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1. 1. Which file is essential for WordPress to identify an ordinary child theme?

   Which file is essential for WordPress to identify an ordinary child theme?

   database.sql style.css with a valid theme header wp-config.php plugin.php
   Hint

   Separate presentation responsibilities from reusable site functionality.

2. 2. What does the WordPress main query represent?

   What does the WordPress main query represent?

   Only admin user searches Every SQL query during the request The database connection settings The primary content request resolved for the current page
   Hint

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

3. 3. What is a taxonomy term?

   What is a taxonomy term?

   One classification value inside a taxonomy A template file A post type A PHP constant
   Hint

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

4. 4. When should a custom taxonomy normally be registered?

   Choose the conventional WordPress lifecycle hook.

   When should a custom taxonomy normally be registered?

   admin_notices init delete_post wp_footer
   Hint

   It is the same common lifecycle point used for CPT registration.

5. 5. 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?

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

   There is a dedicated filter for the generated class list.

6. 6. After WordPress resolves the request, what does the template loader do?

   After WordPress resolves the request, what does the template loader do?

   Change the domain name Create a database Activate every inactive plugin Select and include the appropriate theme template
   Hint

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

7. 7. Why check the expected HTTP method in a form handler?

   Why check the expected HTTP method in a form handler?

   To grant capabilities To load the active theme To reject requests that do not follow the endpoint contract To escape output
   Hint

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

8. 8. What distinguishes an Editor from an Author?

   What distinguishes an Editor from an Author?

   An Editor cannot publish An Editor owns the database An Editor can manage and publish posts belonging to other users An Editor can edit wp-config.php
   Hint

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

9. 9. What does date_query filter by?

   What does date_query filter by?

   User birthdays Theme update dates Database creation date only Post date conditions
   Hint

   Identify the WordPress API responsibility before considering implementation details.

10. 10. What is a good use for a transient?

    What is a good use for a transient?

    A user password A required audit log Caching an expensive value that can be regenerated Permanent source-of-truth configuration
    Hint

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

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

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

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

    Administrators need a recoverable state.

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

    Why is a valid WordPress nonce not sufficient authorization?

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

    Intent and permission are separate questions.

13. 13. Why register post meta with register_post_meta() or register_meta()?

    Why register post meta with register_post_meta() or register_meta()?

    To disable revisions To replace update_post_meta() in every case To create a database table for each key To define schema, sanitization, authorization and REST visibility
    Hint

    Think schema and access rules.

14. 14. 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?

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

    The template hierarchy includes the post type slug.

15. 15. Are the parent and child theme functions.php files merged like CSS?

    Are the parent and child theme functions.php files merged like CSS?

    Yes; only the parent file runs No; the child file loads first and the parent file also loads No; the parent file is copied into the child Yes; only the child file runs
    Hint

    A child functions.php does not replace its parent counterpart.

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

    Which function registers a Custom Post Type?

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

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

17. 17. Which argument performs the ordinary WordPress text search?

    Which argument performs the ordinary WordPress text search?

    q search_text keyword_query s
    Hint

    Identify the WordPress API responsibility before considering implementation details.

18. 18. What do permalink rewrite rules help WordPress do?

    What do permalink rewrite rules help WordPress do?

    Map friendly request paths to WordPress query variables Compile theme CSS Create database backups Encrypt URLs
    Hint

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

19. 19. Which action is commonly used to register plugin administration menu pages?

    Which action is commonly used to register plugin administration menu pages?

    template_redirect wp_footer admin_menu the_content
    Hint

    Identify the WordPress API responsibility before considering implementation details.

20. 20. When is a real system scheduler preferable to traffic-driven WP-Cron?

    When is a real system scheduler preferable to traffic-driven WP-Cron?

    When execution timing and reliability are operationally important When no events exist When WordPress has one user Only for CSS generation
    Hint

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

21. 21. What normally belongs inside wp-content?

    What normally belongs inside wp-content?

    Themes, plugins, uploads and other site-specific content The MySQL server executable Only WordPress core classes DNS configuration
    Hint

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

22. 22. Which checks belong in a save_post metabox handler?

    Select all generally appropriate safeguards.

    Which checks belong in a save_post metabox handler?

    Verify the metabox nonce. Trust every value in $_POST because the request came from wp-admin. Handle or skip autosaves deliberately. Check the user capability for the post.
    Hint

    Consider request intent, autosaves, and authorization.

23. 23. What does get_posts() provide?

    What does get_posts() provide?

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

    Identify the WordPress API responsibility before considering implementation details.

24. 24. Which function returns the parent theme directory URL?

    Which function returns the parent theme directory URL?

    get_stylesheet_directory_uri() get_template_directory_uri() site_url() get_theme_file_path()
    Hint

    Separate presentation responsibilities from reusable site functionality.

25. 25. How should a plugin handle a missing required dependency?

    How should a plugin handle a missing required dependency?

