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Adobe AD0-E709 Exam Information
Time Duration: 120 minutes
No. of Questions: 50 questions
Languages: English
Format: Multiple choice
The passing score: 30/50
NEW QUESTION 95
An Adobe Commercedeveloper is working on an Acme_Exceptions module which is supposed to overwrite logic inside some of Magento native exceptions such as
\Magento\Frame-work\Exception\NoSuchEntityException
or\Mogento\Framwork\GraphQ1\Exception\GrephQlInputException , The module is open-source and will be available on packagist.org.
The build of the codebase of projects, including the module, will sometimes take place in docker containers with full access to filesystem. but then it is deployed to a read-only filesystem.
Which two approaches would the developer use to overwrite logic in those exceptions? (Choose two.)
- A. 1. Create a version of those exceptions inside the module using new namespace, e.g.
\Acme\Exceptions\Exception\NoSuchEntityException .
2. Create a di.xmi file inside of the module and use <preference> to make the system use own versions instead of native versions. - B. 1. Create a version of those exceptions inside the module using the original namespaces and Classes, e.g. \Magento\Framework\Exceptioin\NoSuchEntityException .
2. Use composer's scripts > post-install-and and scripts > post-update-cmd nodes to copy those exceptions to their original destinations like vendor/Magento/framework/exception/ to replace original files. - C. 1. Create a version of those exceptions inside the module using the original namespaces and classes, e.g.
\Magento\Framewrk\Exception\NoSuchEntityException .
2. Use composer's extra > nap node to copy those exceptions to their original destinations like vendor/Magento/framework/exception/ to replace original files. - D. 1. Create a version of Those exceptions inside the module using the original namespaces and classes, e.g. \Magento\Framework\Exception\NoSuchEntityException .
2. Create a data patch copying those exceptions to their original destinations like vendor/magento/ framework /except Ion/ to replace original files.
Answer: A,C
NEW QUESTION 96
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?
- A. Using categories, with each ring size as a separate product
- B. Using custom options, with rings as simple products
- C. Using custom options, with rings as bundle products
- D. Using configurable products, with ring size as an attributive value
Answer: B
NEW QUESTION 97
An Adobe Commerce developer is asked to restrict access onboth the admin menu item Custom_Reports:
:Financial and the admin pagecustomreport/financial/index attached to the menu. The developer has added the resource Customreports/financial in etc/ael.xml. and the following code on etc/adninhtml/nenu.xml :
Given that const ADMIN_RESOURCE was NOT set on the controller of customreports-financial/index and the secret key is not enabled in the URL which users can access the page?
- A. Only admin users with Custom_Reports::financial resource access.
- B. All admin users.
- C. Only admin users with ALL resources access.
Answer: A
NEW QUESTION 98
As you are scanning folder in the vendor/module-catalog directory, you see a directory that is named Ui.
What is this folder's purpose?
- A. It contains templates, CSS and JS pertinent to the module.
- B. It is not a normal folder and further investigation is necessary to determine the purpose.
- C. It contains UI component data providers and component information.
- D. It contains the block PHP files that render HTML onto the frontend.
Answer: C
NEW QUESTION 99
You are building a report using complex SQL aggregations to locate the required data.
In what type of class do you put these SQL statements?
- A. Model
- B. Resource model
- C. Repository
- D. Helper
Answer: B
NEW QUESTION 100
You are creating a module that will be sold on the Magento Marketplace. You wish for this module to be easily extensible, and decide to add the capability for other developers to utilize extension attributes.
What is the minimum update necessary to enable this capability?
- A. Ensure each model extends Magento\Framework\Model\AbstractExtensibleModel.
- B. Configure your models in etc/extension_attributes.xml
- C. Add the getExtensionAttributes() method and implement ExtensionAttributesInterface in each model.
- D. Create an ExtensionAttributeInterface for each model.
Answer: C
NEW QUESTION 101
A custom module is performing an optimized custom query for quote items.
