Adobe AD0-E716 Exam Prep Guide Prep guide for the AD0-E716 Exam [Q16-Q39]

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Adobe AD0-E716 Exam Prep Guide: Prep guide for the AD0-E716 Exam

2026 New Preparation Guide of Adobe AD0-E716 Exam

Adobe AD0-E716 Exam Syllabus Topics:

Topic	Details
Topic 1	Demonstrate knowledge of how routes work in Adobe Commerce Describe how to use patches and recurring set ups to modify the database
Topic 2	Demonstrate the ability to add and customize shipping methods Demonstrate a working knowledge of cloud project files, permission, and structure
Topic 3	Build, use, and manipulate custom extension attributes Describe the capabilities and constraints of dependency injection
Topic 4	Demonstrate the ability to update and create grids and forms Demonstrate the ability to use the configuration layer in Adobe Commerce
Topic 5	Demonstrate knowledge of Adobe Commerce architecture environment workflow Demonstrate understanding of cloud user management and onboarding UI
Topic 6	Identify how to access different types of logs Demonstrate understanding of branching using CLI
Topic 7	Explain the use cases for Git patches and the file level modifications in Composer

QUESTION 16
An Adobe Commerce developer is tasked to add a file field to a custom form in the administration panel, the field must accept only .PDF files with size less or equal than 2 MB. So far the developer has added the following code within the form component xml file, inside the fieldset node:

How would the developer implement the validations?
A)
Add the Validations Within the HyVendorMyModuleControllerAdminhtmlCustomEntityUploadPdf Controller

B)
Add a virtual type forMyvendorMyModuieModeicustomPdfupioader specifying the aiiowedExtensions and the maxFiiesize for the constructor, within the module’s di.xmi:

C)
Add the following code inside the<settings> node:

Option A

Option B

Option C

QUESTION 17
Which hashing algorithm will Adobe Commerce choose to hash customer passwords?

If the Sodium extension is installed, SHA256 will be chosen, otherwise MD5 will be used as the Magento default hashing algorithm.

If the Sodium extension is installed, Argon 2ID13 will be chosen, otherwise SHA256 will be used as the Magento default hashing algorithm.

It does not matter if the Sodium extension is installed or not, the Magento hashing default algorithm will be SHA256.

QUESTION 18
A merchant is experiencing performance issues on integration environments of their Adobe Commerce Cloud Pro plan and wants to upgrade to Enhanced Integration Environments.
What are the steps necessary prior to redeploying in order to upgrade to Enhanced Integration Environments?

1. Limit the number of Integration branches to two
2. Submit a support ticket requesting the upgrade

1. Limit the number of Integration branches to three
2. Set the ENV.ENVIRONMENT in .magento.env.yaml to ENHANCEDJNTEGRATION

1. Limit the number of Integration branches to four
2. Configure integration environments in the cloud GUI and set the Enhanced switch to On

QUESTION 19
An Adobe Commerce Cloud developer wants to be sure that, even after transferring database from Production to Staging, the payment configurations are still valid on the Staging environment.
What does the developer need to add to be sure that the configurations are always properly set?

Lines in the dedicated core_conf ig_data_stg table.

Project level environment variables.

Environment level environment variables.

QUESTION 20
An Adobe Commerce developer was asked to provide additional information on a quote. When getting several quotes, the extension attributes are returned, however, when getting a single quote it fails to be returned.
What is one reason the extension attributes are missing?

The developer neglected to add coiiection=”trueM to their attribute in etc/extension_attributes.xmi file.
O
ottribute code=”my_attributesM type=”MyVendorMyModuleApiData^AttributeInterface[]M collection=”true” />

The developer neglected to provide a plugin On HagentoQuoteApiCartRepositoryInterface: :get.

The developer neglected to implement an observer on the coiiection_ioad_after event.

QUESTION 21
The di. xml file of a module attaches two plugins for the class Action.
The PluginA has the methods: beforeDispatch, aroundDispatch, afterDispatch. The PluginB has the methods:
beforeDispatch, afterDispatch.

The around plugin code is:

What would be the plugin execution order?

QUESTION 22
An Adobe Commerce Cloud merchant has been experiencing significant downtime during production deployment. They have already checked that the application is in ideal state.
In addition to the configuration of the SCD.MATRIX variable to reduce amount of unnecessary theme files, what would be the next steps to reduce the downtime?

1. Check SCD is configured under the build phase.
2. Increase the SCD.THREADS to speed up the build process.

1. Check SCD is configured under deploy phase.
2. Decrease the SCD.THREADS to speed up the build process

1. Check SCD is configured under the build phase.
2. Check if Adobe Commerce Cloud automatically adjusts SCD.THREADS.

QUESTION 23
A Project Architect needs to add a new developer who needs to be able to push code in an Adobe Commerce Cloud project. No integration with a third-party repository provider is setup.
What two actions would be required to ensure the developer has access? (Choose Two.)

