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1. 1. Should a child theme always assume WordPress automatically loads the parent stylesheet?

   Should a child theme always assume WordPress automatically loads the parent stylesheet?

   Only for block themes No, loading behavior depends on the themes and assets should be enqueued intentionally Only when JavaScript is disabled Yes, in every theme
   Hint

   Separate presentation responsibilities from reusable site functionality.

2. 2. What does relation control in a WP_Query meta_query?

   The query contains more than one metadata condition.

   What does relation control in a WP_Query meta_query?

   The post type rewrite slug. Whether the metadata clauses are combined with AND or OR logic. The SQL table prefix used by the query. The number of posts returned per page.
   Hint

   Think of boolean logic between clauses.

3. 3. Why use plugin path and URL helper functions rather than hard-coded installation paths?

   Why use plugin path and URL helper functions rather than hard-coded installation paths?

   PHP cannot read strings WordPress installations and directories can vary Plugins run only on localhost URLs are always secret
   Hint

   Identify the WordPress API responsibility before considering implementation details.

4. 4. When is a taxonomy usually preferable to plain metadata?

   When is a taxonomy usually preferable to plain metadata?

   When values are reusable classifications users browse or filter by When storing one private API token When the value has no shared meaning When storing an arbitrary serialized cache
   Hint

   Identify the data-model or security responsibility before choosing the API.

5. 5. Why should a theme enqueue styles and scripts?

   Why should a theme enqueue styles and scripts?

   WordPress can manage dependencies, versions and correct placement It makes every asset private It stores assets in the database It replaces the template hierarchy
   Hint

   Separate presentation responsibilities from reusable site functionality.

6. 6. How can a child stylesheet reliably load after a parent stylesheet?

   How can a child stylesheet reliably load after a parent stylesheet?

   Put CSS in wp-config.php Use a larger filename Declare the parent style handle as a dependency Add !important to every rule
   Hint

   Separate presentation responsibilities from reusable site functionality.

7. 7. What does update_option() do when an option does not exist?

   What does update_option() do when an option does not exist?

   It creates a post It silently discards the value It adds the option It throws an exception
   Hint

   Consider lifecycle, authorization, failure and long-term maintenance.

8. 8. What does post_class() help add?

   What does post_class() help add?

   A PHP class file User capabilities Database indexes Contextual CSS classes to a post container
   Hint

   Identify the role of the WordPress function or extension point.

9. 9. What is the plugin main file?

   What is the plugin main file?

   The active theme index.php wp-config.php The PHP file containing the identifying plugin header and bootstrap code The largest PHP file
   Hint

   Identify the WordPress API responsibility before considering implementation details.

10. 10. Which helper returns a standardized successful JSON response?

    Which helper returns a standardized successful JSON response?

    rest_ensure_response() only wp_send_json_success() wp_die_success() echo_json_ok()
    Hint

    Consider lifecycle, authorization, failure and long-term maintenance.

11. 11. Which argument filters by publication status?

    Which argument filters by publication status?

    status_where visibility post_status published
    Hint

    Identify the WordPress API responsibility before considering implementation details.

12. 12. Which callback runs first on the same hook?

    Which callback runs first on the same hook?

    The newest plugin always The callback with the longest name The callback with the lower numeric priority The callback in the largest file
    Hint

    Identify the role of the WordPress function or extension point.

13. 13. Why can an inline anonymous hook callback be difficult to remove later?

    Why can an inline anonymous hook callback be difficult to remove later?

    Removal requires the same callback identity and priority It has no priority Anonymous functions cannot run WordPress converts it to HTML
    Hint

    Identify the role of the WordPress function or extension point.

14. 14. What does the third get_post_meta() argument control?

    What does the third get_post_meta() argument control?

    Whether to escape HTML Whether to delete the key Whether to return one value instead of an array of values Whether to publish the post
    Hint

    Identify the data-model or security responsibility before choosing the API.

15. 15. What are the two main kinds of WordPress hooks?

    What are the two main kinds of WordPress hooks?

    GET and POST Themes and plugins Actions and filters Posts and pages
    Hint

    Identify the role of the WordPress function or extension point.

16. 16. Which hook handles authenticated AJAX action save_note?

    Which hook handles authenticated AJAX action save_note?

    ajax_save_note admin_post_ajax_save_note wp_rest_save_note wp_ajax_save_note
    Hint

    Consider lifecycle, authorization, failure and long-term maintenance.

17. 17. Why return WP_REST_Response?

    Why return WP_REST_Response?

