QUESTION: 69

How do you set the custom block MyCompany\MyModule\Block\A as a child for the block named product.info using layout XML?

Option A
Option B
Option C
Option D

Answer(s): B

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QUESTION: 70

Your module adds a new controller class which will return a JSON response.
What will be the return type of the execute method?

You should implement a new API endpoint instead of returning JSON from a controller
The string value of \Zend_Json::encode()
An instance of \Magento\Framework\Controller\Result\Json
No return needed, an object that can be converted to JSON must be set as the Response body

Answer(s): C

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QUESTION: 71

You want to remove a column introduced by a third-party extension via declarative schema.
How do you do that?

Create the etc/db_schema.xml file and specify disable="true" on the column
Modify the original etc/db_schema.xml file and remove the column from there
Create a SchemaPatch file and remove the column programmatically
Copy the etc/db_schema.xml file into your module and remove the column from your copy

Answer(s): D

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You are working on a new entity called vendor. You implemented the model, resource model and collection. You want to ensure that standard model events will be fired for your model, so an observer can be created for the events vendor_save_after, vendor_save_commit_after and others.
How do you do that?

Create an entry in etc/di.xml and add the argument eventPrefix with the value of vendor
Declare the $_eventPrefix property in your vendor model and set it to vendor
You must implement all appropriate methods and fire the events manually
Ensure that the primary key in the corresponding table is named vendor_id

Answer(s): B

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Free AD0-E703 Exam Braindumps (page: 18)

QUESTION: 69

QUESTION: 70

QUESTION: 71

QUESTION: 72