Question 1

A developer is creating a class \Vendor\Module\Model\MyModeL How should that class be defined as transient in di.xml?

Accepted Answer

C

Explanation: To define a class as transient in Magento's di.xml, the correct approach is to set the shared attribute to "false" for that class. This tells Magento's object manager not to use the singleton pattern for this class, meaning a new instance will be created each time the class is requested. This is particularly useful for classes that should not maintain state across different areas of the application or during a single request lifecycle.

Question 2

What is one purpose of a customer data JS library?

Accepted Answer

B

Explanation: The customer data JS library is used to store private customer data in local storage. This data can be used to improve the customer's experience on the store, such as by remembering their shipping address or their preferred payment method. The customer data JS library in Adobe Commerce is used for managing customer data on the client side, such as the shopping cart, comparison list, and wishlist. It does not store sensitive information like credit card details or usernames and passwords. Instead, it utilizes local storage to keep a private data section where customer-specific data is stored securely and accessed via JavaScript, making option B correct.

Question 3

What folder would a developer place a custom patch on an Adobe Commerce Cloud project to have it automatically applied during the build phase?

Accepted Answer

A

Explanation: On an Adobe Commerce Cloud project, a custom patch should be placed in the m2-hotfixes/ directory to have it automatically applied during the build phase. The patches in this directory are applied in alphabetical order and can be used to apply quick fixes to the code that will be included in the build artifact.

Question 4

What action can be performed from the Cloud Project Portal (Onboarding Ul) of an Adobe Commerce Cloud project?

Accepted Answer

C

Explanation: The Cloud Project Portal (Onboarding UI) of an Adobe Commerce Cloud project is a web interface that allows you to perform various actions related to your project, such as creating and managing environments, deploying code, configuring services, and adding users1. One of the actions that you can perform from the Cloud Project Portal is adding a Technical Admin, which is a user role that has full access to all environments and can perform any action on the project2. To add a Technical Admin from the Cloud Project Portal, you need to follow these steps2: Log in to the Cloud Project Portal with your Magento account credentials. Click on the Users tab on the left sidebar. Click on the Add User button on the top right corner. Enter the email address of the user you want to add as a Technical Admin. Select the Technical Admin role from the Role dropdown menu. Click on the Send Invitation button. The user will receive an email invitation to join your project as a Technical Admin. They will need to accept the invitation and set up their account before they can access your project2.

Question 5

What database engine is part of the infrastructure of Adobe Commerce Cloud projects?

Accepted Answer

B

Explanation: The database engine that is part of the infrastructure of Adobe Commerce Cloud projects is MariaDB. MariaDB is a fork of MySQL that offers improved performance, scalability, and security features. The database engine that is part of the infrastructure of Adobe Commerce Cloud projects is MariaDB. Adobe Commerce Cloud is configured to use MariaDB, which is a binary drop-in replacement for MySQL and is chosen for its performance, reliability, and feature set.

Question 6

What is the default store ID for the admin panel?

Accepted Answer

A

Explanation: In Magento, the default store ID for the admin panel is 0. This is used as a fallback mechanism where, if the current store view's ID is not 0, Magento automatically adds 0 as a fallback. This ensures that the admin panel has a unique identifier, differentiating it from the frontend store views, which typically start with IDs higher than 0. This setup is crucial for Magento's multi-store architecture, allowing for distinct configurations and behaviors between the admin and frontend contexts​​.

Question 7

Which Magento project directory is the recommended webroot for the web server?

Accepted Answer

A

Explanation: The Pub/ directory is the recommended webroot for the web server in Magento. This is because it contains all of the static content that is used by the Magento store, such as images, CSS, and JavaScript files. The recommended webroot for the web server in a Magento project is the pub/ directory. This directory is used to access Magento static files and is the safer option for webroot as it minimizes security risks by not exposing the entire application structure to the web​​. The pub/ directory in Magento is designed to be the root directory for web servers. This design choice is intended to enhance security and efficiency by serving static files directly from this location, thereby reducing the need for PHP processing for these files. By setting the webroot to pub/, it ensures that only the necessary files are publicly accessible, protecting the application's core code and structure from external access. This setup is a recommended best practice in Magento development for maintaining a secure and well-organized file system structure​​.

Question 8

A developer defined a new table in db.schema.xml while creating a new module. What should be done to allow the removal of columns from the database when deleting them from db.schema.xml?

Accepted Answer

A

Explanation: If a developer wants to allow the removal of columns from the database when deleting them from db.schema.xml, they need to define the removable columns in the db_schema_whitelist.json file. This file will tell Magento which columns can be removed from the database. To allow columns to be removed from the database when they are deleted from db_schema.xml, they must be listed in the db_schema_whitelist.json file. This file acts as a reference for which database schema elements are safe to modify or delete, providing a safeguard against unintentional data loss during schema updates.

