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.
Table of Contents
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.
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.
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.
Magento is a platform that offers a wide variety of products. They split based on multiple offerings:
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.
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 |
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_nameMagento 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.
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.
Magento admin-level tips to improve the performance of Magento 2
Server-side tips to improve the performance of 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.
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.
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
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.
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 mageThe answer is:
vendor_path.php situated at app/etc/ folderMagento 2 has four alternative deployment modes.
You can do the following command to set up an upgrade in Magento 2:
php bin/magento setup:upgradeIn 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.
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.
All of the following information will be maintained through Magento from the customer account.
In fact, Magento is a versatile eCommerce platform, and managing all of this invoicing information within the platform is critical.
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.
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:
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;
}
The vendor_path.php is located at app/etc/ folder.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.
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.
Steps to change the core Magento API settings are:
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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