Drupal Technology & Digital Applications 4

Question 1

What is Drupal's 'Paragraphs' contributed module primarily used for?

Accepted Answer

Creating flexible, component-based content structures within a node

Answer

The Paragraphs module allows content editors to build pages from reusable, configurable content components (paragraphs) such as text blocks, image galleries, or CTAs.

Question 2

In Drupal, what does 'cache tags' invalidation allow?

Accepted Answer

Selectively clearing only the cached pages affected by a specific piece of content

Answer

Cache tags let Drupal track which cached responses depend on specific data, so when that data changes only the relevant cached pages are invalidated rather than the entire cache.

Question 3

Which Drupal module type would you implement to add a custom source plugin for the Migrate framework?

Accepted Answer

A custom module with a Plugin class in the MigrateSource plugin namespace

Answer

To add a custom migration source, you create a custom module with a PHP class annotated with `@MigrateSource` placed in the `Plugin/migrate/source/` directory.

Question 4

What is the purpose of Drupal's 'Media Library' module?

Accepted Answer

To provide a centralized, reusable asset management interface for media items

Answer

The Media Library module provides a UI for managing reusable media assets (images, videos, documents) that can be referenced across multiple pieces of content.

Question 5

In Drupal development, what does the 'hook_update_N()' function accomplish?

Accepted Answer

Runs one-time database schema or data migrations when a module is updated

Answer

Hook_update_N() functions contain update tasks run once during `drush updb` to perform database schema changes or data transformations when a module version increments.

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Drupal Technology & Digital Applications 4