The class applies the query customizations on the select object of a quote item collection instance.
You are tasked to resolve an issue where the query sometimes does not deliver the expected results. You have debugged the problem and found another class is also using a quote item collection and is loading the collection before the custom module.
How do you resolve the issue, keeping maintainability in mind?
- A. You inject \Magento\Framework\DB\Select instead of the collection and perform the desired query independently of the collection.
- B. You inject \Magento\Quote\Api\CartItemRepositoryInterface because low level query customizations are not allowed.
- C. You change the argument type to\Magento\Quote\Model\ResourceModel\Quote\Item\CollectionFactory and instantiate the collection using $collectionFactory->create();
- D. You remove the constructor argument and use ObjectManager::getInstance()->create(\Magento\Quote\Model\ResourceModel\Quote\Item\Collection::class) to instantiate the collection instead.
Answer: C
NEW QUESTION 102
You are developing a module and need to add another column to a table introduced by another module MyCompany_MyModule via db schema.
How do you do that?
- A. Run a command: bin/magento setup:db-schema:upgrade <table> <column definition>
- B. Create a etc/db.xml file in your module, add the column and run bin/magento setup:db-schema:upgrade
- C. Create a etc/db_schema_whitelist.json file in your module, add the column and run bin/magento setup:upgrade
- D. Create a etc/db_schema.xml file in your module, add the column and run bin/magento setup:upgrade
Answer: D
NEW QUESTION 103
A custom module needs to log all calls of \Magento\Customer\Api\AddressRepositoryInterface::save().
Which mechanism do you use?
- A. A proxy configured to intercept all calls to any public method and log them
- B. An observer on the customer_address_repository_save event, which is automatically fired for every repository save
- C. A plugin declared for the save() method
- D. An extension attribute configured in the extension_attributes.xml
Answer: C
NEW QUESTION 104
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 ESI.
- D. my.block on the all store front pages will be cached using ESI
Answer: A
NEW QUESTION 105
You have been given the task of importing products from an external source. You decide to create a custom module to do this. The class handling the import creates a product for each record, sets the data on it and saves it to the database.
What do you inject into a constructor to represent each product you create?
- A. \Magento\Catalog\Api\Data\ProductInterfaceFactory
- B. \Magento\Catalog\Model\Product
- C. \Magento\Catalog\Api\Data\ProductInterface
- D. \Magento\Catalog\Model\ProductBuilder
Answer: A
NEW QUESTION 106
You are updating a module to add extra functionality to the Magento application, Where would Magento look for modules?
- A. app/code/VendorName/ModuleName
- B. lib/vendor-name/module-name
- C. vendor/vendor-name/module-name
- D. app/vendor/vendor-name/module-name
Answer: A,C
NEW QUESTION 107
A Magento industry partner shipping provider has tasked you to build their integration module called MyCompany_ShippingProvider.
Where do you define the class that provides options for the select field that enables or disables the provider in the file etc/adminhtml/system.xml?
- A. <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
- B. <backend_model>Magento\Config\Model\Config\Backend\Yesno</backend_model>
- C. <frontend_model>Magento\Config\Model\Config\Frontend\Yesno</frontend_model>
- D. <option_model>Magento\Config\Model\Config\Option\Yesno</option_model>
Answer: A
NEW QUESTION 108
An Adobe Commerce developer added a new API method to search and retrieve a list of Posts for a custom Blog functionality. This is the content of the module's etc/webapi.xml file:
The new code has been deployed to production and the merchant is using https:
//merchant.domain.com/swagger to review the new endpoint, but it is not visible in swagger.
What would be a reason for this?
- A. The @return annotation is missing in the MyVendor\Blog\Api\Post Repositoryinterfacec
- B. Since the new endpoint is not anonymous, the merchant needs to enter a valid integration token in swagger in order to see the new method.
- C. The webapi.xml file should be moved into the etc/webapi_rest/webapi.xml file.
