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

In a custom module you are adding a new field to the store configuration. The field will set the value for the configuration path mycompany/mymodule/myoption. How do you supply the default value for that configuration option?

A. In the config/default/mycompany/mymodule/myoption node in the etc/config.xml file

B. In the system/mycompany/group/mymodule/field/myoption node in the etc/system.xml file

C. In the menu/default/section/group/field node in the file etc/adminhtml/menu.xml

D. In the system/section/group/field/value node in the etc/adminhtml/system.xml file

While integrating a merchant's product information management system with Magento, you create a module MyCompany_MerchantPim that adds a catalog product EAV attribute pim_entity_id programmatically. In which type of setup script do you create the EAV attribute?

A. Setup/InstallSchema.php

B. Setup/UpgradeSchema.php

C. Setup/InstallEntity.php

D. Setup/UpgradeData.php

Which method of a Magento resource model will remove a record from the database?

A. remove

B. erase

C. clean

D. delete

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 only be visible if a website's default store scope is selected in the system configuration

D. The input field will be disabled if a store view scope is selected in the system configuration