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AD0-E716 Cert & Trustworthy AD0-E716 Source

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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

Build, use, and manipulate custom extension attributes
Describe the capabilities and constraints of dependency injection

Topic 3

Demonstrate the ability to create new APIs or extend existing APIs
Demonstrate the ability to manage Indexes and customize price output

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 the ability to use the queuing system
Demonstrate understanding of updating cloud variables using CLI

Topic 6

Demonstrate the ability to add and customize shipping methods
Demonstrate a working knowledge of cloud project files, permission, and structure

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Adobe Commerce Developer with Cloud Add-on Sample Questions (Q28-Q33):

NEW QUESTION # 28
An Adobe Commerce developer is creating a module (Vendor.ModuleName) to be sold on the Marketplace.
The new module creates a database table using declarative schema and now the developer needs to make sure the table is removed when the module is disabled.
What must the developer do to accomplish this?

A. There is nothing further the developer needs to do. The table will be removed when the module is disabled and bin/magento setup:upgrade is run.
B. Add a schema patch that implements MagentoFrameworksetupPatchPatchRevertabieinterface and drops the table in the revert function.
C. There is nothing further the developer needs to do. The table will be removed when the when bin
/magento module:uninstall vendor_ModuleName is run.

Answer: A

Explanation:
When you disable a module, Magento removes all of its declarative schema changes from the database the next time you run bin/magento setup:upgrade." This means that when the developer disables the module and runs setup:upgrade, Adobe Commerce will automatically handle the removal of the database table created by the module's declarative schema.
For reference, here are some key points from the documentation:
* [Disable a Module](https://x.com/i/grok?text=Disable%20a%20Module) - This section explains how Magento handles the database schema when a module is disabled.
* Declarative Schema Configuration - Provides an overview of how declarative schema works, including its behavior when modules are disabled or uninstalled.
Therefore, based on the official Adobe Commerce documentation, the correct action for the developer is to do nothing further beyond disabling the module and running bin/magento setup:upgrade. Magento will take care of removing the table associated with the module as part of its schema management process.

NEW QUESTION # 29
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)?

A. This is not possible. A module cannot implement both data patch and install scripts.
B. Inside apply() method, check for module version and run the code if version is less than 1.5.4.
C. Implement Patchversioninterface and return 1.5.4 on the getversion() method.

Answer: C

Explanation:
According to the Develop data and schema patches guide for Magento 2 developers, data patches are classes that contain data modification instructions. They are defined in a
<Vendor>/<Module_Name>/Setup/Patch/Data/<Patch_Name>.php file and implement MagentoFrameworkSetupPatchDataPatchInterface. Data patches can also implement Patchversioninterface to specify the module version that the patch is associated with. The getVersion() method returns the module version as a string. To skip changes that were already applied via old format (install/upgrade scripts), the developer should implement Patchversioninterface and return 1.5.4 on the getVersion() method. This way, the data patch will only be applied if the module version is greater than or equal to 1.5.4. Verified References:
https://devdocs.magento.com/guides/v2.3/extension-dev-guide/declarative-schema/data-patches.html

NEW QUESTION # 30
When attempting operations that require lengthy processing, a merchant on Adobe Commerce Cloud receives a timeout error after 180 seconds.
How would the developer deal with this issue?

A. 1. Modify admin timeout into .magento.app.yamifile.
2. Commit and push that code from the local environment.
3. Move code to Production environment.
B. 1. In the Fastly Configuration section > Advanced Configuration.
2. Set the Admin path timeout value in seconds.
3. Save config and Upload VCL to Fastly.
C. 1. Modify admin timeout into app/etc/config.php file.
2. Commit and push that code from the local environment.
3. Submit a support ticket to apply the changes.

Answer: B

Explanation:
The developer can deal with this issue by modifying the admin path timeout value in seconds in the Fastly Configuration section > Advanced Configuration in the Admin Panel. Fastly is a cloud-based caching service that improves site performance and security for Adobe Commerce Cloud projects. Fastly has a default timeout value of 180 seconds for admin requests, which means that any request that takes longer than 180 seconds will be terminated and result in a timeout error. The developer can increase this value to allow longer processing time for admin requests without causing errors. The developer also needs to save the configuration and upload VCL to Fastly to apply the changes. Verified Reference: [Magento 2.4 DevDocs]

NEW QUESTION # 31
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?

