Top 25+ Magento Interview Questions & Answers

List of common Magento Interview Questions and Answers in 2021, how to answer smart interviews to score employers, share interview experiences and tips to help you pass the interview

Stepping through the excellent CV filter round, you continue to come to a very important round, which is the interview round. It can be considered that the interview round will determine whether you are selected to work or not. The question is how do you best answer interview questions of employers? Don’t worry, with our series of Magento Interview Questions & Answers on how to answer job interviews, we will help you equip yourself with the best knowledge, conquering any difficult employers. As long as you focus on reading all these questions, the interview will no longer be too scary for you.

Let’s start!

Question 1. What is Magento?

Magento is an open-source e-commerce platform that helps companies run and manage their e-commerce websites most optimally. It was first released by Varien Inc in 2008, before being sold to eBay and eventually being spun off into another version. That is Magento 2. Magento 2 version was launched in November 2015 and in this version, it has been perfected and added powerful functions for websites.

Question 2. Is Magento Worth Investing In?

Businesses benefit from a variety of platforms. Magento, as well. It provides merchants with a high level of control and flexibility, allowing them to easily manage their e-commerce site. It will make operating an e-commerce site easier for you than other platforms due to its user-friendly interface and robust functions.

Some features also aid in the improvement of your website’s Google ranking. It not only provides customers with a pleasant browsing experience on your user-friendly website, but it also considerably increases your revenue.

Question 3. What is MVC Architecture?

Model-View-Controller (MVC) is a well-known architecture on the market today. It is divided into 3 parts: Model, View, and Controller. The model will handle the data and logic behind running an application. The view is a lot of what you see on the application’s interface, and it also lets you display whatever you want. Depending on the user’s needs, the Controller will pass or issue commands to the view and model.

Convention-based and configuration-based MVC are the two types of MVC currently available. Magento has been using a configuration-based version up until now. To work with the website, you’ll also need a module configuration file.

Question 4. How many versions are there in Magento?

Magento is a platform that offers a wide variety of products. They split based on multiple offerings:

• Magento Commerce
• Magento Order Management
• Magento Business Intelligence
• Magento Shipping Magento Social
• Magento Open Source

The latest version of Magento is 2.4. It includes new features and improvements like improvements to the B2B Module, ElasticSearch, Product Recommendations that are powered by Adobe Sensei, Adobe Stock Integration, and more. Up to now, this is also the most anticipated version of businesses, as it brings a lot of great features to e-commerce stores.

Question 5. What is the main technology behind Magento 2? How is it different from Magento 1?

Magento 2 uses PHP version 7.0.2 and the above versions as a web server language. It uses MySQL version 5.6 or 5.7 for the database. The difference between the technology stack of Magento 2 and Magento 1 is provided below in the table:

Magento 2	Magento 1
Apache 2.2 / 2.4	Apache 2.x
Nginx 1.7 or greater
PHP 5.6.x / 7.0.2 / 7.0.6	PHP 5.2.x – 5.5.x
MySQL / MySQL Percona 5.6.x or greater	MySQL
Varnish 3.x / 4.x
Redis 2.x / 3.x or Memcached 1.4.x
Solr 4.x	Solr (Only for EE)
HTML5	HTML
CSS3	CSS
JQuery	JQuery (In latest themes)
RequireJS / Knockout.js
Zend Framework 1 / 2	Zend Framework 1
Symfony
Composer
PSR – 0 / 1 / 2 / 3 / 4

Question 6. What is the command to enable or disable a Magento 2 module?

To enable or disable a Magento 2 extension, use the commands below.

php bin/magento module:enable module_name
php bin/magento module:disable module_name

Question 7. Which limitations are there on the Magento software?

Magento is one of the most popular e-commerce platforms available. There’s no doubting that the platform is extremely beneficial for e-commerce firms. Its drawback is that it necessitates an excessive amount of storage and memory. It also necessitates object-oriented programming to avoid becoming a complicated system. Furthermore, Magento has the potential to slow down and degrade the speed of your website. After all, these limits aren’t a major deal because, in most circumstances, the benefits of building a website on the Magento platform much outweigh any potential drawbacks.

Question 8. What exactly is the distinction between a store and a website?

This table can help you comprehend the difference between a store and a website. Some settings are set by a store, while others are set by a website:

Parameter	Scope
Product settings	Default, Store View
Product prices	Default, Website
Product tax class	Default, Website
Base currency	Default, Website
Display currency	Default, Store view
System configuration settings	Default, Website, and Store view
Root category configuration	Store group
Orders	Store view
Customers	Default, Website
Category settings	Default, Store view

Let’s take an example: if you need to specify two distinct base currencies, you can do it in the same store, but you’ll need two separate websites.

Question 9. How can you improve the performance of Magento 2?

Magento admin-level tips to improve the performance of Magento 2

1. Install the latest version
2. Cache management
3. Page Caching
4. Enable flat catalog
5. Merge CSS and Javascript files
6. Clean Magento Logs and Database
7. Image Optimization
8. Have fewer modules and extensions

Server-side tips to improve the performance of Magento 2

1. Install a CDN
2. Choose a Magento Specialized Hosting Provider
3. SQL Configuration

Question 10. What are the steps to write a custom module in Magento 2?

You have to complete the following steps to develop a custom module in Magento 2:

1. Create the module folder.
2. Then, create the, etc/module. XML file.
3. After that, generate the registration. PHP file.
4. Run the bin/Magento setup: upgrade script to install the new module.
5. Ensure that the new module is working or not.

Question 11. In Magento 2, how do you add a new theme?

