You see this code in etc/adminhtml/routes.xml:
<route id="mymodule" frontName="user-subscriptions">
<module name="MyCompany_MyModule" />
</route> You have placed a controller in Controller/Index/Subscribe.php. If you want to create layout XML instructions for this controller, what would be the layout XML's filename?

You have created a new product type, sample, and need to customize how it renders on the shopping cart page. Keeping maintainability in mind, how do you add a new renderer?

You are building an tool that imports products from an ERP. There are 20 columns of additional information that are associated with each product. This extra information must also be associated with an update time to know when to refresh the data. Keeping maintainability in mind, how do you build this into Magento?

What interface should a frontend controllers action implement?

You are making some major adjustments to a core Magento class (ClassA). These adjustments are only necessary when utilized from a specific Magento class (ClassB). You have created MyClass that contains the needed customizations.
Keeping upgradeability in mind, how do you configure di.xml to make the substitution happen?

You are customizing the display of product details page. On this page ur customer need to change the url in which the product category name will be appear as http://mystore.com/women/tops-women/helena-hooded-fleece.html , Keeping ,maintainability in mind ,How to get product url with category?

You need to control access to a custom controller action. How do you tell Magento about this new control option?

You are trying to determine why a product is not appearing in a category. What table does Magento on the frontend to locate the relationship between a category and its products?

How do you instruct Magento to enable a new module?

As you are scanning folder in the vendor/module-catalog directory, you see a directory that is named Ui.
What is this folder's purpose?

You are reviewing a module to some special functionality to the Magento 2 application, You see directory /Console, What task you think in this directory contain script for this modules?

You are reviewing a module to some special functionality to the Magento 2 application, You see directory /CustomerData, What task you think in this directory contain script for this modules?

You are building a new module to add extra functionality to the Magento application.You want to works with CustomerData the data stored on the client side. Where initialized sections Cart and Directory-data are on the server side via the classes ?

Magento and third-party developers can find it difficult to track and report the dependencies that customized extensions have on other extensions. To address these issues, the Magento system introduces service contracts. What is a Service Contracts - Data interfaces ?

You have created a module to show manufacturer-list, but in your page need to show Pagination that already ready in your block. Keeping maintainability in mind, where you call echo $block->getPagerHtml(); ?

You are implementing a customization of the sales management within a module MyCompany_MySalesProcess. You have created several event observers to add the custom functionality. Each observer is a separate class, but they require some common functionality.
How do you implement the common functionality in the event observers, keeping maintainability and testability in mind?

A custom module is performing an optimized custom query for quote items. The class applies the query customizations on the select object of a quote item collection instance.
public function __construct(
\Magento\Quote\Model\ResourceModel\Quote\Item\Collection $collection) {
$this->collection = $collection;
}
public function fetchData() {
$select = $this->collection->getSelect();
... code modifying $select...
return $this->collection->getData();
}
You are tasked to resolve an issue where the query sometimes does not deliver the expected results. You have debugged the problem and found another class is also using a quote item collection and is loading the collection before the custom module. How do you resolve the issue, keeping maintainability in mind

In a custom module you implement the interface \Magento\Framework\App\Config\DataInterface.
/** Configuration data storage @api */
interface DataInterface {
public function getValue($path);
public function setValue($path, $value);
} What version constraint for magento/framework do you add to your module’s composer.json file?

You are building CLI that use the console to create a customer account with our custom command, Adding a new command to CLI is based on passing on the argument from the XML level to the class . Dependency Injection comes in handy here. you create the file app/code/Mycompany/Customer/etc/di.xml with the following content: <type name="---------------------"> </type> What is the correct in below?

You are creating a new indexer which must run after the targetrule_product_rule index process. When you run bin/magento indexer:reindex, your rule always runs first creating inaccurate data. What is the resolution?

You need to render a product attribute’s raw value as a variable in a script tag. This value will be used to initialize an application on the frontend. How do you render this value?

You need to add a new column to the sales_shipment and the sales_shipment_grid tables. Other than utilizing the default addColumn methods, what way is automatic?

You are creating a module that will be sold on the Magento Marketplace. You wish for this module to be easily extensible, and decide to add the capability for other developers to utilize extension attributes. What is the minimum update necessary to enable this capability?

There is a custom extension called MyCompany_MyModule. It has the following layout customization declared in MyCompany/MyModule/view/frontend/layout/default.xml:
<referenceContainer name=”content”>
<block class=”Magento\Framework\View\Element\Template”
name=”my.block”
template=”MyCompany_MyModule::my_template.phtml”
cacheable=”false”/>
</referenceContainer> What will be the result of the customization?