Answer: A

Explanation:
* Magento Plugin Types and Execution Order:
* Before Plugins: Execute before the actual method is called. They execute in ascending sortOrder.
* Around Plugins: Wrap around the method call. The around method is executed, passing control to the $next callback that calls the actual method.
* After Plugins: Execute after the method completes. They execute in descending sortOrder.
* Analysis of Plugins Configuration:
* PluginA (sortOrder="10") has beforeDispatch, aroundDispatch, and afterDispatch methods.
* PluginB (sortOrder="20") has beforeDispatch and afterDispatch methods.
* Execution Order Breakdown for Option A:
* Before Plugins:
* PluginA::beforeDispatch() executes first (lower sortOrder).
* PluginB::beforeDispatch() executes second.
* Around Plugin:
* PluginA::aroundDispatch() wraps around the dispatch method. It will only proceed to the actual dispatch call after completing any custom code and calling the $next function.
* Action Dispatch:
* Action::dispatch() is executed as part of PluginA::aroundDispatch() via $next().
* After Plugins:
* PluginB::afterDispatch() executes after the dispatch method, due to its higher sortOrder.
* PluginA::afterDispatch() executes last.
Execution Flow for Option A:
* PluginA::beforeDispatch()
* PluginB::beforeDispatch()
* PluginA::aroundDispatch() wraps the Action::dispatch()
* Action::dispatch() occurs within the aroundDispatch of PluginA
* PluginB::afterDispatch()
* PluginA::afterDispatch()
This matches the order specified in Option A.
References:
* Magento Plugins (Interceptors) Overview - Adobe Commerce Developer Guide detailing the role and order of before, around, and after plugins.
* Managing Plugin Execution Order - Explanation of how sortOrder affects execution order of plugins.
* Magento Dependency Injection Configuration - Detailed information on configuring plugins within di.
xml.
By following the sortOrder and plugin type rules, Option A correctly represents the plugin execution order for the given setup.

NEW QUESTION # 32
An Adobe Commerce developer has added an iframe and included a JavaScript library from an external domain to the website. After that, they found the following error in the console:
Refused to frame [URL] because it violates the Content Security Policy directive.
In order to fix this error, what would be the correct policy ids to add to the csp_whitelist.xml file?

A. frame-ancestors and connect-src
B. frame-src and script-src
C. default-src and object-src

Answer: B

Explanation:
The Content Security Policy (CSP) in Adobe Commerce (Magento) restricts the types of content that can be loaded on a page to protect against malicious attacks, such as cross-site scripting (XSS). When an iframe is added, and a JavaScript library is loaded from an external source, these resources must be whitelisted explicitly using the csp_whitelist.xml file.
In this specific case:
* The frame-src directive controls the sources from which iframes can be embedded. Since the developer is embedding an iframe from an external domain, they need to whitelist this domain for frame-src.
* The script-src directive controls the sources from which JavaScript files can be loaded. The external JavaScript library must be whitelisted under script-src to allow it to execute.
Therefore, the correct policy IDs to whitelist are:
* frame-src: to allow the embedding of content from an external domain in an iframe.
* script-src: to allow the loading and execution of JavaScript files from the external domain.
Here's how to update the csp_whitelist.xml file with the correct directives:
<?xml version="1.0"?>
<whitelist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation=" urn:magento:module:Magento_Csp:etc/csp_whitelist.xsd">
<policy id="frame-src">
<values>
<value id="your-external-domain.com"/>
</values>
</policy>
<policy id="script-src">
<values>
<value id="your-external-domain.com"/>
</values>
</policy>
</whitelist>
Replace your-external-domain.com with the actual domain of the external iframe and JavaScript source.
Additional Resources:
* Adobe Commerce Developer Guide: Content Security Policy (CSP)
* CSP Policies and Directives: Explanation of all supported CSP directives and how to configure them.

NEW QUESTION # 33
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