0. What is Magento 2?
Magento 2 is an open-source e-commerce platform that allows businesses to create and manage online stores.
1. What are the key features of Magento 2?
Some key features of Magento 2 include a flexible shopping cart system, robust product catalog management, advanced search and filtering options, multi-store functionality, mobile-friendly responsive design, and powerful marketing and promotional tools.
2. What is the difference between Magento 1 and Magento 2?
Magento 2 offers improved performance and scalability compared to Magento 1. It has a simplified and streamlined checkout process, a more intuitive admin interface, better security features, and enhanced frontend and backend performance.
3. How can you create a new module in Magento 2?
To create a new module in Magento 2, you need to create the required directory structure, define module configuration files, create necessary controllers, blocks, models, and views, and register the module in the system.
4. Explain the concept of dependency injection in Magento 2.
Dependency injection is a design pattern used in Magento 2 to manage object dependencies. It allows objects to be injected or passed into other objects, reducing tight coupling and making the code more modular and testable.
5. How do you create a custom database table in Magento 2?
To create a custom database table in Magento 2, you need to create a new database schema XML file, define the table structure, and run the necessary setup scripts to install and upgrade the module.
6. How can you add a new product attribute in Magento 2?
You can add a new product attribute in Magento 2 by creating a new module or using an existing one. You need to define the attribute in the module's setup script and use the eavSetupFactory to create and configure the attribute.
7. What are event observers in Magento 2?
Event observers are used to listen and react to specific events triggered during the execution of Magento 2. By creating an event observer, you can execute custom code when a specific event occurs, such as when a customer places an order or when a product is saved.
8. How can you create a custom API endpoint in Magento 2?
To create a custom API endpoint in Magento 2, you need to define a web API XML file to configure the endpoint, create a web API interface, implement the interface in a PHP class, and define the necessary logic to handle the API request and response.
9. What is the difference between a theme and a module in Magento 2?
A theme in Magento 2 controls the frontend appearance of a store, including the layout, styles, and templates. A module, on the other hand, adds or extends functionality in Magento 2, such as adding new features, modifying existing behavior, or integrating with third-party systems.
10. How can you create a new CMS page in Magento 2?
To create a new CMS page in Magento 2, you can log in to the admin panel, navigate to the Content > Elements > Pages section, and click on the "Add New Page" button. Fill in the required fields, configure the content and layout, and save the page.
11. Explain the concept of code pools in Magento 2.
In Magento 2, code pools represent different locations where the code is stored. In the earlier versions of Magento, there were three code pools: core, community, and local. However, in Magento 2, this concept has been replaced by modules and the app/code directory structure.
12. How can you customize the checkout process in Magento 2?
You can customize the checkout process in Magento 2 by creating a new module or extending an existing one. You can modify the checkout layout, add or remove steps, implement custom validations, and customize the order summary and payment methods.
13. What is the use of composer in Magento 2?
Composer is a dependency management tool used in Magento 2. It helps manage and install Magento 2 and its extensions, keeping track of dependencies, versions, and updates. Composer simplifies the process of installing and updating Magento 2 and its components.
14. How can you enable maintenance mode in Magento 2?
To enable maintenance mode in Magento 2, you can run the following command from the command line: bin/magento maintenance:enable. This command will put the store into maintenance mode, displaying a maintenance page to visitors. To disable maintenance mode, use the maintenance:disable command.