Drupal Interview Questions and Answers in 2025 (100+ Q&A)

Drupal

Ques:- Explain what is render array in Drupal?

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Right Answer:
A render array in Drupal is a structured array that defines how content should be displayed on a page. It includes information about the content, its properties, and how it should be rendered, allowing for flexible and reusable output in themes and modules.

Drupal

Ques:- What is DRUSH in Drupal?

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Right Answer:
Drush is a command-line shell and scripting interface for Drupal that allows developers to manage Drupal sites more efficiently by executing various commands for tasks like site installation, updates, and maintenance.

Drupal

Ques:- what is the use of Ctools in Drupal?

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Right Answer:
Ctools (Chaos Tool Suite) in Drupal is a set of tools that helps developers create and manage reusable components, such as plugins, exportable configurations, and custom forms, making it easier to build and maintain complex sites.

Drupal

Ques:- What do PDO mean?

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Right Answer:
PDO stands for PHP Data Objects, which is a database access layer providing a uniform method of access to multiple databases in PHP.

Drupal

Ques:- What are the advantages of Drupal?

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Right Answer:
1. Flexibility and Customization: Drupal allows extensive customization through modules and themes.
2. Scalability: It can handle large amounts of content and high traffic.
3. Strong Community Support: A large community provides resources, modules, and support.
4. Security: Regular updates and a dedicated security team help maintain a secure environment.
5. Multilingual Support: Built-in features for creating multilingual websites.
6. Content Management: Advanced content management capabilities with user roles and permissions.
7. SEO-Friendly: Offers tools and features that enhance search engine optimization.

Drupal

Ques:- Add custom table to views drupal 7?

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Right Answer:
To add a custom table to Views in Drupal 7, you need to implement hook_views_data() in your custom module. Define the table and its fields in this hook, and then clear the cache. After that, the custom table will be available in the Views UI for you to create views.

Drupal

Ques:- Explain the menu system in drupal?

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Right Answer:
In Drupal, the menu system allows you to create and manage navigation links for your site. It consists of two main types of menus: primary menus, which are typically displayed in the header, and secondary menus, which can be placed in other regions. Menus can be built using custom links, content types, taxonomy terms, or views. Each menu item can have a title, a path (URL), and can be configured for visibility based on user roles or conditions. The menu system also supports hierarchical structures, allowing for parent-child relationships between menu items.

Drupal

Ques:- How can we modify the form validation of drupal?

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Right Answer:
To modify form validation in Drupal, you can implement the `hook_form_FORM_ID_alter()` function in a custom module. Inside this function, use the `#validate` property of the form array to add your custom validation functions. For example:

```php
function mymodule_form_FORM_ID_alter(&$form, &$form_state, $form_id) {
$form['#validate'][] = 'my_custom_validation_function';
}

function my_custom_validation_function($form, &$form_state) {
// Custom validation logic here.
}
```

Drupal

Ques:- How to customize my drupal syndicate feed icon?

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Drupal

Ques:- What is Drush – and how is Drush used?

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Drupal

Ques:- What is form rebuild?

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Drupal

Ques:- How to restrictd webservice only for particular client?

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Drupal

Ques:- How to enable clean urls in drupal ?

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Drupal

Ques:- How search works in drupal?

Asked In :- Acquia Inc.,

Drupal

Ques:- How can I add a new block in drupal?

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Drupal

Ques:- Have you worked on migration? Which module has been used for migration?

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Drupal

Ques:- Explain about webform module?

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Drupal

Ques:- How can I install a new theme in drupal?

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Drupal

Ques:- How we can achieve the multistep form using drupal form api?

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Drupal

Ques:- What is relationship in views?

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The Drupal category on takluu.com is designed for web developers, site administrators, and aspirants preparing for interviews involving Drupal content management system. Drupal is a powerful and flexible open-source CMS widely used for building complex and scalable websites.

This category includes questions on Drupal installation, theming, module development, site building, user roles and permissions, and security best practices. You’ll also find detailed explanations of Drupal’s architecture, hooks system, and database integration.

Interviewers often test candidates on custom module creation, configuration management, views, and how Drupal handles scalability and performance optimization. Understanding Drupal’s core concepts and hands-on experience is crucial to crack technical interviews in organizations that rely on this platform.

Whether you’re new to Drupal or have prior experience, this section provides well-structured content with real-world examples and problem-solving tips. It also covers differences between Drupal and other CMS platforms like WordPress and Joomla.

At Takluu, we regularly update the Drupal category with the latest versions, security updates, and development trends to keep you well-prepared for your career growth.

Questions in: Drupal

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