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To prepare for the exam, Adobe recommends that you have at least two years of experience working with Magento Commerce. You should also familiarize yourself with the exam objectives, which outline the key topics that will be covered on the exam. Adobe provides a range of study materials, including online courses, documentation, and practice exams, to help you prepare for the exam.
NEW QUESTION # 43
You are adding a child node to the product.info block using the XML:
How will this block be rendered?
- A. By calling $block->getChildHtml('mynewblock') in the parent block's template
- B. Child block nodes are automatically rendered as HTML
- C. Automatically if the block class Custom implements the _toHtml method
- D. The layout is invalid since block elements cannot be nested
Answer: A
NEW QUESTION # 44
You are tasked with ensuring customers who log into the site are authorized. By default, this consists of ensuring the customers email and password match the values in the database. On this project, you need to verify additional data in this process.
Keeping in mind upgradeability, how is this done?
- A. Create a before plugin for \Magento\Customer\Api\AccountManagementInterface's authenticate method
- B. Create an event observer for the user_save_after observer
- C. Create a mutation of a CustomerInterface object to intercept the username and password
- D. Override \Magento\Customer\Controller\AccountController.php
Answer: A
NEW QUESTION # 45
You got a notification about error that occurred on a production environment. The merchant gave you the error identifier.
How do you find the error message based on the identifier?
- A. The error is sent to the pre-configured error email with the identifier in the subject
- B. A file with a name matching the identifier is written to the var/report folder
- C. An error message is written to the database table error_log with an error_id field matching the identifier
- D. An error is written to the var/log/exception.log file including the identifier
Answer: A
NEW QUESTION # 46
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. All store front pages are no longer cacheable
- B. FPC will be bypassed for this block and all other page content will be cached
- C. The block will be loaded on the store front using AJAX
- D. FPC will cache the block content for all cacheable pages
Answer: A
Explanation:
Explanation
https://magento.stackexchange.com/questions/103256/how-to-disable-the-cache-for-the-block-in-magento-2
NEW QUESTION # 47
A custom module must make changes to the schema following each setup:upgrade run. This must be done after all other module's schema updates have been applied.
How is this accomplished?
- A. Write a plugin intercepting \Magento\Setup\Model\Installer::handleDBSchemaData
- B. Create a Recurring class which implements InstallSchemaInterface
- C. Update the module's setup_priority in etc/modules.xml
- D. Create an UpgradeSchemaAfter class which implements InstallSchemaInterface
Answer: B
NEW QUESTION # 48
What is the relationship between products and categories in Magento?
- A. Each product always belongs to one category
- B. Each product belongs to zero or one category
- C. Product to category relation is dynamically defined by Catalog Product Rules
- D. Products may be assigned to zero or more categories
Answer: D
NEW QUESTION # 49
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/events.xml
- B. etc/webapi_rest/events.xml
- C. etc/webapi/rest_events.xml
- D. etc/adminhtml/events.xml
Answer: B
NEW QUESTION # 50
Your module adds a new controller class which will return a JSON response.
What will be the return type of the execute method?
- A. You should implement a new API endpoint instead of returning JSON from a controller
- B. The string value of \Zend_Json::encode()
- C. An instance of \Magento\Framework\Controller\Result\Json
- D. No return needed, an object that can be converted to JSON must be set as the Response body
Answer: C
NEW QUESTION # 51
What will be the result of calling the save() method on a collection instance?
- A. It will loop over all items and call save () on each one
- B. It will save all items with one INSERT ... ON DUPLICATE KEY UPDATE query
- C. It will save the select query execution result into the cache
- D. It will save the select query to the cache
Answer: A
NEW QUESTION # 52
What scopes are available for customer attributes?
- A. Website only
- B. Global, Website and Store
- C. Global and Website
- D. Global only
Answer: D
NEW QUESTION # 53
A merchant requires the ability to configure contact information for their brick and mortar stores as a CSV file upload. The module already exists and contains an etc/adminhtml/system.xml file where the new field can be added.
How do you specify the class that will process the uploaded file?
- A. <upload_model>\Magento\Config\Model\Config\Upload\File</upload_model>
- B. <frontend_model>\Magento\Config\Model\Config\Frontend\File</frontend_model>
- C. <backend_model>\Magento\Config\Model\Config\Backend\File</backend_model>
- D. <source_model>\Magento\Config\Model\Config\Source\File</source_model>
Answer: C
NEW QUESTION # 54
You are debugging a problem resulting from a recently deployed around plugin. The plugin is intercepting the doSomething method. The aroundDoSomething plugin method is called successfully, but the original doSomething method is no longer being executed as expected.