The following are the steps to add a new theme to the Magento system:

1. Create a directory for the theme under app/design/frontend//.
2. Add a declaration file theme.xml and generate etc directory.
3. Also, create a file view.xml to the theme directory.
4. Add a composer.json file and registration.php.
5. Make directories for CSS, JavaScript, images, and fonts.
6. Configure your theme in the Admin panel.

Question 12. How do you modify Magento’s core API settings?

1. First and foremost, you need to access the Admin menu.

2. Select System > Configuration

3. Choose Magento Core API on the left side of the Configuration Panel

4. Navigate to expand the General Settings section

5. Write the Default Response Charset’s name that you want to use

6. Define the DefineClient Session Timeout in seconds

7. Click on the Save Configuration button to finish

Question 13. What is the difference between a cache:clean and cache:flush?

Cache: clean is a command that clears all of Magento’s cache. Cache: flush, on the other hand, clears all cache storage, including third-party and Magento cache.

Question 14. How can you reset the Magento file & directory permissions?

By running the following commands via the directory where Magento is installed, you can reset the Magento file and directory permissions.

find . –type f –exec chmod 644 {} ;
find . –type d –exec chmod 755 {} ;
chmod +x mage

Question 15. What type of file will store the Vendor Path?

The answer is:

vendor_path.php situated at app/etc/ folder

Question 16. What are the different deploy modes in Magento 2?

Magento 2 has four alternative deployment modes.

• Default mode: You can deploy Magento applications on a single server using this option. This mode, however, is not suitable for production.
• Developer mode: used when you want to change or extend the functionality of the website.
• Production: When your Magento 2 site is in production, this option is activated.
• Maintenance: When you enable this mode, you will be unable to access the Magento website while it is being updated or reconfigured.

Question 17. Which command to set up an upgrade in Magento 2?

You can do the following command to set up an upgrade in Magento 2:

php bin/magento setup:upgrade

Question 18. In Magento 2, what is dependency injection?

In Magento 2, dependency injection is utilized to replace the functionality provided by the Mage class in Magento 1.

This is a pattern in which object 1 declares its dependencies on object 2, removing the need for object 1 to purchase its own dependencies. Object 2 will carry out the action in accordance with the desired behavior and configuration.

Question 19. What is a Factory Class in Magento 2?

Because Magento prohibits using the object manager to build, edit, or get an entity, factory classes are utilized instead. These classes are created automatically during code generation and do not require manual definition.

Question 20. Magento will be used to manage which billing information?

All of the following information will be maintained through Magento from the customer account.

• Add a credit card
• Add a PayPal account
• Update a billing address
• Produce a print-ready receipt
• View your billing history

In fact, Magento is a versatile eCommerce platform, and managing all of this invoicing information within the platform is critical.

Question 21. How can you set up a blog in Magento?

We all know that blogs are important for enhancing a website’s search engine rankings. As a result, you should add blogs to your website to improve it, attract clients, and gain other benefits.

To add a blog to Magento, you have two options: use the pre-built Magento blog extension or create a bespoke blog module on the webshop. Landofcoder Blog for Magento 2 is an excellent alternative if you want to set up a free readymade blog module. This is one of the best free modules created by the Landofcoder team. The detailed instructions for installing the Blog extension, as well as the instructions for utilizing this module, may be found here. If you want to make a bespoke blog, on the other hand, you’ll need to design a module, which isn’t straightforward. We recommend the Landofcoder Blog module, which is available on the Magento market and is free.

Question 22. How can you make Magento more secure for clients?

Any e-commerce website’s security is always a priority. Security is also very important in Magento; it is always a top focus.

To improve the security of Magento, you can follow some suggestions below:

• You need to create a complex password and change them from time to time
• Do not allow remote access to Magento content manager
• Do not provide downloadable media on production sites.
• Install a Magento website security extension. If you need to protect your website from hackers, the Landofcoder Security Extension is a good option. This module not only protects your store from prospective hackers, but also provides an advanced alarm system that allows you to deal with them quickly.

Question 23. How to enable Maintenance mode in Magento?

To enable Maintenance mode in Magento, you need to create a file named maintenance.flag, then only upload it to the Magento home directory containing the following commands.

$maintenanceFile = 'maintenance.flag';     
if (file_exists($maintenanceFile)) {  
include_once dirname(__FILE__) . '/errors/503.php';  
exit;  
} 

Question 24. Where is the Vendor Path file located?

The vendor_path.php is located at app/etc/ folder.

Question 25. How can you count the items in a collection?

You can count items in a collection using getSize(). This function saves the collection rather than loading it each time the item is calculated. So you don’t have to recalculate that value every time you need it. This result may become incorrect since it uses the SQL COUNT() method to speed up the counting process.

Question 26. If catalog_product_flat_data is running, what are the results for that store?

The data is retrieved by EAV when flat catalog indexing is in progress. As a result, both the indexing procedure and the overhead associated with EAV retrieval slow down performance. The product’s information is still accurate.

Question 27. How to vary the core Magento API settings?

Steps to change the core Magento API settings are:

1. Go the admin menu
2. Select System> Configuration.
3. On the left side of the panel under service, choose Magento Core API
4. Go to General Settings and expand itNow enter the details of Default Response Charset
5. After that, enter the Client Session Timeout (secs)
6. To enable WS-I Compliance and WSDL Cache, select Yes
7. The last step is to click on Save Config Button

Final thoughts

The Magento 2 interview questions and answers listed above will help you conquer your interview. Practice these questions, but don’t forget to be confident when answering them. Additional questions/answers and advice can be found in this Magento hiring guide.

If there’s anything you think we missed, please let us know in the comments section below. If you have any other questions concerning Magento, please contact our specialists here.

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