Magento Magento-2-Associate-Developer 問題集

質問 1：
What is the difference between online and offline shipping methods?
A. Online means that an item's shipping will be processed by the merchant, offline means that it will be processed by the customer
B. Online means that a shipment will have a tracking number, and offline means no tracking numbers are available
C. Online means Magento will use a shipping carrier's API to obtain rates, offline means Magento will calculate the rates internally
D. Online means that it will be sent to the customer using a shipping carrier, offline means the customer will pick up the order in person
正解：C

質問 2：
A module you are working on needs to send a newsletter to all subscribed customers at predefined intervals.
Which two actions do you take to make sure the newsletter is sent? (Choose two.)
A. Make sure bin/magento cron:run is added to the system crontab
B. Register the plugin for \Magento\Customer\Model\Customer::authenticate in etc/crontab.xml
C. Implement \MyCompany\MyModule\Cron\NewsLetterSender::execute and register it in etc/crontab/di.xml
D. Implement \MyCompany\MyModule\Cron\NewsLetterSender::execute and register it in etc/crontab/.xml
正解：A,D

質問 3：
What scopes are available for customer attributes?
A. Global, Website and Store
B. Website only
C. Global and Website
D. Global only
正解：D

質問 4：
You are implementing a before plugin in MyCompany_Magic. It will intercept the same method that MyCompany_Admission is already intercepting using a before plugin: Topmenu::getBlockHtml Which two actions are required to ensure the new plugin will execute last? (Choose two.)
A. Include a sortOrder="20" on the new plugin in MyCompany_Magic's etc/di.xml file
B. Add MyCompany_Admission as a dependency in MyCompany_Magic's etc/module.xml file
C. Configure plugin sequencing for both plugins in MyCompany_Magic's etc/plugin_sequence.xml file
D. Set a sortOrder="10" for MyCompany_Admission's plugin in MyCompany_Magic's etc/di.xml
正解：A,D

質問 5：
How can you access the select query of a collection?
A. The select query is not available in the collection class, it will be generated by the MySQL adapter right before executing a query
B. You can get it by using public method getSelect() which returns an instance of Magento\Framework\DB\Select
C. You can only access the select query after the collection has been loaded by calling the public method query()
D. It is stored in a protected variable $query and can only be accessed from the inside of a collection class
正解：B

質問 6：
You have created a module controller that responds to the following URL: /mycompany/product/load/id/123.
Which two methods will load the product model by ID as specified in the URL? (Choose two.)
A. \Magento\Catalog\Model\ResourceModel\Product::load($productModel, $id)
B. \Magento\Catalog\Model\ResourceModel\Product\Collection::fetchItemById($id)
C. \Magento\Catalog\Api\ProductRepositoryInterface::getById($id)
D. \Magento\Catalog\Model\ResourceModel\Product\Collection::load()->fetchById($id)
正解：C,D

質問 7：
You need to add a new text attribute to all products in the Magento store. When this attribute is displayed on the product page, its values must be different depending on the selected language.
Keeping simplicity in mind, how do you add this attribute?
A. Use the admin panel to create a new extension attribute
B. Add a new column to the catalog_product_entity table using declarative schema
C. Use a Data Patch to create a new EAV attribute
D. Use the Magento CLI to create a new custom attribute, then generate dictionaries for all supported languages
正解：A