    To bypass permissions To render a theme template To control response data, status, headers and links To create a nonce
    Hint

    Consider lifecycle, authorization, failure and long-term maintenance.

18. 18. What does CMS mean?

    What does CMS mean?

    Computer Markup Standard Content Management System Content Memory Storage Code Migration Service
    Hint

    Start with the everyday meaning of the WordPress term.

19. 19. What header commonly carries the REST nonce for cookie-authenticated requests?

    What header commonly carries the REST nonce for cookie-authenticated requests?

    Cookie-Nonce-Only X-WP-Nonce X-Plugin-Password Authorization-Theme
    Hint

    Consider lifecycle, authorization, failure and long-term maintenance.

20. 20. How should a theme add a contextual CSS class to the body element?

    How should a theme add a contextual CSS class to the body element?

    Filter body_class Print a second body attribute Modify the database option directly Edit WordPress core
    Hint

    There is a dedicated filter for the generated class list.

21. 21. Why should a post-type key be short, stable and uniquely prefixed?

    Why should a post-type key be short, stable and uniquely prefixed?

    It is displayed as every post title It controls PHP memory It stores the database password It becomes a persistent programmatic identifier and must avoid collisions
    Hint

    Identify the data-model or security responsibility before choosing the API.

22. 22. Why keep a stored plugin data version?

    Why keep a stored plugin data version?

    To run idempotent migrations when the schema or defaults evolve To clear every option daily To replace the plugin header To disable updates
    Hint

    Consider lifecycle, authorization, failure and long-term maintenance.

23. 23. Why should a developer avoid editing WordPress core files?

    Why should a developer avoid editing WordPress core files?

    The database rejects edited files Themes stop loading permanently Updates overwrite changes and core modifications are difficult to maintain securely Core files cannot contain PHP
    Hint

    Place the concept in the WordPress request, content, or permission model.

24. 24. What is the essential difference between a WordPress action and a filter?

    Choose the statement that correctly describes the contract expected by WordPress.

    What is the essential difference between a WordPress action and a filter?

    An action performs a task; a filter modifies and returns a value. Filters work only inside themes. There is no functional difference between them. An action must always return a value; a filter returns nothing.
    Hint

    Ask yourself whether the received value must continue through the execution chain.

25. 25. What makes a PHP file discoverable as a WordPress plugin?

    What makes a PHP file discoverable as a WordPress plugin?

    A namespace beginning with WordPress A plugin.json file A valid Plugin Name header comment A class named Plugin
    Hint

    Look at how the Plugins screen discovers files.

26. 26. Which function sanitizes a lowercase machine-readable key?

    Which function sanitizes a lowercase machine-readable key?

    sanitize_key() sanitize_textarea_field() esc_js() wpautop()
    Hint

    Identify the data-model or security responsibility before choosing the API.

27. 27. What is an action used for?

    What is an action used for?

    Creating a CSS selector Defining a database key Running behavior at a particular event or lifecycle point Returning a transformed value as its main contract
    Hint

    Identify the role of the WordPress function or extension point.

28. 28. Which built-in taxonomy is hierarchical by default?

    Which built-in taxonomy is hierarchical by default?

    Attachment status Category Post tag Post format only
    Hint

    Place the concept in the WordPress request, content, or permission model.

29. 29. Which template is the most specific conventional file for a single book CPT entry?

    The registered post type slug is book.

    Which template is the most specific conventional file for a single book CPT entry?

    taxonomy-book.php single-book.php page-book.php archive-book.php
    Hint

    The template hierarchy includes the post type slug.

30. 30. What is a plugin text domain used for?

    What is a plugin text domain used for?

    Authorizing users Associating translatable strings with the plugin translation catalogue Creating database tables Registering routes
    Hint

    Identify the WordPress API responsibility before considering implementation details.

31. 31. What does get_posts() provide?

    What does get_posts() provide?

    A user authentication API A replacement database A convenient wrapper for retrieving a simple collection of posts An HTML template loader
    Hint

    Identify the WordPress API responsibility before considering implementation details.

32. 32. Which function registers a Custom Post Type?

    Which function registers a Custom Post Type?

    create_content_table() register_post_type() wp_insert_type() add_post_type()
    Hint

    Identify the data-model or security responsibility before choosing the API.

33. 33. What is WordPress?

    What is WordPress?

    A programming language A web browser A content management system A database engine
    Hint

    Start with the everyday meaning of the WordPress term.

34. 34. Inside a shared callback, which function identifies the hook currently being processed?

