Magento Magento-2-Associate-Developer 問題集

質問 1：
A custom module must make changes to the schema following each setup:upgrade run. This must be done after all other module's schema updates have been applied.
How is this accomplished?
A. Write a plugin intercepting \Magento\Setup\Model\Installer::handleDBSchemaData
B. Create an UpgradeSchemaAfter class which implements InstallSchemaInterface
C. Create a Recurring class which implements InstallSchemaInterface
D. Update the module's setup_priority in etc/modules.xml
正解：C

質問 2：
You are developing a module MyCompany_StoreInfo to display information about brick and mortar stores on a frontend page. The displayed information varies based on the country of a given store.
What two elements automatically render their children? (Choose two.)
A. <block class="\Magento\Framework\View\Element\Text\ListText" name="shop.info.details"/>
B. <block class="\Magento\Framework\View\Element\AbstractBlock" name="shop.info.details"/>
C. <block class="\Magento\Framework\View\Element\Template" name="shop.info.details"/>
D. <container name="shop.info.details"/>
正解：A,D

質問 3：
What is the connection between product attribute sets and categories?
A. Categories can be connected to multiple product attribute sets, and only products from one of those sets are allowed in the category
B. Categories have no connection to product attribute sets, and any product can be assigned to any category
C. Each category is linked to a single product attribute set, and only products from that category's set or any of its parent categories'
D. Each category is linked to a single product attribute set, and only products from that attribute set are allowed in the category
正解：B

質問 4：
You want to remove a column introduced by a third-party extension via declarative schema.
How do you do that?
A. Create the etc/db_schema.xml file and specify disable="true" on the column
B. Create a SchemaPatch file and remove the column programmatically
C. Modify the original etc/db_schema.xml file and remove the column from there
D. Copy the etc/db_schema.xml file into your module and remove the column from your copy
正解：D

質問 5：
You need to find all orders in the processing state. You have written the code:

When you run the code, you get the following exception:

How do you resolve the exception?
A. Clear generated code to get a new version of SearchCriteriaBuilder
B. Specify a preference in di.xml to map SearchCriteriaBuilder to SearchCriteriaInterface
C. Use dependency injection to load an instance of the SearchCriteria class
D. Change the getList parameter to: $searchCriteriaBuilder->addFilter('state', 'processing')->create()
正解：D

質問 6：
You are reviewing a Magento module and see a directory named Service.
What can you determine from this directory's name?
A. It is where the API response cache is stored
B. It is where API-related configuration resides
C. You need to review the files in this folder to understand its purpose
D. It is where the module's service contracts are stored
正解：C

質問 7：
You are tasked with ensuring customers who log into the site are authorized. By default, this consists of ensuring the customers email and password match the values in the database. On this project, you need to verify additional data in this process.
Keeping in mind upgradeability, how is this done?
A. Create an event observer for the user_save_after observer
B. Override \Magento\Customer\Controller\AccountController.php
C. Create a before plugin for \Magento\Customer\Api\AccountManagementInterface's authenticate method
D. Create a mutation of a CustomerInterface object to intercept the username and password
正解：C