Magento 2 Interview Questions & Answers

Question 1. What Is Magento?

Answer :

Magento is an open source-ecommerce web application developed by Varien, launched on 31st March 2008. Magento was built by using the part of Zend Framework and using the EAV (entity-attribute-value) database model to save the data. Now Magento is divison of eBay. On June 6 2011 eBay owns 100% of Magento.

Question 2. Why Use Magento 2?

Answer :

Magento was stripped down and rebuilt from scratch to what is now a quicker, easier, and safer Magento 2 version.

Some of its advantages include:

• It is very fast
• It’s have New File Structure
• It’s have New Layout Elements
• CSS Preprocessing
• Magento UI Library
• Improved performance and scalability
• Reducing upgrade efforts and costs

Question 3. What Are The Features Of Magento 2?

Answer :

Here are the following key features of Magento 2:

• Open and flexible architecture
• Enhanced business agility and productivity
• Engaging shopping experiences
• Grade scalability and performance of the enterprise
• Easier upgrades and maintenance
• Secure Payments
• Backup/Rollback system

Question 4. What Is Mvc Architecture?

Answer :

MVC, or Model, View, Controller, is a type of architecture in which business logic, data access, and user interface are separated for applications. MVC has two different types: configuration-based and convention-based. However, Magento uses the configuration-based version. This means that to get a module’s config file to work, everything must be specified to it.

Question 5. What Is Eav In Magento?

Answer :

EAV: stands for Entity Attribute Value, is a technique which allows you to add unlimited columns to your table virtually. EAV also known as object attribute value model and open schema.

Entity (E): Entity actually refers to data item. For example we can consider it as customer, category or product.

Attribute (A): Attribute refers to the different attributes of the Entity. Like for example product have different attributes like color, size, price, etc.

Value (V): Value refers to the actual value of the attribute of the entity. Like color has value red, price has value $25, etc.

Question 6. Which Command Is Used To Enable Or Disable A Magento2 Module?

Answer :

php bin/magento module:enable NameSpace_ModuleName

php bin/magento module:disable NameSpace_ModuleName

Question 7. Which File Stores The Vendor Path?

Answer :

Its vendor_path.php situated at app/etc/ folder.

Question 8. Which Class Magento 2 Helper Extend?

Answer :

Magento Framework App Helper AbstractHelper

Question 9. Which Function Refers The Action In Any Controller File?

Answer :

Its execute() function.

Question 10. Which Command Is Used To Enable Or Disable A Magento2 Cache?

Answer :

php bin/magento cache:enable

php bin/magento cache:disable

Question 11. What Is The Difference Between Cache:clean And Cache:flush?

Answer :

Typically, cache:clean deletes all enabled cache related to magento whereas cache:flush deletes the whole cache storage, whether its magento cache or any third party cache (whether enabled or disabled)

Question 12. What Is Resource Attribute For Admin Menu Item?

Answer :

esource attribute defines the ACL rule, that a user must have in order to access this Menu Item.

Question 13. Where Does All Core Modules Are Located In Magento2?

Answer :

They are at app/code/Module/etc/module.xml.