Question 1

You have created a new gateway payment method. You configured the command pool in a di. xml file and added the MyCompany\MyModule\Gateway\Command\Sale command with the name sale to it. Your Sale command extends the Magento\Payment\Gateway\Command\GatewayCommand class.

You have also created a payment_action option in the system configuration and set the value to authorize_capture.

You found the sale command is never called when placing an order.

Which action will fix the problem?

AThe SaleCommand Class has to extend the \Magento\Payment\Gateway\Command\SaleCommand Class

BThe command name has to be changed to capture

CThe sale command has to be registered in the etc config. xml as sales_model for a payment method

DThe payment action has to be changed to sale

Answer : C

Question 2

You are implementing a custom module MyCompany_MyModule which displays a new link in the Action column in the Orders grid. The purpose of this link is to synchronize the order summary data with an ERP system. You must make permissions to use this link manageable with the Magento ACL.

Which two steps are required to do this?

AAdd a plugin On \Magento\Sales\Ui\Component\Listing\Column\ViewAction: :prepareDataSource to add link and Check permission

BAdd the configuration of the new link with aclResource value for the sales_order_grid. xmi

CAdd a controller MyCompany\MyModule\Controller\Adminhtml\Synchronize\Orders and specify a valid value for the ADMIN_REROURCE Constant

DAdd a plugin on the grid\Magento\Framework\view\Eiement\UIComponent\DataProvider\DataProvider to add the link and check permissions

Answer : B, C

Question 3

You are working on a new feature to allow multiple vendors for various products. To display vendors you add a custom fieldset component and select with the name myCompanyVendors. It will be shown if the number of vendors is more than one.

To do this you implement a custom method on your component:

How do you cause the method to be called when the value of options change?

AOption A

BOption B

COption C

DOption D

Answer : B

Question 4

You are working on a project with a large database with many products, sales rules and CMS pages. The merchant is going to use Magento_Staging for scheduled updates, but they were told that use of Staging will modify all SQL queries and slow down website performance.

What modification does Magento_Staging make to existing SQL queries?

AIt creates a copy of the staged table with the staged data and joins the new table to replace original values with the staged ones

BEvery query which uses staged entities will have an additional join to the staging_update table filtered by the current version

CMagento.staging does not modify any existing queries so it has no additional impact

DFor every query that uses staged entities it adds an additional were statement to filter a row by the current version

Answer : D

Question 5

You have created a custom block MyCompany MyModule/Block/Product/Update/ php. Which two approaches allow you to set a template to your block?

ACreate protected variable $_template

BCreate template view /frontend/template/product/update, phtml

CConfigure block's constructor $template parameter via di. xml

DAdd an argument node in layout xml: ...