What will be the result of calling the save() method on a collection instance?

• A.It will save the select query execution result into the cache
• B.It will loop over all items and call save () on each one
• C.It will save all items with one INSERT ... ON DUPLICATE KEY UPDATE query
• D.It will save the select query to the cache

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A client has asked you to include category url keys in product URLs.
How is this done?

• A.Create an after plugin on \Magento\UrlRewrite\Controller\Router::generateRewrite
• B.Set the configuration value of catalog/seo/product_use_categories to Yes
• C.Create an observer for controller_action_postdispatch_catalog_product_view
• D.This is not possible because products can belong to multiple categories

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You have been asked to display details from the customer's latest order on the customer's account dashboard (customer/account/). You create a new custom template to show the information.
How do you obtain an order repository so you can fetch an order?

• A.In your block, add a method with the following:return
  ObjectManager::getInstance()->get(OrderRepositoryInterface::class);
• B.In your template, add the following:$orderRepository = new OrderRepository();
• C.In your template, add the
  following:$orderRepository=ObjectManager::getInstance()->get(OrderRepositoryInterface::class);
• D.Create a view model and specify an OrderRepositoryInterface argument in the _construct method

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A merchant gives you the module MyCompany_MyModule to install.
How do you identify which REST endpoints are supported by the module?

• A.REST endpoints are declared in etc/webapi_rest/di.xml
• B.REST endpoints are declared in etc/rest.xml
• C.REST endpoints are declared in etc/webapi.xml
• D.Every public method of every interface in the Api folder automatically is exposed as a REST endpoint

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You are adding a new menu item to the admin backend which will link to a custom backend page.
The declaration of the route:

What do you specify as the menu item action attribute value so it links to /admin/mycompany/mymodule/?

• A.It is not possible without extending the adminhtml route in routes.xml
• B.action="admin/mycompany/mymodule/"
• C.action="mycompany/mymodule/"
• D.action="adminhtml/mycompany/mymodule/"

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