Adobe AD0-E704 問題集

質問 1：
Suppose in a store there are 500 categories and it's increasing as per the need. Let's say your frontend developer asked you to modify the header and include CSS files on some specific category pages based on the custom category attribute selection from backend. What should be the acceptable and easiest way to do this, so that no new file creation and code update will be required after implementation:
A. create a new layout XML file for the category called catalog_category_view_selectable_<Category ID>_CustomLayout.xml
and assign it to the needed categories from backend, and add the layout modification code in it.
B. create a custom layout handle for the category using observer layout_load_after and add the layout modification code
C. create a custom layout handle for the category using observer layout_load_before and add the layout modification code
D. create a new layout XML file for the category called catalog_category_view.xml and add the layout modification code
正解：C

質問 2：
Suppose you want to develope a custom extension that should provide product_redirect_links to amazon.com, ebay.com and other sites. Suppose this must be added using extension_attribute feature to make that availbe for product repository and services, then what are the customizations needed to develope it: Choose 2
A. None of these
B. In your custom module create Setup/InstallSchema.php and add requried product attribute create code and run setup:upgrade.
C. In your custom module, create etc/extension_attributes.xml, and define needed attribute_code under
extension_attributes for="Magento\Catalog\Api\Data\ProductInterface"
D. In your custom module create, etc/di.xml and add plugin code to join product_redirect_links attribute to ProductRepositoryList
<type name="Magento\Catalog\Api\ProductRepositoryInterface">
<plugin name="joinExternalLinksToProductRepositoryList"
type="Magento\ExternalLinks\Model\Plugin\Product\Repository"/>
</type>
正解：C,D

質問 3：
You are working on a project which uses Staging for different entities. You are considering the option to stage and rollback different entities independently. What is the scope of a Staging version in Magento?
A. Group of entities (catalog, customer, cms), which makes only possible to stage and rollback the whole group
B. Table, which makes it possible to stage and rollback the data from each table separately
C. Website, such that all entity values for the website are affected with a stage and rollback
D. Global, such that stage and rollback affect the whole database
正解：D

質問 4：
You are debugging an issue where the staged product custom attribute value is not displayed properly. The attribute backend type is varchar. How does Magento store scheduled values for varchar attributes?
A. By creating a new record in the cataiog_product_entity table with the same entity_id and different rowjd and it creates a new record in the catalog_product_entity_varchar table connected to the new row-id
B. By creating a new table cataiog_product_entity_varchar_<version> where the scheduled attribute value is located
C. By creating a new website called staging_<version and saving the new attribute value for that website in the catalog_produt_entity_varchar table with the same entity_id
D. By creating a new record in the table cataiog_product_entity_varchar with a new row_id connected to the same entity_id
正解：A

質問 5：
A merchant has created a segment that applies to registered customers whose gender is female. You then migrate customers by copying data directly from one database to another. What two ways are used to assign migrated customers with a female gender to the segment?
A. They will be automatically assigned by a cron job at the scheduled time
B. Re-save the customer segment in the Admin
C. Click on the Refresh Segment Data button in the Admin
D. Run bin Mgento index:reinde.\ customer_segment
正解：C,D

質問 6：
You are creating a module that creates a Catalog Price Rule. You have written this code to specify the conditions:

After saving the catalog rule, the second and third condition do not seem to fall under the combine condition.
How do you fix the issue?
A. The array keys are incorrect they need to be 1--1 and 1--2
B. The () operator in the third condition is invalid, which prevents the conditions from being saved correctly
C. The value field in the first condition is changed to "2. 3"
D. The type of the third condition needs to be Magento\CatalogRule\Model\Rule\Condition\Category since you are checking on category_ids
正解：B

質問 7：
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

質問 8：
You are tasked to work on a message queue module. When looking at the queue configuration you see the following:

Keeping in mind maintainability, you change it to:

What will happen?
A. This code will not work as message queue does not allow # wildcard
B. This code will replace all of the different topics as # is the symbol for everything
C. This code will replace only some of the topics
D. This code will cancel all the topic starting with customer
正解：C