Drupal Drupal Performance & Security

Question 1

Which Drupal core module caches fully rendered pages for anonymous users to reduce server load?

Accepted Answer

Internal Page Cache

Answer

Dynamic Page Cache

Answer

BigPipe

Answer

Render Cache

Question 2

What does Drupal's BigPipe module primarily accomplish?

Accepted Answer

Streams cacheable page parts immediately while lazy-loading uncacheable placeholders

Answer

Compresses CSS and JavaScript files into a single bundle

Answer

Caches all database queries in memory

Answer

Minifies HTML output before delivery

Question 3

What does enabling 'CSS Preprocessing' in Drupal's Performance settings do?

Accepted Answer

Combines multiple CSS files into fewer aggregated files to reduce HTTP requests

Answer

Minifies CSS by removing whitespace and comments

Answer

Converts CSS variables to static values for browser compatibility

Answer

Moves all CSS loading to the bottom of the page body

Question 4

What is the purpose of Drupal's cache tags system when integrating with a reverse proxy like Varnish?

Accepted Answer

Tags allow granular cache invalidation so only affected pages are purged when content changes

Answer

Tags restrict which users can access cached content

Answer

Tags identify which cache backend should store each cache entry

Answer

Tags set the time-to-live for cached entries in the proxy

Question 5

What does a cache max-age of 0 signify in Drupal's cacheability metadata?

Accepted Answer

The element is not cacheable and must always be rendered fresh

Answer

The element should be cached indefinitely

Answer

The element expires immediately after the first request

Answer

The element uses the site's default cache lifetime

Question 6

Which approach allows Drupal to store cache data in fast in-memory storage instead of the database?

Accepted Answer

Integrating contributed modules like Memcache or Redis Cache as alternate cache backends

Answer

Enabling the Entity Cache module from core

Answer

Using the Internal Page Cache with the 'memory' storage option

Answer

Configuring PHP's opcache to intercept Drupal cache reads

Question 7

What does enabling JavaScript aggregation in Drupal's Performance settings accomplish?

Accepted Answer

Combines multiple JS files into fewer files to reduce the number of HTTP requests

Answer

Defers all JavaScript execution until after the page is fully rendered

Answer

Minifies JavaScript by removing variable names and comments

Answer

Moves all script tags from the head to the page footer