    Inside a shared callback, which function identifies the hook currently being processed?

    did_action() doing_filter() only current_filter() get_current_hook()
    Hint

    Useful when one callback handles several hooks.

35. 35. Which core file establishes many WordPress constants and loads early bootstrap components?

    Which core file establishes many WordPress constants and loads early bootstrap components?

    wp-load.php sidebar.php readme.html comments.php
    Hint

    Place the concept in the WordPress request, content, or permission model.

36. 36. Which function should authorize whether the current user may perform a WordPress operation?

    Choose the function intended for capability checks.

    Which function should authorize whether the current user may perform a WordPress operation?

    wp_verify_nonce() alone get_bloginfo() is_admin() current_user_can()
    Hint

    Roles group capabilities, but code should generally check the required capability.

37. 37. How should a plugin react when a required dependency is unavailable?

    How should a plugin react when a required dependency is unavailable?

    Fail gracefully and show an actionable admin notice Trigger a frontend fatal error Edit the dependency files Silently corrupt its options
    Hint

    Administrators need a recoverable state.

38. 38. Why is a valid WordPress nonce not sufficient authorization?

    Why is a valid WordPress nonce not sufficient authorization?

    A nonce verifies intent and request origin, not the user capability Nonces work only for administrators Nonces contain the user password A nonce sanitizes submitted data
    Hint

    Intent and permission are separate questions.

39. 39. What does the supports argument define?

    What does the supports argument define?

    Supported PHP versions Database indexes Allowed HTTP methods Editor features such as title, editor, thumbnail or revisions
    Hint

    Identify the data-model or security responsibility before choosing the API.

40. 40. What is a Custom Post Type?

    What is a Custom Post Type?

    A user role A PHP scalar type A custom database server A developer-registered kind of WordPress content
    Hint

    Identify the data-model or security responsibility before choosing the API.

41. 41. Why can a WP-Cron event run later than scheduled?

    Why can a WP-Cron event run later than scheduled?

    Cron events run only in wp-admin WP-Cron is normally triggered by site requests WordPress uses browser time PHP cannot read timestamps
    Hint

    Consider lifecycle, authorization, failure and long-term maintenance.

42. 42. What does a WordPress nonce primarily verify?

    What does a WordPress nonce primarily verify?

    That input is valid That SQL is prepared That a user has every capability Request intent and origin within a time window
    Hint

    Identify the data-model or security responsibility before choosing the API.

43. 43. What does get_template_directory() return when a child theme is active?

    What does get_template_directory() return when a child theme is active?

    The uploads directory The parent theme directory The plugin directory The child theme directory
    Hint

    Separate presentation responsibilities from reusable site functionality.

44. 44. What is the broad responsibility of wp-settings.php?

    What is the broad responsibility of wp-settings.php?

    Render only the login form Initialize the WordPress environment, core components, plugins and theme setup Process image uploads only Store permalink rules
    Hint

    Place the concept in the WordPress request, content, or permission model.

45. 45. Which order best describes a secure form handler?

    Which order best describes a secure form handler?

    Escape SQL, activate plugin, redirect Authorize from JavaScript only Store first, then check permission Confirm request, verify nonce, authorize, validate/sanitize, store, redirect, escape later output
    Hint

    Identify the data-model or security responsibility before choosing the API.

46. 46. Where should plugin configuration usually be managed?

    Where should plugin configuration usually be managed?

    Inside public JavaScript secrets By asking users to edit core Through an authorized settings interface and WordPress APIs In post titles
    Hint

    Identify the WordPress API responsibility before considering implementation details.

47. 47. What should a setting sanitization callback return?

    What should a setting sanitization callback return?

    The database password The validated and normalized value to store A capability name only HTML output
    Hint

    Consider lifecycle, authorization, failure and long-term maintenance.

48. 48. What does get_sidebar() normally load?

    What does get_sidebar() normally load?

    A sidebar template A SQL column The browser history The admin menu
    Hint

    Separate presentation responsibilities from reusable site functionality.

49. 49. Why do plugin PHP files often begin with an ABSPATH guard?

    Why do plugin PHP files often begin with an ABSPATH guard?

    To create rewrite rules To activate the plugin To stop direct execution outside WordPress To load translations
    Hint

    ABSPATH is defined by WordPress.

50. 50. Which request value selects a traditional AJAX handler?

    Which request value selects a traditional AJAX handler?

    hook_priority callback action route
    Hint

    Consider lifecycle, authorization, failure and long-term maintenance.