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Magento Magento 2 Certified Associate Developer 問題練習

Magento 2 Certified Associate Developer 試験

最新更新時間: 2021/01/06,合計80問。

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Question No : 1
You have created a module with a custom ACL resource and want to restrict access to resources of your module.
Which three items are restricted based on ACL role permissions? (Choose three.)

正解:
Explanation:
Reference: https://www.mageplaza.com/magento-2-module-development/magento-2-acl-access-control­lists.html

Question No : 2
You are working on a jewelry store that sells rings. Each ring allows an adjustment in size. The customer specifies finger size in inches and the merchant physically adjusts the stocked ring to the required size.
How is this represented in Magento?

正解:

Question No : 3
You have created a custom module which must perform an action immediately after an order is placed, but only on the store front of the merchant site. You have selected the checkout_submit_all_after as the target event which the module will observe.
In which file will the event observer be declared?

正解:
Explanation:
Reference: https://magento.stackexchange.com/questions/128548/trigger-event-after-an-order-has-been­created-saved/128565

Question No : 4
You added a plugin declaration to MyCompany/MyModule/etc/di.xml:



What will be the effect of this declaration?

正解:

Question No : 5
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/?

正解:
Explanation:
Reference: https://magento.stackexchange.com/questions/92236/magento-2-custom-admin-action­redirected-to-dashboard

Question No : 6
Your module, MyCompany_MyModule, is using the frontName mymodule. You need to locate the class responsible for the frontend path /mymodule/custom.
What file contains the controller class for the frontend path /mymodule/custom?

正解:
Explanation:
Reference: https://www.simicart.com/blog/magento-create-controller/

Question No : 7
What is a valid use case for an aroundplugin?

正解:
Explanation:
Reference: https://devdocs.magento.com/guides/v2.3/extension-dev-guide/plugins.html

Question No : 8
What scopes are available for customer attributes?

正解:
Explanation:
Reference: https://magento.stackexchange.com/questions/258212/which-entity-allows-scoped-attributes

Question No : 9
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.)

正解:
Explanation:
Reference: https://magento.stackexchange.com/questions/94851/magento2-how-to-load-product-by-id

Question No : 10
In a code review of a merchant’s site you have discovered that there are multiple observers for the checkout_submit_all_after event. After closer inspection, you notice one of these observers is relying on the others being executed before it is called.
What risk does this pose, and how can it be mitigated?

正解:
Explanation:
Reference: https://magento.stackexchange.com/questions/373/magento-observer-events-order-of­operations

Question No : 11
Which method of a Magento resource model will remove a record from the database?

正解:
Explanation:
Reference: https://magento.stackexchange.com/questions/123840/how-to-use-resource-model-delete?rq=1

Question No : 12
\Magento\Sales\Model\Api\OrderRepositoryInterface::getList accepts a SearchCriteriaInterface to filter and sort information.
What class assists in creating an instance for SearchCriteriaInterface?

正解:
Explanation:
Reference: https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/Api/ SearchCriteriaInterface.php

Question No : 13
The module MyCompany_MyModule will add a new page to the admin interface at the URL path admin/ mycompany/entity_grid.
How do you name the file containing the action controller class so the admin router matches the path to the class?

正解:
Explanation:
Reference: https://www.mageplaza.com/magento-2-module-development/magento-2-routing.html

Question No : 14
A module MyModule needs to send notifications to customers only when the account was modified from a mobile app using the REST web APIs.
You decided to implement an observer for customer_save_after_data_object event.
In which file do you declare the observer?

正解:
Explanation:
Reference: https://magento.stackexchange.com/questions/256268/how-to-trigger-observer-by-rest-api

Question No : 15
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.)

正解:

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