The developer’s SSH public key must be added into a file named ~/.ssh/authorized_keys

The developer needs to add SSH public key in the Cloud Account dashboard settings

The developer’s email must be added under Users in the Cloud Project Web Ul

The Adobe Commerce admin user must be created and the developer’s SSH public key must be added on their local system

QUESTION 24
An Adobe Commerce developer successfully added a new column to the customers grid. This column needs the data to be formatted before showing its content in the grid.
According to best practices, how would the developer add the custom logic to render the column?

1. Create an after pluginforMagentoUiComponentListingColumnsColumn::prepareColumn().
2. Add the custom logic within the afterPreparecoiumn method.

1. Create a custom class extending flagentoUiComponentListingColumnsColunm.
2. Add the custom logic within the prepareDataSource method.
3. Add an attribute class to the column node within the module’s customer_listing.xml.

1. Override the MagentoCustomerUiComponentDataProvider Class using a preference.
2. Override the getData() method and add the custom logic per row.

QUESTION 25
Which hashing algorithm will Adobe Commerce choose to hash customer passwords?

If the Sodium extension is installed, Argon 2ID13 will be chosen, otherwise SHA256 will be used as the Magento default hashing algorithm.

It does not matter if the Sodium extension is installed or not, the Magento hashing default algorithm will be SHA256.

If the Sodium extension is installed, SHA256 will be chosen, otherwise MD5 will be used as the Magento default hashing algorithm.

QUESTION 26
An Adobe Commerce developer has been asked to modify the PageBuilder slider content type to allow a new custom content type (other than slide) to be assigned as a child. The developer has already created the new content type called improved_slide in their module. They now need to create a new view/adminhtml/pagebuilder/content_type/slider. xml file in their module to allow the new content type to be a child of slider content types.
What is the correct xml to accomplish this?

QUESTION 27
During database migration in the Adobe Commerce Cloud integration environment, a developer experienced a disk space error causing the database import to fail.
How would the developer fix this issue?

Increase the disk space of the database service.

Add a new database node and enable split database.

Change the database engine to PostgreSQL that has no disk space limit.

QUESTION 28
The developer is required to convert a modules database scripts from old install/upgrade setup files to a data patches format and does not want to apply database changes that were already done by install/upgrade scripts.
The current module version is 1.5.4.
What would be the recommended solution to skip changes that were already applied via old format (install
/upgrade scripts)?

Implement Patchversioninterface and return 1.5.4 on the getversion() method.

Inside apply() method, check for module version and run the code if version is less than 1.5.4.

This is not possible. A module cannot implement both data patch and install scripts.

QUESTION 29
On an Adobe Commerce Cloud platform, in which order does the ECE-Tools package apply patches?

1. All required Magento patches included in the Cloud Patches for Commerce package.
2. Custom patches in the /m2-hotfixes directory in alphabetical order by patch name.
3. Selected optional Magento patches included in the Quality Patches Tool.

1. All required Magento patches included in the Cloud Patches for Commerce package.
2. Selected optional Magento patches included in the Quality Patches Tool.
3. Custom patches in the /m2-hotfixes directory in alphabetical order by patch name.

1. Custom patches in the /m2-hotfixes directory in alphabetical order by patch name.
2. All required Magento patches included in the Cloud Patches for Commerce package.
3. Selected optional Magento patches included in the Quality Patches Tool.

QUESTION 30
An Adobe Commerce developer has created a process that exports a given order to some external accounting system. Launching this process using the Magento CLI with the command php bin/magento my_module:order:
process –order_id=<order_id> is required.
Example: php bin/magento my_module:order:process –order_id=1245.
What is the correct way to configure the command?

QUESTION 31
An Adobe Commerce developer is asked to implement a 15% surcharge for all users from a ‘Wholesale’ customer group. Keeping best practices in mind, what is a correct to accomplish this?

Declare a new total collector class to calculate the modified total if the current user is in the group, register it in the module’s etc/sales .xml file, modify the checkout_cart_index.xml and checkout_index_index.xml layouts to include a new child in the totals block.

Create a Cart Price Rule that applies only to the ‘Wholesale’ group. Specify no conditions for the rule, and in the Actions section, specify for the rule to apply a “Percent of product price discount”, with the ‘Discount Amount” field set to -15.

Create an Observer to the cataiog_product_get_final_price event. Check if the current customer is in the ‘Wholesale’ group, and if so, retrieve the

QUESTION 32
The di. xml file of a module attaches two plugins for the class Action.

The around plugin code is:

What would be the plugin execution order?

