integration MCQ