Question 9

Which two methods add sorting to collections inherited from the \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection class? (Choose two.)

Accepted Answer

A, D

Explanation: The two methods that add sorting to collections inherited from the \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection class are setOrder and addOrder. These methods allow adding one or more order clauses to a collection query. The setSorting and addSorting methods do not exist in Adobe Commerce. Verified Reference: [Adobe Commerce Developer Guide - Collections] In Magento 2, collections inherited from \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection class can be sorted using the setOrder and addOrder methods. The setOrder method is used to set the order for a field in the collection, specifying the field by which to sort and the direction of the sorting (ASC or DESC). The addOrder method is similar but allows for adding multiple sorting orders to the collection, enabling more complex sorting scenarios. There are no setSorting or addSorting methods in the standard Magento 2 collection classes.

Question 10

Which is a correct CMS content element in Adobe Commerce?

Accepted Answer

A

Explanation: A widget is a CMS content element that can be used to display dynamic content on a page. Widgets can be used to display things like product reviews, social media feeds, or even custom content. In Adobe Commerce, widgets are a correct CMS content element. Widgets allow merchants to add dynamic data or content blocks to CMS pages, static blocks, and various other locations throughout the store's layout without needing to directly edit the site's code. Options B (Sheet) and C (Image) are not recognized CMS content elements in the context of Adobe Commerce's terminology, making option A the correct answer.

Question 11

Which file should a developer use to set the default value when creating configuration fields for admin?

Accepted Answer

A

Explanation: When creating configuration fields for the admin panel and setting their default values, a developer should use the etc/config.xml file within their module. This file is used to declare default values for the module's configuration options. When Magento is installed or the module is enabled, these values are automatically loaded into the database, under the core_config_data table, setting the initial configuration for the module. This approach ensures that the module has sensible defaults and operates correctly upon installation​​

Question 12

The value of a product attribute in the Adobe Commerce system needs to have a different format before it is displayed. Which attribute model class is responsible for this?

Accepted Answer

A

Explanation: The frontend attribute model class is responsible for formatting the value of a product attribute before it is displayed on the storefront. This class can implement methods such as getValue, getLabel, getInputType, and getOptionText to modify the attribute value. The backend attribute model class is responsible for saving and loading the attribute value to and from the database. The source attribute model class is responsible for providing the list of options for an attribute. Verified Reference: [Adobe Commerce Developer Guide - Attribute models] In Adobe Commerce (Magento 2), the formatting of product attribute values before they are displayed is handled by the attribute's frontend model. The frontend model, typically extending \Magento\Eav\Model\Entity\Attribute\Frontend\AbstractFrontend, is responsible for preparing the attribute value for display in the frontend, including formatting dates, adding pricing structures, and more. The backend model deals with saving and loading attribute data, while the source model provides options for select attributes.

Question 13

A merchant wants to include taxes In an Adobe Commerce store. Which option can have a tax class assigned to it?

Accepted Answer

B

Explanation: According to the Adobe Commerce User Guide, a tax class can be assigned to either a product or a customer group in Adobe Commerce. A product tax class determines how a product is taxed, while a customer tax class determines how a customer is taxed based on their location and group membership. Shipping is considered as a product tax class in Adobe Commerce, and it can be assigned to different shipping methods or rates. The other options are not valid for assigning a tax class. In Adobe Commerce, tax classes can be assigned to products and shipping. Categories, however, do not have tax classes assigned to them directly. Tax classes applied to shipping allow merchants to specify how taxes should be calculated for shipping costs, making option B the correct answer. Orders and categories do not have direct associations with tax classes in the same way products and shipping do.

Question 14

What is the correct way to inject CMS block in a layout?

Accepted Answer

A

Explanation: The correct way to inject a CMS block into a layout in Adobe Commerce is by using the element with the class Magento\Cms\Block\Block and specifying the block identifier through an element with the name "block_id". This is shown in option A. The tag defines the block class and name, and the tag contains child tags for each argument, where the "block_id" argument specifies the identifier of the CMS block to be injected.

Question 15

Which type of product would assist a seller who would like to offer an electronic version of an album for sale and sell each song individually?

Accepted Answer

A

Explanation: The type of product that would assist a seller in offering an electronic version of an album and selling each song individually is a Downloadable product. In Adobe Commerce, a Downloadable product type is specifically designed for selling digital products such as music files, which customers can download. This type of product allows sellers to upload individual songs and sell them separately or as part of a complete album.

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