Adobe AD0-E703 問題練習

Question No : 1
What order operation is available in the My Account section in the storefront?

• A.Edit order
• B.Refund
• C.Reorder
• D.Invoice

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Question No : 2
You are trying to determine why a product is not appearing in a category.
What table does Magento on the frontend to locate the relationship between a category and its products?

• A.catalog_category_product
• B.catalog_product_parent
• C.catalog_category_product_index
• D.catalog_category_product_relationship

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Question No : 3
You have loaded an instance of Magento\Catalog\Model\Product in the $product variable. You know that the loaded product has the type configurable with four variations. These variations have the prices: $10, $12, $12, $15.
What will be the result of the $product->getFinalPrice() call?

• A.[10, 12, 15]
• B.10
• C.[10, 12, 12, 15]
• D.15

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Question No : 4
Assume that $collection is a new instance of a class that extends Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection, and $ids is an array of ids.
How do you select a list of records from the database where the record ids are in the $ids list?

• A.Option A
• B.Option B
• C.Option C
• D.Option D

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Question No : 5
A module declares the route:



What is the layout handle of the storefront path /custom/feature/?

• A.mymodule_feature
• B.custom_feature
• C.mymodule_feature_index
• D.custom_feature_index

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Question No : 6
You are working on a project that contains a million SKUs. The merchant has requested the product view page to have a custom color schema and page layout depending on the product price range.
How do you implement this, keeping simplicity in mind?

• A.Create a custom block which will dynamically choose the appropriate template
• B.Specify custom layout update XML in the admin panel for every product
• C.Write a Data Patch which will set the appropriate layout update XML for every product record
• D.Enable the dynamic product page UI component and configure it to use a different layout per price range

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正解:
Explanation:
https://www.rohanhapani.com/magento-2-change-product-view-page-layout-based-on-price/

Question No : 7
You are building a new module to add extra functionality to the Magento application.You want to works with CustomerData the data stored on the client side.
Where initialized sections Cart and Directory-data are on the server side via the classes?

• A.Magento\Checkout\CustomerData\Cart and Magento\Checkout\CustomerData\DirectoryData
• B.Magento\Checkout\Api\Cart and Magento\Checkout\Api\DirectoryData
• C.Magento\Checkout\Block\Cart and Magento\Checkout\Block\DirectoryData
• D.Magento\Checkout\Plugin\Cart and Magento\Checkout\Plugin\DirectoryData

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Question No : 8
You have configured an event observer to watch the checkout_submit_all_after event using this XML:



What is the required class definition for the event observer?

• A.Option A
• B.Option B
• C.Option C
• D.Option D

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Question No : 9
There is a custom extension called MyCompany_MyModule.
It has the following layout customization declared in MyCompany/MyModule/view/frontend/layout/default.xml:
<referenceContainer name=”content”>
<block class=”Magento\Framework\View\Element\Template”
name=”my.block”
template=”MyCompany_MyModule::my_template.phtml”
cacheable=”false”/>
</referenceContainer>
What will be the result of the customization?

• A.All store front pages will be non-cacheable
• B.Only the default landing page will be non-cacheable
• C.my.block on the default landing page only will be cached using ES
• D.my.block on the all store front pages will be cached using ESI

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Question No : 10
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?

• A.etc/frontend.xml
• B.etc/events.xml
• C.etc/config.xml
• D.etc/frontend/events.xml

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Question No : 11
In layout files you can change al element’s order on a page.
This can be done using one of the following:
✑ <move> instruction
✑ before and after element attributes?
How are two methods different?

• A.They are the same, both provide access to the same functionality
• B.Elements are renamed by default when using the move instruction
• C.The move instruction allows altering an element’s parent node
• D.Before and after attributes can only be used with referenceContainer and referenceBlock

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Question No : 12
You are building an tool that imports products from an ERP. There are 20 columns of additional information that are associated with each product. This extra information must also be associated with an update time to know when to refresh the data.
Keeping maintainability in mind, how do you build this into Magento?

• A.Utilize an extension attribute.
• B.Override the Product model and add the fields.
• C.Create a separate model and build code to associate the two record types.
• D.Create 20 EAV attributes and check their updated_at column.

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Question No : 13
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?

• A.etc/webapi_rest/events.xml
• B.etc/adminhtml/events.xml
• C.etc/webapi/rest_events.xml
• D.etc/events.xml

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Question No : 14
You are reviewing a Magento module and see a directory named Service.
What can you determine from this directory’s name?

• A.It is where the API response cache is stored
• B.It is where API-related configuration resides
• C.It is where the module’s service contracts are stored
• D.You need to review the files in this folder to understand its purpose

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Question No : 15
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?

• A.There is no risk posed as long as each event observer specifies a correct sortOrder. Nothing needs to be changed.
• B.Event observers are fired in alphabetical order of the observer name. There is no risk here.
• C.Magento only supports one observer per event. These observers will need to be combined into a single point of customization.
• D.Order of listener execution cannot be guaranteed, resulting in a fragile implementation. This code should be re-worked using plugins

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