Magento Magento 2 Certified Associate Developer Exam Questions

Question 6 of 102

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?

$collection->addFieldToFilter('record_id',['in'=>$ids]); B. Exam Magento 2 Certified Associate Developer: Question 6 - Image 1

$collection->in($ids);

$collection->filterIn($ids);

Correct Answer: A

Question 7 of 102

While reviewing a layout file named sales_order_view.xml you notice the element
<update handle=`customer_account`/>
What is the purpose of this element?

Replaces the customer_account handle with sales_order_view

Nothing, this element has been deprecated

Adds the customer_account handle to the page's handles list

Updates the current page handle to customer_account

Correct Answer: C

Question 8 of 102

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.)

It will clean all caches which will cause a performance degradation

The new attribute will be invisible on the storefront until the cache is cleaned manually

It will void all active sessions

It will clean static assets from the pub/static folder

Correct Answer: B, C

Question 9 of 102

Magento 2's architecture uses code to bootstrap a custom module that resides in app/code.
What two files are required to make a module usable? (Choose two.)

Helper/Data.php

etc/config.xml

etc/module.xml

registration.php

Correct Answer: C, D

Question 10 of 102

How does Magento store customer address attribute values?

Customer address is a flat entity, so all values are stored in the customer_address_entity table

Customer address is not an entity, so its properties are customer attributes

Customer address is an attribute of the customer, so it doesn't have its own attributes

Customer address is an EAV entity, so all values are stored in the customer_address_entity table and related values tables

Correct Answer: D