magento magento 2 certified associate developer practice test

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. It will clean all caches which will cause a performance degradation
• B. The new attribute will be invisible on the storefront until the cache is cleaned manually
• C. It will void all active sessions
• D. It will clean static assets from the pub/static folder

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.)

• A. Helper/Data.php
• B. etc/config.xml
• C. etc/module.xml
• D. registration.php

How does Magento store customer address attribute values?

• A. Customer address is a flat entity, so all values are stored in the customer_address_entity table
• B. Customer address is not an entity, so its properties are customer attributes
• C. Customer address is an attribute of the customer, so it doesn’t have its own attributes
• D. Customer address is an EAV entity, so all values are stored in the customer_address_entity table and related values tables

You are developing a module and need to add another column to a table introduced by another
module MyCompany_MyModule via db schema.
How do you do that?

• A. Create a etc/db_schema.xml file in your module, add the column and run bin/magento setup:upgrade
• B. Create a etc/db.xml file in your module, add the column and run bin/magento setup:db- schema:upgrade
• C. Run a command: bin/magento setup:db-schema:upgrade <table> <column definition>
• D. Create a etc/db_schema_whitelist.json file in your module, add the column and run bin/magento setup:upgrade

You need to add a new text attribute to all products in the Magento store. When this attribute is
displayed on the product page, its values must be different depending on the selected language.
Keeping simplicity in mind, how do you add this attribute?

• A. Use the Magento CLI to create a new custom attribute, then generate dictionaries for all supported languages
• B. Use a Data Patch to create a new EAV attribute
• C. Add a new column to the catalog_product_entity table using declarative schema
• D. Use the admin panel to create a new extension attribute

A third-party module uses a layout update that changes the template path for a core block from
product/view/addto/compare.phtml
of
the
Magento_Catalog
module
to
custom/view/addto/compare.phtml of your custom module. The merchant has a customized version
of this template in their custom theme.
What is a consequence of this setup?

• A. If the custom module is removed, the custom template will no longer apply
• B. This setup will throw an IllegalStateException
• C. If a preference for the core block is set, the template will no longer apply
• D. If another module is installed which also customizes the same core template, the templates will be rendered sequentially

You are adding a child node to the product.info block using the XML:

How will this block be rendered?

• A. Child block nodes are automatically rendered as HTML
• B. By calling $block->getChildHtml(‘mynewblock’) in the parent block’s template
• C. The layout is invalid since block elements cannot be nested
• D. Automatically if the block class Custom implements the _toHtml method

You are implementing a before plugin in MyCompany_Magic. It will intercept the same method that
MyCompany_Admission is already intercepting using a before plugin: Topmenu::getBlockHtml
Which two actions are required to ensure the new plugin will execute last? (Choose two.)

• A. Include a sortOrder=”20” on the new plugin in MyCompany_Magic’s etc/di.xml file
• B. Configure plugin sequencing for both plugins in MyCompany_Magic’s etc/plugin_sequence.xml file
• C. Set a sortOrder=”10” for MyCompany_Admission’s plugin in MyCompany_Magic’s etc/di.xml
• D. Add MyCompany_Admission as a dependency in MyCompany_Magic’s etc/module.xml file

In the module located at app/code/MyCompany/MyModule there is a JS module in the file
view/frontend/web/register.js. The Magento base URL is https://magento.host/ and the luma theme
with the en_US locate is used.
What is the public URL for this file?

• A. Option https://magento.host/pub/static/frontend//Magento/luma/en_US/MyCompany_MyModule/js/regis ter.js
• B. Option https://magento.host/pub/static/frontend/Magento/luma/en_US/MyCompany_MyModule/register. js
• C. Option https://magento.host/pub/static/frontend/Magento/luma/en_US/MyCompany_MyModule/web/re gister.js
• D. Option https://magento.host/app/code/MyCompany_MyModule/view/frontend/web/register.js

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