Adobe AD0-E704 問題集

質問 1：
OrangeCompany decided to build a REST API based module in the application so that he can share the details of best-selling products to his franchisee. To make it's flexible and customizable in the future, he advised his developers to enable the support of extension_attribute in the API interface so that any new attributes can be added when required. What is the way to enable the entity/interface to support extension attributes in the module?
A. Check the interface for the implementation of Magento\Framework\Api\CustomAttributesDataInterface to enable support for extension attributes
B. Check the interface for the methods getCustomAttributes() and setCustomAttributes() to determine if they are available for the entity.
C. Check the interface for the implementation of Magento\Framework\EntityManager\Operation\ExtensionPool to enable support for extension attributes
D. Check the interface for the methods getExtensionAttributes() and setExtensionAttributes() to determine if they are available for the entity.
正解：D

質問 2：
You are starting a project and realized you need to clean the content of a container. How do you achieve this?
A. You create a view/layout/mycompany_mymodule_index. xml and add a referenceContainer. You will then remove the existing blocks one by one
B. YOU create a view\layout override/mycoapany_mymodule_index. xml and add the new blocks to the referenceContainer to override the previous ones
C. The layout merging logic will override a container if you reference the container and load your module after the original one using sequence in your module. xml
D. YOU create a view/layout/mycompany_mymodule_index. xmlWith the referenceContainer and remove all the blocks by adding remove name='*' />
正解：B

質問 3：
The merchant asked you to implement an order review step on the checkout after the payment step. Which problem do you need to resolve?
A. There is no WebAPI endpoint for saving payment data without placing an order
B. Magento does not allow to add a step after the payment step
C. The "Place order" button belongs to a payment method template so you have to customize all payment methods
D. There is no WebAPI class for placing an order without saving a payment data
正解：B

質問 4：
Consider below example of etc/di.xml: Magento\Filesystem\Adapter\Local Please select correct statement based on shared="false" attribute in the example:
A. Magento\Filesystem is not shared, so all clients will retrieve separate instances of Magento\Filesystem. Also, every instance of Magento\Filesystem will get separate instance of $adapter, because it is non-shared too.
B. None of these.
C. Magento\Filesystem is not shared, so all clients will retrieve same instances of Magento\Filesystem. Also, every instance of Magento\Filesystem will get same instance of $adapter, because it is non-shared too.
D. Magento\Filesystem is not shared, so no clients will retrieve any instances of Magento\Filesystem. Also, no instance of Magento\Filesystem will get any instance of $adapter, because it is non-shared too.
正解：A

質問 5：
You are integrating an external system from which products and categories will be synchronized with Magento.
To keep the category tree synchronized, an identifier attribute needs to be added to the catalog_category entity. The identifier value is generated by the external system as an unsigned 3 byte integer and is global in scope. Your code will run many concurrent queries to select categories based on this ID in order to synchronize changes.
Keeping performance in mind, what attribute backend type do you choose when creating the EAV attribute?
A. text
B. static
C. int
D. varchar
正解：C

質問 6：
After enable the content security policy in a magento site, you see below warnings/errors in the browser console. "[Report Only] Refused to load the script 'https://cdn.jquery.com/jquery.js' because it violates the following Content Security Policy directive: "script-src assets.adobedtm.com".What could be the standard fix of this problem?
A. Add etc/csp_whitelist.xml in a custom module and whitelist it under policy id="link-src"
B. Add etc/config.xml in a custom module and set report only to 1, to let the browser load all script urls without error.
C. Add etc/csp_whitelist.xml in a custom module and whitelist it under policy id="script-src"
D. Disable the module Magento_Csp to let the browser load all script urls without error.
正解：C

質問 7：
A merchant wants to send email notifications to those customers after a week who placed the order but didn't pay. Suppose email content is almost similar to the default order email template content with some additional text, so you decided to use the same but in a new custom template. How you pass the order object to the email template so that it will render the all data of default template?
A. Load the order using increment_id and use getData() to convert it to array and then pass to setTemplateVars method of _transportBuilder instance.
B. Create json of all variables that are used in the email template and pass to setTemplateVars method of _transportBuilder insatance.
C. Load the order using increment_id and pass this object to setTemplateVars method of _transportBuilder instance.
D. None of these.
正解：D

質問 8：
You are reviewing a custom observer for the event sales_order_save_after which is fired when an order is placed on the storefront. The observer is sending a remote request to an analytics system with the order data.
What issue may this observer cause?
A. In case of an error in the observer the order will not be saved in the database
B. The payment status is not available at the moment when the order is saved
C. This event will not be fired if the order is placed through the WebAPI
D. The final price for the order is not available on the sales_order_save_after event
正解：A