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Magento 2 Interview Questions

Magento 2 Interview Questions: Magento 2 is the latest incarnation of the leading enterprise-class eCommerce platform.
Q: What is Magento 2?

Magento 2 is the successor of Magento. Magento 2 follow a Model View ViewModel (MVVM) system.

Q: What are the advantages of Magento 2?

Following are the advantages of Magento 2:

  1. Improved performance and scalability: It is very fast.
  2. Better Backend UI.
  3. It's have new file structure
Q: How can we write custom module in Magento 2?

If we need to create our own module say - Hello World then we define it in app/code folder. It will be app/code/VendorName/moduleName.

Example: app/code/myModules/HelloWorld.

Steps:
  1. Create the folder of Hello World module
  2. Create etc/module.xml file
  3. Create etc/registration.php file
  4. Enable the module
Q: What are some useful commands in Magento 2?

Following are the list of most important SSH/CLI commands for Magento 2:

Setup Upgrade Using Command Line:
php bin/magento setup:upgrade
Cache Clean/Flush Using Command Line:
php bin/magento cache:clean
php bin/magento cache:flush
Enable/Disable Cache Using Command Line:
php bin/magento cache:enable [cache_type]
php bin/magento cache:disable [cache_type]
Enable/Disable Module Using Command Line:
php bin/magento module:enable Namespace_Module
php bin/magento module:disable Namespace_Module
See all modules Status Using Command Line:
php bin/magento module:status
Reindexing Using Command Line:
php bin/magento indexer:reindex
Enable Maintenance Mode Using Command Line:
php bin/magento maintenance:enable
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