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Whether you are a fresher or senior, Magento 2 interview questions can be a fear due to the platform’s complexity and specific knowledge requirements. No matter how well prepared you are, it will always be the factor that puts you under pressure. In this case, it’s better to have some idea of what types of questions the employer will ask during the interview. From there, you can have precise answers ready and score points with the employer during the interview process.
We have compiled more than 30 common Magento 2 interview questions and answers, both related to your personal experience and technical knowledge, which have been asked by most of the companies. When candidates have a positive interview experience, there is a 38% higher chance of them accepting a job offer. Therefore, make sure you have carefully prepared this knowledge for the interview to get the best results.
Before delving into the list of commonly asked Magento 2 interview questions, it’s important to first understand the typical job roles in this field to get an overview of the scope of work and the required skills for each position.
The primary responsibility of a Magento Developer is to design and develop Magento websites and its modules and templates. Throughout your work, you will need to address and resolve any software integration issues that arise. Your job responsibilities will also include website updates and the installation of security patches.
As a Magento Developer, it is crucial to stay updated on the latest technologies. Your familiarity with different UI/UX trends will also give you a competitive edge.
In general, there are 2 main positions for Magento developers:
In addition to equipping yourself with advanced knowledge of Magento, you should also pay attention to other knowledge areas and soft skills that complement your job and enhance productivity. Examples include:
A Magento Solution Architect focuses on proposing major features and technological solutions, rather than directly designing software. They propose comprehensive design solutions to help clients address business issues with Magento. Besides, the Magento Solution Architect knows how to prioritize solutions when deploying them.
Key tasks of a Magento Project Manager include overseeing and managing the successful execution of Magento projects, coordinating with various teams including developers, designers, and stakeholders, allocating resources, managing timelines, and monitoring budgets to ensure smooth project delivery.
Similar to a Magento Solution Architect position, the requirements for a Magento Project Manager may vary depending on the industry or the client’s business operations. However, there are still essential skills that you typically find in Magento Project Manager job postings:
A Magento SEO specialist is responsible for optimizing Magento websites to improve their search engine rankings and visibility. Their main focus is on implementing SEO strategies and techniques to drive organic traffic to the website and enhance its online presence.
In addition to the common job positions mentioned above, there are various other roles depending on individual company needs and budget. However, most Magento 2-related jobs, whether they involve coding or project management, generally have some common requirements.
These include hands-on experience with Magento versions, familiarity with its features, functionalities, and architecture, understanding of e-commerce principles and best practices, effective issue identification and resolution within a Magento environment, and strong communication skills for collaboration, client communication, and technical support or training.
Practice these fundamental skills well to establish a strong foundation and boost your confidence in answering any question at your next Magento 2 job interview or platforms such as Algo.Monster serve as valuable resources to prepare for coding interviews.
1. What is Magento? Can you describe its components?
Magento is an open-source e-commerce platform that comes with many features and extensions. It includes PHP code, libraries, and functions needed to build online stores. It uses PHP frameworks like Symphony and Laminas, along with database systems like MySQL and MariaDB. Key features of Magento include:
Magento has three main components:
2. What technologies does Magento use?
Magento mainly runs on PHP (versions 5.5, 5.6, and 7). It also uses the Zend Framework and follows PSR coding standards. Composer is essential for managing dependencies. Additionally, it works with HTML5, CSS3, jQuery, Apache, Nginx, MySQL, Gulp, and Twig.
3. What is MVC Architecture in Magento?
MVC stands for Model, View, and Controller. This architecture separates data handling, business logic, and user interface, making it easier to manage:
4. What does EAV mean in Magento?
EAV stands for Entity-Attribute-Value, which helps extend Magento’s functions. In this system:
5. What is ORM in Magento?
ORM stands for Object Relational Mapping, which simplifies database interactions. In Magento, ORM is represented as models, divided into:
6. What are Magic Methods in Magento?
Magic methods are functions that start with two underscores (__) and allow automatic function calls without explicit invocation. Examples include:
7. What are the Application Modes in Magento 2?
Magento 2 operates in three modes: Default, Developer, and Production.
8. What is a handle in Magento?
A handle identifies a page in Magento. It comes from the URL used to find the layout files for that page. For example, in ‘view/frontend/layout/checkoutpaymentindex.xml’, “checkoutpaymentindex” is the handle name.