What is causing this?
- A. The plugin implementation overlooked using the AbstractPlugin parent class
- B. The plugin implementation returned something other than its callable argument
- C. The plugin implementation is skipping the execution of its callable argument
- D. The sort order of the plugin is too high and supersedes the priority of the intercepted method
Answer: C
NEW QUESTION # 55
What is the connection between product attribute sets and categories?
- A. Each category is linked to a single product attribute set, and only products from that attribute set are allowed in the category
- B. Categories have no connection to product attribute sets, and any product can be assigned to any category
- C. Each category is linked to a single product attribute set, and only products from that category's set or any of its parent categories'
- D. Categories can be connected to multiple product attribute sets, and only products from one of those sets are allowed in the category
Answer: B
NEW QUESTION # 56
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. Resource model
- B. Model
- C. Repository
- D. Helper
Answer: A
NEW QUESTION # 57
You want to remove a column introduced by a third-party extension via declarative schema.
How do you do that?
- A. Create the etc/db_schema.xml file and specify disable="true" on the column
- B. Create a SchemaPatch file and remove the column programmatically
- C. Copy the etc/db_schema.xml file into your module and remove the column from your copy
- D. Modify the original etc/db_schema.xml file and remove the column from there
Answer: C
NEW QUESTION # 58
You added a plugin declaration to MyCompany/MyModule/etc/di.xml:
What will be the effect of this declaration?
- A. An exception because of the syntax error in the declaration
- B. The plugin will be ignored because ActionInterface will never be instantiated directly
- C. The plugin will be applied to all implementors of the ActionInterface
- D. An exception because plugins must not be applied to the interfaces
Answer: C
Explanation:
Explanation
https://stackoverflow.com/questions/62734221/magento2-writing-plugins-for-interface
NEW QUESTION # 59
How many shipping addresses may be selected for an order during the checkout process?
- A. One shipping address per product type is possible
- B. One shipping addresses per unit of quantity is possible
- C. One shipping address per line item is possible
- D. Only one shipping address per order is possible
Answer: D
NEW QUESTION # 60
How can you access the select query of a collection?
- A. You can get it by using public method getSelect() which returns an instance of Magento\Framework\DB\Select
- B. It is stored in a protected variable $query and can only be accessed from the inside of a collection class
- C. The select query is not available in the collection class, it will be generated by the MySQL adapter right before executing a query
- D. You can only access the select query after the collection has been loaded by calling the public method query()
Answer: A
NEW QUESTION # 61
You have to install a new module on the production environment. All the module is adding a new product attribute. You enabled maintenance mode, copied the module code, run bin/magento setup:upgrade and disabled maintenance mode.
What two risks does this process pose? (Choose two.)
- A. The new attribute will be invisible on the storefront until the cache is cleaned manually
- B. It will clean all caches which will cause a performance degradation
- C. It will void all active sessions
- D. It will clean static assets from the pub/static folder
Answer: A,C
NEW QUESTION # 62
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. Event observers are fired in alphabetical order of the observer name. There is no risk here.
- B. Order of listener execution cannot be guaranteed, resulting in a fragile implementation. This code should be re-worked using plugins
- C. Magento only supports one observer per event. These observers will need to be combined into a single point of customization.
- D. There is no risk posed as long as each event observer specifies a correct sortOrder. Nothing needs to be changed.
Answer: B
NEW QUESTION # 63
A module declares the route:
What is the layout handle of the storefront path /custom/feature/?
- A. custom_feature
- B. custom_feature_index
- C. mymodule_feature
- D. mymodule_feature_index
Answer: D
NEW QUESTION # 64
How does Magento store customer address attribute values?
- A. Customer address is not an entity, so its properties are customer attributes
- B. Customer address is a flat entity, so all values are stored in the customer_address_entity table
- C. Customer address is an EAV entity, so all values are stored in the customer_address_entity table and related values tables
- D. Customer address is an attribute of the customer, so it doesn't have its own attributes
Answer: C
NEW QUESTION # 65
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The Adobe AD0-E702 certification exam is designed to test the knowledge and skills of professionals who wish to become Adobe certified professionals in Magento Commerce development. This exam is intended for developers with experience in Magento Commerce who want to prove their proficiency in working with the platform. The exam covers a wide range of topics, including Magento Commerce architecture, module development, customizations, and more.
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