Drupal Interview Questions

Welcome to the Drupal interview questions and answers blog! Content management systems (CMS) is a revolutionary software framework in web content management. A CMS platform is a centralized platform for managing digital content and supports organizations in planning, creating, publishing, modifying, collaborating, and storing digital content.

Drupal is one of the most famous & extensively used open-source content management systems (CMS) and offers a user-friendly interface to manage text, videos, images, etc. Moreover, drupal offers next-generation features for content authoring, excellent security, optimal performance, etc. 

To make things clear, we have designed this Drupal interview questions into three categories:
  • Drupal Basic Interview Questions
  • Drupal Advanced Interview Questions For Experienced
  • Drupal Developer Interview Question

This Drupal interview questions and answers blog has been designed to list commonly asked questions in any interview. We have covered all the basic to advanced Drupal 9 interview questions here. Let's dive into the blog:

Drupal Interview Questions And Answers

1) What is a Content Management System (CMS)?

A content management system is a framework or application that simplifies the process of digital content management. It becomes more accessible for users to create, publish, modify, and manage content without much technical knowledge. You can build a website without writing code from scratch.

2) Define Drupal?

Drupal is an open-source digital content management framework used by millions of websites and applications across the globe. Its highly flexible framework helps users build basic to complex applications and websites. Moreover, Drupal offers the latest themes and thousands of modules to develop & customize websites to attract new customers, engage existing ones, build community, spread brand awareness, etc.

Drupal offers an intuitive, user-friendly UI that simplifies your work to create, publish, modify, and manage digital content. It comes with in-built tools and content types to create and retrieve content and present it to users. It has features for user role classification and access control.

3) What is the Latest Version of Drupal?

Drupal constantly updates its framework to match evolving digital content management needs and develop new features. The latest Drupal version is Drupal 10.2.

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4) What makes Drupal a Powerful CMS?

Drupal is considered a robust CMS platform because of its scalable API architecture. It comes with advanced architecture scales as per the growing content management needs. Drupal framework contains advanced caching modules that enhance page load speed and high web performance in all situations.

5) Name the Drupal Key Features.

Drupal is far more advanced than many other CMS platforms because of its rich features. Following are some of the notable Drupal Features:

  • Security
  • High Performance
  • Scalability
  • Multilingual
  • Marketing Automation
  • Accessibility
  • Content Authoring
  • Personalization

6) Define PDO and its Use.

PDO is a short PHP Data Object, a database access medium. Moreover, it can be used by developers to write portable code.

7)  What is a Module in Drupal & Explain its Types?

Modules are plugins for a website and help extend the functionality of the website.  Drupal comes with 40,000+ built-in modules, and the following are some of the notable Drupal-supported modules:

  • Token
  • Views
  • Quicktabs
  • Ctools
  • Pathauto

8) What is Drupal Distribution, and Explain its Types?

Drupal distributions are premade bundles that contain all the tools and save time for a developer. These are complete Drupal copies and have Drupal core, themes, features, and installation profiles:

Following are the two types of Drupal Distributions:

  • Full Distributions
  • Partial or Other distributions

9) Why Drupal Distributions are used?

Drupal distributions are majorly used for the following purposes:

  • Demoing Drupal
  • Drupal Examination
  • For site binding
  • Learn & Explore Drupal

10) What are the five conceptual layers of Drupal?

Drupal has five conceptual layers, and they are listed below:

  1. Presentation Layer 
  2. Data Layer
  3. Module Layer
  4. Node Layer
  5. Field Layer

Drupal Interview Questions For Experienced

11) Define Drupal Node.

A Node is a piece of information stored on a website, and examples of a Node include a page, blog, article, poll, forum, etc. Nodes

12) What is a Block in Drupal?

Drupal Blocks are defined as an area that stores content and renders the content to a particular area of a webpage. These blocks can be static as well as dynamic. Examples of blocks include User Login, Who's Online, social sharing buttons, etc.

13) What is Drupal Taxonomy?

In Drupal, Taximoney is an approach used to classify website content. A simple example of understanding Taxonomy is Tags; Tags are used in a website to categorize blogs on a website. It can also be useful when displaying a set of sections with different themes as needed.

14) What is Drupal Module?

The Drupal “Module” is a group of files containing a specific functionality, and this functionality is written in PHP.  A Module can access all the function variables of a Drupal core. 

15) Hook System in Drupal? 

Drupal Hooks are a roadmap for modules to interact with the core code.

16) What is DRUSH?

Drush is a command line interface for executing scripting tasks in Drupal. It acts as a collaboration platform for developers and DevOps teams and streamlines the process of integrating CI/CD pipelines.

17) What database does Drupal use?

Drupal uses MySQL database; apart from this, it can also support databases like PostgreSQL and SQLite.

18) Name a few SEO modules available in Drupal.

Following are the SEO modules available in Drupal:

  • Site map
  • Meta tags
  • Google Analytics
  • Service Links
  • Pathauto
  • Search 404
  • Related Links
  • Url list

Drupal Developer Interview Questions And Answers

19) Define the sub-theme concept in Drupal.

Drupal sub-theme is derived from a central theme or a prant theme. Generally, a sub-theme can be created when you wish to have a modified version of the Main article. For Instance, you can add functionality to a sub-theme or change it per your requirement.

All Sub-themes are inherited from the main theme, and all the central theme's resources (HTML, CSS, Javascript) are used. You can build any subthemes per your requirements, and a subtheme could be a child of any subtheme. 

20) What is the use of Chaos Tool Suite

Drupal Chaos Tool Suite is also called Ctools, a suite of APIs. It supports the developers with ready-made code and simplifies developer work when creating libraries for the following modules. In some way, many other modules depend on Ctools to execute their work.

21) Name the Tools Provided by CTools.

Following is the list of tools provided by Ctools:

  • Plugins
  • Exportables
  • AJAX Responder
  • Forum Tools
  • Object Caching
  • Contexts
  • Modal Dialog
  • Dependent
  • Content
  • Form Wizard
  • CSS Tools

22)  What do you know about Drupal Cron?

Drupal Corn is a scheduler designed to execute a task at specified intervals. The schedules are called “Corn Jobs,” they are action-based triggers performed by a website hosting server, user desktop, or a remote server.

23) How Can You Run Cron in Drupal?

Following are the ways and either of them you can use to run Corn:

  • Admin UI
  • Secret key
  • Drush
  • Drupal Console

24)What is the use of Ajax in Drupal?

Ajax in Drupal can be helpful in many ways, which includes updating a part of a webpage without reloading, displaying results without page reloading, updating a block of content without page reloading, etc.

25) What are the different ways to Interact with Drupal search systems?

You can interact with Drupal search systems using either of the following:

  • hook_search()
  • Nodeapi
  • Hook_update_index()

26) Define the Views Module in Drupal.

In the Drupal Views module, fetch user-requested content from the database and display it to the users. This content includes posts, lists, maps, tables, galleries, blocks, menu items,  reports, forum posts, etc. 

27) What is the use of Hooks?

Hooks in Drupal are used to implement custom functionality without disturbing the core code of Drupal.


With this, we have come to the end of the Drupal interview questions and answers. The questions furnished in this blog are commonly asked in any Drupal interview. This blog will be frequently updated with the latest questions; stay tuned!

By Tech Solidity

Last updated on June 4, 2024