9. What is a Layout Handle, and what are its types?
A layout handle indicates the name of a layout file. There are three types:
10. What is the role of the Content Management System (CMS) in Magento?
The CMS in Magento helps manage webpage content effectively. It includes:
11. What is Composer in Magento 2?
Composer is a tool for managing dependencies in Magento. It helps download and organize the components needed for your Magento project. Magento uses two main commands: composer install fetches all dependencies, while composer update checks for updates. By using Composer, you can reduce problems related to compatibility and conflicts between extensions.
12. Can you explain what a metapackage is in Magento?
A metapackage contains a composer.json file that lists various components and their dependencies. When multiple packages are used in a Magento application, the metapackage acts as the main package to manage them all together.
In Magento 2.4.7, Adobe introduced the Magento Open Source Extension metapackage v1.0.0, which automatically includes selected extensions with the core release. This helps streamline the upgrade process for those extensions. Extensions included:
13. What types of products does Magento 2 support?
Magento 2 offers six product types:
14. What design patterns are used in Magento?
Magento utilizes several design patterns, including:
15. What does the file structure of Magento 2 look like?
Magento 2’s file structure consists of several key folders, including app, bin, dev, lib, phpserver, pub, setup, update, var, and vendor.
16. How do EAV and Flat Model differ in Magento?
In the flat model, both entities and attributes are stored in the same table. In contrast, EAV stores attributes in a separate table. When a new attribute is added in the flat model, a new column is created, while in EAV, a new row is added.
17. What is Dependency Injection in Magento 2?
Dependency Injection in Magento 2 is a design pattern that allows one object (A) to declare its needs for another object (B). Object B provides the necessary dependencies to A, replacing functionalities from Magento 1.
18. What is the Registry Pattern in Magento 2?
The Registry Pattern in Magento 2 allows objects and data to be available globally. This means any resource can access these objects. The Mage::register function adds data to the registry, while Mage::unregister removes it.
19. What are the features of Code Compilation in Magento?
Code compilation in Magento includes:
20. What are Connect Patches in Magento?
Connect patches are packages that contain core files used to fix security issues in online applications. They make it easier to install updates by replacing existing translations, and Magento uses HTTP for downloading extensions, enhancing security.
21. How do you change the Core API settings in Magento?
To change the Core API settings:
22. What is Magento Profiler?
Magento Profiler, or MAGE_PROFILER, allows users to enable a built-in profiler and show dependency graphs on Magento pages. The built-in profiler helps analyze performance, while the dependency graph lists the relationships between objects.
23. What is URN Schema Validation, and what types are there?
URN stands for Uniform Resource Names, used by Magento to refer to XML schema declarations. Every module in Magento has XSD files for XML validation. Magento supports two types of XSD file references:
24. How do you package a component in Magento 2?
To package a component in Magento 2, follow these four steps:
25. What Are the Different Functions of Magento CLI?
Magento CLI mainly handles installation and configuration tasks. Here are some of its functions:
26. How Can You Control SSRF Vulnerabilities in Magento?
SSRF, or Server-Side Request Forgery, is a type of vulnerability where an attacker can trick the application into sending a FLUSHALL request to an internal Redis server, causing all keys in the Redis database to be deleted. To prevent SSRF vulnerabilities, you can:
27. How Can You Increase the Security of Magento Applications?
Here are some ways to enhance the security of Magento applications:
28. How Would You Use the Object Manager in Magento 2?
In Magento 2, the object manager is used to create and retrieve objects, as well as to create proxies and factories. Additionally, the object manager can help with:
29. What Are the Best Practices in Magento Programming?
Here are some best practices to follow in Magento programming:
30. How Is Database Caching Done in Magento?
In Magento, database caching can be done in two ways:
31. What Types of XSS Vulnerabilities Exist in Magento, and How Can They Be Prevented?
There are three types of XSS vulnerabilities that can occur in Magento:
To prevent XSS vulnerabilities, you can:
32. How Does Bundling Work in Magento?
When bundling is enabled in Magento, it combines multiple JavaScripts into fewer bundles. These bundles are then downloaded for each page on the Magento site. During this process, browsers download the bundles one at a time, and Magento pauses page rendering until all downloads are complete.
33. What Is the Purpose of the composer.lock File in Magento?
The composer.lock file is used to keep track of version dependencies in a Magento project. It works with the composer file, which manages the project’s dependencies and libraries, and ensures the correct versions are installed in the vendor directory.
In short, no matter what job you are interviewing for, you need a solid foundation of knowledge. The more you know about this field, the better your chances of receiving a good job offer. Even if you have many years of experience, if you can’t express your thoughts clearly and logically during the interview, it can negatively affect the result.
Therefore, make sure to prepare before the interview. Find out which level you are in right now with the above questions that we provided for each type of experience. This will help you set realistic expectations based on your skills.