Question No : 1
\Magento\Sales\Model\Api\OrderRepositoryInterface::getList accepts a SearchCriteriaInterface to filter and sort information.
What class assists in creating an instance for SearchCriteriaInterface?

• A.\Magento\Framework\Api\SearchCriteriaFactory
• B.\Magento\Framework\Api\SearchCriteriaBuilder
• C.\Magento\Sales\Model\Order\SearchCriteria
• D.\Magento\Backend\Api\SearchCriteriaGenerator

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Answer:

Question No : 2
The constructor function for \Magento\Catalog\Model\Category contains this excerpt:



With the automatic dependency injection that Magento provides, how is the StoreManagerInterface resolved?

• A.If no $storeManager is provided, Magento’s code generator creates a shell concrete class based on \Magento\Store\Model\StoreManagerInterface
• B.Magento finds all classes that implement \Magento\Store\Model\StoreManagerInterface (ordered alphabetically) and injects the first class.
• C.Magento looks to the di.xml files in the entire system for a preference node for \Magento\Store\Model\StoreManagerInterface. This class is constructed and injected
• D.Magento throws an exception because you cannot instantiate an interface

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Answer:
Explanation:
https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html

Question No : 3
You have added a new attribute origin of the type varchar to the product entity.
Which two calls will filter a product collection with origin set to “California”? (Choose two.)

• A.$collection->addFieldToFilter(‘origin’, “California”);
• B.$collection->addAttributeToSelect(‘origin’, “California”);
• C.$collection->joinAttribute(‘origin’, ‘catalog_product/origin’, ‘origin’, ‘California”);
• D.$collection->addAttributeToFilter(‘origin’, “California”);

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Answer:

Question No : 4
You are creating a module that will be sold on the Magento Marketplace. You wish for this module to be easily extensible, and decide to add the capability for other developers to utilize extension attributes.
What is the minimum update necessary to enable this capability?

• A.Add the getExtensionAttributes() method and implement ExtensionAttributesInterface in each model.
• B.Create an ExtensionAttributeInterface for each model.
• C.Ensure each model extends Magento\Framework\Model\AbstractExtensibleModel.
• D.Configure your models in etc/extension_attributes.xml

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Question No : 5
Magento allows you to specify custom values per store for product attributes created in the admin panel.
Which architectural pattern makes it possible?

• A.Store Manager
• B.Extension Attribute
• C.Entity Attribute Value
• D.Dependency Injection

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Answer:

Question No : 6
You are tasked to install an extension to the merchant’s Magento instance.
The extension is developed by the company called MyCompany and its codebase is available from all four locations listed below.
Which two installations options do you choose from to prevent version conflicts during upgrade? (Choose two.)

• A.Clone the code from GitHub and put it into the vendor directory
• B.Download the extension code from the developer’s website, and put it into app/code
• C.Use Magento web setup wizard to pull the code from Magento’s composer repository
• D.Use composer CLI to pull the code from MyCompany’s repository

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Answer:

Question No : 7
An Adobe Commerce developer has been tasked to create a new rest API endpoint to get a list of items for a CustomEntity. When testing the endpoint, it throws an exception.
This is the code the developer has written forMyVendor\Module\Api\CustomEntityRepositoryInterface:



And this is the implement method within MyVendor\MyModulemodel\CustomEntityRepository:



What is wrong with the code?

• A.The @return annotation is missing in the MyVendor\MyModule\Api\CustomEntityRepositoryInterface::getList function.
• B.The implemented getlist function is returning an array, it should return an instance of MyVendor\MyModule\Api\Data\CustomerEntitySearcResultslnterface .
• C.Magento\Framework\Api\SerchCriteriaInterface $searchCriteria is not a valid parameter for the getList function.

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Answer:

Question No : 8
You are adding a new menu item to the admin backend which will link to a custom backend page.
The declaration of the route:



What do you specify as the menu item action attribute value so it links to /admin/mycompany/mymodule/?

• A.action=”adminhtml/mycompany/mymodule/”
• B.action=”admin/mycompany/mymodule/”
• C.It is not possible without extending the adminhtml route in routes.xml
• D.action=”mycompany/mymodule/”

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Answer:

Question No : 9
How do you persist an entity to the database?

• A.Calling the store() method on the entity’s model
• B.Calling the update() method on the entity’s collection
• C.Calling the persist() method on the entity’s repository
• D.Calling the save() method on the entity’s repository

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Question No : 10
You have created a new block and will be adding this block on every page. The block contains user-specific information and cannot be cached.
The block is added to the default.xml with:



What does this accomplish?

• A.The block will be loaded on the store front using AJAX
• B.FPC will cache the block content for all cacheable pages
• C.FPC will be bypassed for this block and all other page content will be cached
• D.All store front pages are no longer cacheable

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Answer:
Explanation:
https://magento.stackexchange.com/questions/103256/how-to-disable-the-cache-for-the-block-in-magento-2