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Top 30 Magento 2 Interview Questions and Answers

If you are looking for mostly asked Magento 2 Interview Questions with answer then you are at a right place.

In this article, you going to see Magento 2 interview questions including with answer which is mostly going to ask during the interview process.

This interview question is ask for all type of job seekers who are working on Magento 2.

Below is the question with the answer which is asked in most of the companies.

So prepare on this question and answer in order to crack the interview.

Let start with Magento 2 Interview Questions and Answers

First 3 are General Question

Q1 : Explain Magento?

Magento is an opensource e-commerce platform due to which many companies execute and manage their e-commerce websites in a well-optimized way.

Q2: Explain Why to use Magento?

  • It is Open Source.
  • Small Companies can also use to develop their business.
  • Product searching and sorting using this become easy.
  • A third-party extension can easily be installed and integrated.

Q3: Explain MVC Architecture?

MVC is the Model<->View<->Controller architecture which divides an application into three components is called a model, view, and controller.

To run the application properly behind, model take care of data and logic.

The main purpose of view is display what you want to see in front-end.

Controller pass the order to model and view depending on user request.

For More detail regarding Magento architecture you can check with the below link.

Complete guide on Magento 2 architecture

Q4: How to enable and disable Magento 2 module using command?

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

Q5: Which command is used to install Magento 2 using composer?

composer create-project --repository-url=https://repo.magento.com/ magento/project-community-edition:<magento-version> <installed-directory-name>

Q6: Which technology does Magento 2 use?

  • Use MySQL for Database and Use PHP as a programming language.
  • It uses PHP 7.0.2 up to 7.0.10. PHP 7.0.5 or greater depending upon the up-gradation of Magento 2 and regarding uses version 5.6 or 5.7.

Magento 2 interview questions and answers for 2 year experience

Q7: Explain EAV?

  • EAV is Entry, Attribute, Value model.
  • It also called “object attribute value“.
  • It is managing the catalog system.
  • An EAV is actually designed for the database which consists of a large number of attributes that define a certain entity.
  • For example, an entity is a product, defined by attributes like color, size, etc.

Q8: What is the process or way to write a custom module in Magento 2?

For example, your module name is ShippingCharges.
For that, you have to define in app/code folder.
It should be like this: app/code/VendorName/moduleName.

Example : app/code/Techone/ShippingCharges

Below are steps:

  • First is to create the folder of ‘ShippingCharges’ module
  • The second one is to create etc/module.xml file
  • Third one is to create etc/registration.php file
  • The last step is to Enable the module

Q9: How to improve the performance of Magento 2?

Enable Gzip caching
Optimizing image size
Write clean code
Disabling modules that aren’t in use
Enable Magento caching
MySQL Query Caching
performance of Magento 2

Q10: How to enable and disable cache using command in Magento 2?

php bin/magento cache:enable
php bin/magento cache:disable

Q11: How to index in Magento 2 using command?

php bin/magento indexer:reindex

Magento Tricky Questions

Q12: Explain plugin in Magento 2?

The plugin allows the editing of the behavior of any public class.

By using Plugin Interception you can modify the behavior of a class, for this you no need to change the class directly.

Types of method in plugin

  • before
  • around
  • after
Before methodsIt allows code to run before observed method.
After methodsIt allows code to run after the observed method.
Around methodsIt allows code to run before and after the observed method.
methods types

Q13: What options Magento 2 plugin doesn’t work with?

  • Objects that are instantiated before Magento\Framework\Interception is bootstrapped
  • Final methods
  • Virtual types
  • Final classes
  • __construct
  • Any class that contains at least one final public method
  • Non-public methods

Q14: How Plugins are declared?

It is declared inside : app/code/{namespace}/{module}/etc/di.xml.

<config>
    <type name="{ObservedType}">
        <plugin name="{pluginName}" type="{PluginClassName}" sortOrder="1" disabled="false"/>
    </type>
</config>

Q15: What is Magento 2 Events?

Event extends functionality of Magento 2.It is a kind of a flag that can raise at specific situation.

The class Magento\Framework\Event\Manager is used to dispatch event.

Q16: What are all the events used in Magento 2?

Below are all the event name used in Magento 2.

  • sales_quote_remove_item
  • sales_quote_add_item
  • sales_quote_product_add_after
  • sales_quote_item_qty_set_after
  • sales_quote_item_set_product
  • controller_front_send_response_before
  • model_load_before
  • store_delete and many more such types of events used in Magento 2

Magento 2 interview questions and answers for 5 year experience

Q17: What are the steps to change the core Magento API settings?

  • Log in and go to the Admin menu.
  • Choose System and then Configuration
  • After which you have to select Magento Core API on the left side of the Configuration Panel
  • Click to expand the section of General Settings
  • Type the name of the Default Response Charset which is going to use
  • Determine the Client Session Timeout in seconds
  • Click on Configuration button to save when the process gets complete

Q18: Explain difference between cache:clean and cache:flush?

  • Cache: clean deletes all the cache.
  • Cache: flush deletes all the cache storage whether it is Magento cache or third party.

Q19: When EAV model is created which table is created?

6 tables get created are as given below.

  • module_datetime
  • module
  • module_decimal
  • module_int
  • module_text
  • module_varchar

Q20: How to reset Magento directory and file permissions?

Using below command you can reset directory and file permissions in Magento 2.

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

Q21: In which file vendor path is store?

It is a vendor_path.php placed inside app/etc/ folder.

Q22: Which command is used setup upgrade in Magento 2?

php bin/magento setup:upgrade

Q23: Disadvantages of Magento?

  • Require more memory and disk space.
  • It requires more time to develop customized functionality.
  • Proper Hosting environment requirement.
  • Slow as compared to another e-commerce website.

Q24: Type of product available in Magento?

  • Simple Products
  • Configurable Products
  • Virtual Products
  • Grouped Products
  • Bundled Products
  • Downloadable Products

Technical Magento 2 interview questions and answers

Q25: Which are the different deploy modes in Magento 2?

  • Production
  • Maintenance
  • Developer mode
  • Default mode

Q26: Explain Static Blocks?

To get the data related any topic, you can add it in static block.

You can add this block any where in page through out Magento.

You can also add Google Maps for address details.

Q27: Which is factory class?

To create, change, and get an entity without having to access the object manager, factory class is used.

When code is generated at that time this class get created and it is not manually created.

Q28: What is dependency injection?

Dependency injection is replaced by Mage class which used in Magento 1 and the dependency injection is used in Magento 2.

It is one type of pattern in which for example Object A has declared its dependency on Object B, then Object A do not have to worry about obtaining its own dependency requirement.

Q29: What is better Magento 2 or Magento 1?

Magento 2 is better because of the following reason:

  • Improved architecture.
  • Faster than Magento 1.
  • Better performance.
  • More user-friendly.
  • Consist of advanced features such as PWA and page builder.
  • Easy to install and update using manually and via the composer.

Q30: Which are the features of Magento 2?

  • Payments are secure.
  • Easy updations.
  • It is to easy customizable.
  • Analytics and reporting.

Conclusion :

Finally, we have done with all the top 30 Magento 2 Interview Questions and Answers which is asked in most of the companies. So always be confident in order to crack the interview.

I hope you like this article and if you feel like we missed out on anything, please comment below.

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