Answer: C
NEW QUESTION 109
You want to remove a column introduced by a third-party extension via declarative schema.
How do you do that?
- A. Create a SchemaPatch file and remove the column programmatically
- B. Copy the etc/db_schema.xml file into your module and remove the column from your copy
- C. Modify the original etc/db_schema.xml file and remove the column from there
- D. Create the etc/db_schema.xml file and specify disable="true" on the column
Answer: B
NEW QUESTION 110
The constructor function for \Magento\Catalog\Model\Category contains this excerpt:
With the automatic dependency injection that Magento provides, how is the StoreManagerInterface resolved?
- A. Magento looks to the di.xml files in the entire system for a preference node for \Magento\Store\Model\StoreManagerInterface. This class is constructed and injected
- B. If no $storeManager is provided, Magento's code generator creates a shell concrete class based on \Magento\Store\Model\StoreManagerInterface
- C. Magento finds all classes that implement \Magento\Store\Model\StoreManagerInterface (ordered alphabetically) and injects the first class.
- D. Magento throws an exception because you cannot instantiate an interface
Answer: A
NEW QUESTION 111
You have created a new block and will be adding this block on every page. The block contains user-specific information and cannot be cached.
The block is added to the default.xml with:
What does this accomplish?
- A. FPC will be bypassed for this block and all other page content will be cached
- B. FPC will cache the block content for all cacheable pages
- C. The block will be loaded on the store front using AJAX
- D. All store front pages are no longer cacheable
Answer: D
NEW QUESTION 112
You need to add a new column to the sales_shipment and the sales_shipment_grid tables. Other than utilizing the default addColumn methods, what way is automatic?
- A. On the ModuleDataSetupInterface, call $setup->getSales()->addColumn().
- B. Ensure your UpgradeSchema class extends CoreSetup and call $this->addSalesColumns().
- C. On the default EavSetup class, utilize the addColumn method.
- D. Utilize the SalesSetup class' addAttribute method.
Answer: D
NEW QUESTION 113
Which two ways does Magento persist category relationships in the database? (Choose two.)
- A. Using slash-separated values in the path field
- B. Using comma-separated values in the parent-ids field
- C. in the table catalog_category_index
- D. in the parent_id field
Answer: C,D
NEW QUESTION 114
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.)
- A. Storefront login
- B. System configuration sections
- C. Adminhtml controllers
- D. Webapi resources
- E. CLI Commands
Answer: B,C,D
NEW QUESTION 115
An Adobe Commerce Developer is tasked with writing an importer for a custom entity. After the work is complete and deployed, they start receiving complaints from their client that the importer does not work and fails every time they use it.
The developer realizes that the client is importing a file which does not match the format required for the importer to process correctly.
What two features would the developer add to this importer to prevent this? (Choose two.)
- A. Set up an example file and inject it into the ExampleFileProvider .
- B. Set up validation by implementing a validateRow method in their importer.
- C. Set up a try/catch in the importer to display a warning the file is not in the correct format.
- D. Set $needColumnCheck = true; and add column names to the $validColumnNames class properties.
Answer: B,D
NEW QUESTION 116
Which two techniques can be used to protecta storefront POST action againstCross Site Request Forgery (CSRF) attacks? (Choose two.)
- A. The action needs to implement \Magento\Framework\App\ActionvHttpPosTActioninterface to trigger built-in CSRF validation.
- B. The form sending data to that action needs to include a form_key parameter with a valid form key which will automatically be used in a built-in CSRF validation.
- C. The form sending data to that action needs to include a fornjtey parameter with a valid form key and the action must instantiate \Manento\Framwork\Data\ForumKey\Formkey\Validator validate it.
- D. The action needs to implement \Mgento\Framework\App\CSrfAwareActioninterface and include the validateForCsrf method implementing the actual protection logic.
Answer: A,D
NEW QUESTION 117
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