Quiz - REST API and Background Processing

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Question 1 of 30

1. Question
What triggers WP_Cron to execute scheduled tasks?
- User visits
- Server load
- Manual intervention
- Time-based triggers
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Question 2 of 30

2. Question
Which scheduling library was developed by the WooCommerce team?
- WP_Cron
- Task Scheduler
- Action Scheduler
- WP CLI
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Question 3 of 30

3. Question
What is the main advantage of using Action Scheduler over WP_Cron?
- Lower system requirements
- Improved reliability and performance
- Better compatibility with themes
- Simpler installation and setup
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Question 4 of 30

4. Question
How can you create custom cron intervals in WP_Cron?
- We can't create custom intervals
- By editing the .htaccess file
- By modifying the wp-config.php file
- By using the 'cron_schedules' filter
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Question 5 of 30

5. Question
Which command can be used to list scheduled tasks with WP CLI?
- wp cron list
- wp cron event list
- wp action-scheduler list
- wp scheduled-tasks list
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Question 6 of 30

6. Question
How can you optimize WP_Cron for better performance?
- By increasing the number of tasks
- By disabling all plugins
- By offloading tasks to external services
- By installing a caching plugin
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Question 7 of 30

7. Question
Which WP CLI command can be used to run a WP_Cron task manually?
- wp cron execute
- wp cron run
- wp cron trigger
- wp cron event run
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Question 8 of 30

8. Question
How can you unschedule a custom event in WP_Cron using WP CLI?
- wp cron event unschedule
- wp cron event delete
- wp cron unschedule event
- wp cron event remove
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Question 9 of 30

9. Question
What is the main advantage of using server-side cron over WP_Cron?
- It does not require any coding
- It is specific to WordPress
- It relies on time-based triggers, ensuring tasks run on schedule
- It has a more user-friendly interface
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Question 10 of 30

10. Question
How can you disable WP_Cron to use a server-side cron job instead?
- By using the 'disable_wp_cron' filter
- By modifying the wp-config.php file
- By editing the .htaccess file
- By using the 'remove_action' function
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Question 11 of 30

11. Question
How can you register a custom action with Action Scheduler?
- By modifying the wp-config.php file
- By editing the .htaccess file
- By using the 'add_action' function
- By installing a third-party plugin
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Question 12 of 30

12. Question
How can WP CLI be used for background processing?
- For managing the scheduled tasks through CLI
- For automating scheduling tasks
- For automating background processing
- For remotely scheduling and managing tasks
- All of the above
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Question 13 of 30

13. Question
How can you unschedule a specific instance of a recurring action with Action Scheduler?
- as_unschedule_recurring_action()
- as_cancel_action()
- as_unschedule_action()
- as_delete_action()
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Question 14 of 30

14. Question
Which of the following is a benefit of using Action Scheduler over WP_Cron for background processing in WordPress?
- Asynchronous task processing
- No coding required
- Better compatibility with themes
- Lower system requirements
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Question 15 of 30

15. Question
Which of the following is a best practice when managing background processing tasks in WordPress?
- Scheduling tasks as frequently as possible
- Ignoring task performance metrics
- Disabling all plugins to improve performance
- Regularly monitoring and adjusting tasks
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Question 16 of 30

16. Question
What is a namespace in the context of the WordPress REST API?
- The first part of the URL for the endpoint.
- The last part of the URL for the endpoint.
- The vendor/package prefix used to prevent clashes between custom routes.
- Both A and C
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Question 17 of 30

17. Question
Which method is used by default by the custom endpoints in the WordPress REST API?
- POST
- PUT
- GET
- DELETE
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Question 18 of 30

18. Question
In which hook should register_rest_route be called to avoid doing extra work when the API isn’t loaded?
- rest_init
- wp_init
- rest_api_init
- init
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Question 19 of 30

19. Question
Can the REST API be disabled in WordPress?
- Yes, but it's not recommended.
- No, it can't be disabled.
- Yes, and it's recommended for security reasons.
- None of the above.
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Question 20 of 30

20. Question
How can you require authentication for all REST API requests?
- By adding an is_user_logged_out check to the rest_authentication_errors filter.
- By adding an is_user_logged_in check to the rest_authentication_errors filter.
- By adding an is_user_logged_in check to the rest_request_errors filter.
- By adding an is_user_logged_out check to the rest_request_errors filter.
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Question 21 of 30

21. Question
What does register_rest_field allow you to do?
- Register custom fields.
- Modify default endpoints.
- Add arbitrary fields to any REST API response.
- None of the above.
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Question 22 of 30

22. Question
Which HTTP methods can be allowed for each endpoint in a custom route?
- GET and POST
- GET, POST, and PUT
- GET, POST, PUT, and DELETE
- POST and PUT
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Question 23 of 30

23. Question
How can you make API requests from PHP within a WordPress plugin?
- Use the rest_do_request function
- Use the register_rest_field function
- Use the register_meta function
- Use the apply_filters function
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Question 24 of 30

24. Question
Which argument is used to add REST API support for a custom post type?
- rest_controller_class
- rest_base
- show_in_rest
- register_post_type_args
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Question 25 of 30

25. Question
Which HTTP status code is returned by the API if a WP_Error instance is returned by a callback function?
- 200 OK
- 401 Unauthorized
- 400 Bad Request
- 500 Internal Server Error
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Question 26 of 30

26. Question
What is the purpose of the Schema Reference in the WordPress REST API?
- To provide a list of available endpoints
- To document the structure and properties of the API responses
- To allow clients to discover and interact with the API
- To require authentication for all API requests
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Question 27 of 30

27. Question
What is the purpose of the Discovery API in the WordPress REST API?
- To allow clients to discover and interact with the API
- To provide a list of available endpoints
- To add custom fields to the responses for various object types
- To require authentication for all API requests
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Question 28 of 30

28. Question
What is the purpose of the Linking & Embedding feature in the WordPress REST API?
- To allow clients to add links to external resources in API responses
- To add custom fields to the responses for various object types
- To allow clients to embed related resources together in one response
- To disable the API
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Question 29 of 30

29. Question
What does the Controller Pattern achieve in the WordPress REST API?
- Standardize the naming and functionality of endpoints
- Make endpoints more complex and difficult to use
- Reduce the number of endpoints needed in the API
- Make the API faster
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Question 30 of 30

30. Question
Which pattern is a best practice for working with complex endpoints in the WordPress REST API?
- The model pattern
- The view pattern
- The template pattern
- The controller pattern
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Quiz – REST API and Background Processing

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