Adobe AD0-E704 問題集

質問 1：
While reviewing a module you found an upgrade script with the code:

What two actions will be done by the SalesSetup: :addAttribute method?
A. The sales_order_grid table is altered with a new field custom_attribute
B. The custom_attribute IS added to the order_eav_attribute table
C. The sales_ordor table is altered with a new field custom_attribute
D. The custom_attribute added to the eav_attribute table
正解：B,C

質問 2：
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 3：
Magento uses the HTTPOnly flag when setting cookies for security reasons. There is also a system configuration setting available in the Cookie Settings to turn it on and off. What is the purpose of this flag?
A. To prevent Cross Site Tracing (XST) attacks
B. To prevent cookies from being delivered over HTTPS
C. To prevent cookies from being intercepted via a CSRF attack
D. To prevent cookies from being accessible via JavaScript
正解：D

質問 4：
Suppose in the product rest API in Magento, you added a new attribute. But this attribute can be accessed by API consumers only when they have access permission. How do you create the attributes following the above condition:
A. New attributes must be created by extending the product API interface, to restrict access using ACL.
B. New attributes must be created as custom_attribute to restrict the access using ACL
C. We can't create access permission for REST API, it's only applicable for entity and repository.
D. New attribute must be created as extension_attribute to restrict the access using ACL
正解：D

質問 5：
You have created a custom block MyCompany MyModule/Block/Product/Update/ php. Which two approaches allow you to set a template to your block?
A. Configure block's constructor $template parameter via di. xml
B. Add an argument node in layout xml: <argument name="template" xsi: type="string">... </argument>
C. Create protected variable $_template
D. Create template view /frontend/template/product/update, phtml
正解：A,D

質問 6：
Suppose you need to add an admin grid using uiComponent. if page URL ends with banners/index/index, then which basic uiComponent you would use and what should be the page layout file:
A. We can not define uiComponent file in a page-layout file.
B. Grid component in the banner_index_index.xml
C. Listing component in the banner_index_index.xml
D. Form component in the banner_index_index.xml
正解：C

質問 7：
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 8：
You are working on a new feature to allow multiple vendors for various products. To display vendors you add a custom fieldset component and select with the name myCompanyVendors. It will be shown if the number of vendors is more than one.
To do this you implement a custom method on your component:

How do you cause the method to be called when the value of options change?
A)

B)

C)

D)

A. Option A
B. Option C
C. Option D
D. Option B
正解：D