QUESTION 33
An Adobe Commerce developer is tasked to add a file field to a custom form in the administration panel, the field must accept only .PDF files with size less or equal than 2 MB. So far the developer has added the following code within the form component xml file, inside the fieldset node:

How would the developer implement the validations?
A)
Add the Validations Within the HyVendorMyModuleControllerAdminhtmlCustomEntityUploadPdf Controller

B)
Add a virtual type forMyvendorMyModuieModeicustomPdfupioader specifying the aiiowedExtensions and the maxFiiesize for the constructor, within the module’s di.xmi:

C)
Add the following code inside the<settings> node:

Option A

Option B

Option C

To add file upload validation for a custom form field in the Adobe Commerce admin panel, which should restrict the file type to .pdf and limit the file size to 2 MB, the recommended approach is to include the validation parameters directly within the <settings> node in the form’s XML configuration. This ensures that the validation occurs on the client-side as well as server-side, providing immediate feedback to users before submission.
Option C is correct for the following reasons:
* Adding Validation Inside <settings>:By placing the <allowedExtensions> and <maxFileSize> tags within the <settings> node of the XML configuration, the system will enforce these restrictions directly within the form component. This method leverages Magento’s built-in support for validation settings, which ensures that only files matching the specified criteria (.pdf files of 2 MB or smaller) are accepted by the form.
* Explanation: Magento UI components allow for client-side validation through the <settings> node, where attributes such as allowedExtensions and maxFileSize are used to control file upload constraints. This approach not only validates the file size and type but also integrates seamlessly with Magento’s front-end validation mechanisms.
* References: Magento’s documentation on UI components highlights how to enforce file type and size restrictions through XML configurations within <settings>, making it the standard and most efficient solution for this task.
* Alternatives and Limitations:
* Option A: Adding validation within the controller (UploadPdf) can provide additional server- side validation, but this does not prevent the user from selecting invalid files in the first place.
Server-side validation alone lacks the user experience enhancement provided by client-side feedback.
* Option B: Configuring a virtual type in di.xml for validation (e.g., setting allowedExtensions and maxFileSize within a custom uploader model) is effective for backend processing but is not as straightforward for direct form validation within the admin UI. It complicates the implementation by requiring custom backend logic where native XML validation can suffice.
Option C provides a straightforward, maintainable, and user-friendly way to implement file validation directly in the form configuration. It reduces the need for custom controller or model logic and leverages Magento’s built-in form handling capabilities.

QUESTION 34
An Adobe Commerce developer is being tasked with creating a new cron job to run a method that has already been written. What are the minimally required steps to accomplish this?

Create a crontab.xmi file and a new system configuration in system.xmi for the schedule.

Create crontab.xmi and cron_groups.xmi files to assign the new job to a cron group.

Create a crontab.xmi file and set a schedule for the new cron job.

QUESTION 35
An international merchant is complaining that changes are taking too long to be reflected on the frontend after a full product import.
Thinking it may be database issues, the Adobe Commerce developer collects the following entity counts:
* Categories: 900
* Products: 300k
* Customers: 700k
* Customer groups : 106
* Orders: 1600k
* Invoices: 500k
* Creditmemos: 50k
* Websites : 15
* Stores : 45
What is a probable cause for this?

The combination of the number of products, categories and stores is too big. This leads to a huge amount of values being stored in the flat catalog indexes which are too large to be processed at a normal speed.

The combination of the number of orders, customers, invoices and creditmemos is too big. This leads to a huge amount of values being stored in the customer grid index which is too large to be processed at a normal speed.

The combination of the number of products, customer groups and websites is too big. This leads to a huge amount of values being stored in the price index which is too large to be processed at a normal speed.

QUESTION 36
What are two ways to access the PHP error logs on Adobe Commerce Cloud? (Choose Two.)

Use the dedicated command from Cloud CLI for Commerce.

Navigate to the dedicated entry in the Project Web Interface.

Connect to the the servers via SSH and localize the log files.

Use the Adobe Admin Log application.

QUESTION 37
An Adobe Commerce developer is creating a new module to extend the functionality of the cart. The module is installed in app/code/CompanyName/ModuleName/.
How would an Adobe Commerce developer extend the existing CartltemPrices GraphQL schema to include a custom base_price field?

Create and Configure a <prefffrence> for HagentoQuoteGraphQlModelResolverCartItemPrices that adds the base_price field in the resolve() function.

Add the following to the module’s etc/schema.graphqis file:

C)
Add the following to the module’s etc/graphqi/di.xmi file:

Option A

Option B

Option C

QUESTION 38
On an Adobe Commerce Cloud platform, at what level is the variable env: composer_auth located in the Project Web Interface?

In the Environment-specific variables.

In the Integration variables.

In the Project variables.

QUESTION 39
An Adobe Commerce developer is trying to create a custom table using declarative schema, but is unable to do so.

What are two errors in the snippet above? (Choose two.)

Column (roll_no) does not have index. It is needed since attribute identity is set to true.

Column (entity_id) does not have index. It is needed since attribute identity is set to false.

Column (student_name) does not have attribute length.

null is not a valid value for column (roll_no).

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Adobe AD0-E716 Exam Prep Guide Prep guide for the AD0-E716 Exam [Q16-Q39]