Online Access Free Magento-2-Certified-Associate-Developer Practice Test

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

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

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

During a code review of a module MyCompany_PaymentCurrencies you see a configuration field declared in the file etc/adminhtml/system.xml:

What is the consequence of the attribute showInStore being set to 0?

• A.The field value will not be accessible on the store front by calling ScopeConfigInterface::getValue() with a $scopeType argument of 'store'.
• B.The input field will not be visible if a store view scope is selected in the system configuration
• C.The input field will be disabled if a store view scope is selected in the system configuration
• D.The input field will only be visible if a website's default store scope is selected in the system configuration

A custom module needs to log all calls of \Magento\Customer\Api\AddressRepositoryInterface::save().
Which mechanism do you use?

• A.An extension attribute configured in the extension_attributes.xml
• 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.A proxy configured to intercept all calls to any public method and log them

How does Magento store customer address attribute values?

• A.Customer address is an attribute of the customer, so it doesn't have its own 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 not an entity, so its properties are customer attributes