    Fail safely and show an actionable administration notice Cause a public fatal error Edit the dependency Delete the site options
    Hint

    Identify the WordPress API responsibility before considering implementation details.

26. 26. What is register_activation_hook() used for?

    What is register_activation_hook() used for?

    Create an AJAX request Register a frontend action Load the theme header Register code to run when the plugin is activated
    Hint

    Identify the WordPress API responsibility before considering implementation details.

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

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

28. 28. How are callbacks with the same priority generally ordered?

    How are callbacks with the same priority generally ordered?

    Alphabetically Randomly By the order in which they were registered By plugin folder size
    Hint

    Identify the role of the WordPress function or extension point.

29. 29. What is the default hook priority when none is specified?

    What is the default hook priority when none is specified?

    0 10 1 100
    Hint

    Identify the role of the WordPress function or extension point.

30. 30. What does the supports argument define?

    What does the supports argument define?

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

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

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

    Which helper returns a standardized successful JSON response?

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

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

32. 32. When is wp_kses_post() appropriate?

    When is wp_kses_post() appropriate?

    When allowing only HTML permitted in normal post content When escaping a URL attribute When preparing SQL When hashing a password
    Hint

    It is an allow-list HTML filter.

33. 33. What is an attachment in WordPress?

    What is an attachment in WordPress?

    A user role An SQL foreign key constraint A PHP include statement A post-type record representing an uploaded media item
    Hint

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

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

    Which function sanitizes a lowercase machine-readable key?

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

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

35. 35. Who can normally view a private post?

    Who can normally view a private post?

    Authenticated users with the required capability Only search engines Every anonymous visitor No one including administrators
    Hint

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

36. 36. How should dynamic values be included in a custom SQL query with $wpdb?

    The query contains values supplied at runtime.

    How should dynamic values be included in a custom SQL query with $wpdb?

    Base64-encode every value before querying. Use $wpdb->prepare() with typed placeholders. Use esc_html() before concatenating the SQL. Concatenate the raw values after addslashes().
    Hint

    Do not concatenate untrusted values into the SQL string.

37. 37. Which task is most suitable for the shutdown hook?

    Which task is most suitable for the shutdown hook?

    Enqueueing a stylesheet Final lightweight cleanup or logging after the response lifecycle Changing template hierarchy Registering a post type
    Hint

    It is late in the request.

38. 38. Which hook is normally used for theme setup?

    Which hook is normally used for theme setup?

    plugins_loaded save_post after_setup_theme wp_ajax
    Hint

    Separate presentation responsibilities from reusable site functionality.

39. 39. What is a term?

    What is a term?

    One item inside a taxonomy A complete post type A user session A plugin file header
    Hint

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

40. 40. Why is a valid nonce not enough to authorize a change?

    Why is a valid nonce not enough to authorize a change?

    It does not prove the user has permission for the operation It contains no timestamp It cannot be used in forms It is always public
    Hint

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

41. 41. How do child and parent functions.php files behave?

    How do child and parent functions.php files behave?

    The child file completely replaces the parent file The child file loads first and the parent file also loads Only the parent file loads They are merged as text
    Hint

    Separate presentation responsibilities from reusable site functionality.

42. 42. What does check_admin_referer() help verify?

    What does check_admin_referer() help verify?

    A database query A user password hash An administration request nonce and expected action A theme stylesheet
    Hint

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

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

    Think of boolean logic between clauses.

44. 44. Which classic template commonly displays one blog post?

    Which classic template commonly displays one blog post?

    single.php search.php 404.php archive.php
    Hint

    Separate presentation responsibilities from reusable site functionality.

45. 45. What does settings_fields( $group ) print?

    What does settings_fields( $group ) print?

    Security and routing fields for the registered settings group The plugin stylesheet Every input control automatically The option values as JSON
    Hint

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

46. 46. In a REST endpoint, where should resource-specific authorization be enforced?

    In a REST endpoint, where should resource-specific authorization be enforced?

    In the route namespace Only in the JavaScript client In permission_callback In the response headers
    Hint

    The server must enforce authorization before the main callback.

47. 47. What does the_title() normally do inside The Loop?

    What does the_title() normally do inside The Loop?

    Changes the post status Prints the author password Displays the current post title Returns the site URL only
    Hint

    Identify the role of the WordPress function or extension point.

48. 48. What does tax_query filter by?

    What does tax_query filter by?

    HTTP headers User passwords Theme templates Taxonomy terms
    Hint

    Identify the WordPress API responsibility before considering implementation details.

49. 49. Why is init commonly used for rewrite-related registrations?

    Why is init commonly used for rewrite-related registrations?

    It automatically flushes rules It runs only once Post types and taxonomies must exist before rewrite parsing is finalized It runs after template output
    Hint

    Registration and flushing are different operations.

50. 50. What does the_permalink() output?

    What does the_permalink() output?

    The database table name The permalink URL for the current post The template filename The post title
    Hint

    Identify the role of the WordPress function or extension point.