Free AD0-E724: Adobe Commerce Developer Professional Exam Questions and Answers
134 verified practice questions for AD0-E724.
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Last updated: September 19, 2026
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- AD0-E724
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Question #1
Which file is used to add a custom router class to the list of routers?
Please select an optionIncorrectCorrect answer: A
To add a custom router class to the list of routers in Magento, the routes.xml file is used. This file is located in the etc directory of the module, under the appropriate area (frontend or adminhtml), and defines a router ID, a route ID and frontName, and the module the route belongs to.
Was this answer correct?Question #2
An Adobe Commerce developer is developing a custom module. As part of their implementation they have decided that all instances of their Custom\Module\Model\Example class should receive a new instance of Magento\Filesystem\Adapter\Local. How would the developer achieve this using di.xml?
Please select an optionIncorrectCorrect answer: A
Non-shared (new) instances are configured in di.xml with the shared="false" attribute on the argument (Option A). singleton and transient are not valid di.xml attributes.
Was this answer correct?Question #3
A developer would like to initialize a theme in Adobe Commerce. Which two files are required to complete this task? (Choose two.)
Select 2 answers.
Please select an optionIncorrectCorrect answer: B, D
Initializing a theme requires registration.php, which registers the theme with the system, and theme.xml, which declares the theme name and parent. composer.json is only needed when distributing the theme as a Composer package; theme.less is optional styling.
Was this answer correct?Question #4
There is an integration developed using a cron service that runs twice a day, sending the Order ID to the integrated ERP system if there are orders that are able to create an invoice. The order is already loaded with the following code: $order = $this->orderRepository->get($orderId); In order to verify if the store has invoices to be created, what implementation would the Adobe Commerce developer use?
Please select an optionIncorrectCorrect answer: A
$order->canInvoice() (Option A) returns true only when the order still has invoiceable items and is not canceled or on hold. hasInvoice() only tells whether an invoice already exists and isPaymentReview() checks payment state, not invoice eligibility.
Was this answer correct?Question #5
An Adobe Commerce developer is creating a new console command to perform a complex task with a lot of potential terminal output. If an error occurs, they want to provide a message that has higher visibility than some of the other content that may be appearing, so they want to ensure it is highlighted in red (as seen in the screenshot): How can they customize the appearance of this message?
Please select an optionIncorrectCorrect answer: B
In Adobe Commerce, when developing custom console commands, you can customize output messages by using special tags provided by Symfony Console, which Adobe Commerce relies on. These tags are designed to help differentiate types of messages and can be used to add color or emphasis to the output, enhancing visibility. For critical error messages, wrapping the message in the <error> tag will display it in red, as shown in your screenshot. The available tags include: • <error> for red-colored error messages. • <info> for informational messages (often displayed in blue). • <comment> for comments or warnings (usually yellow). $output->writeln('<error>A critical error has occurred.</error>'); This method is effective and widely used for output customization in Symfony-based console commands. Additional Resources: • Adobe Commerce Developer Guide: Console Command Customization • Symfony Console Output Formatting
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Under which section should the soft dependency for a module be listed in app/code/<Vendor>/<Module>/composer.json file?
Please select an optionIncorrectCorrect answer: A
Soft dependencies of a module are listed under the "suggest" section of the module composer.json. Packages listed there enhance the module but are not required for it to function, so they are not installed automatically.
Was this answer correct?Question #7
For security reasons, merchant requested to a developer to change default admin url to a unique url for every branch/environment of their Adobe Commerce Cloud project. Which CLI command would the developer use update the admin url?
Please select an optionIncorrectCorrect answer: B
The CLI command that the developer would use to update the admin url is magento-cloud variable:set ADMIN_URL. This command sets an environment variable called ADMIN_URL with a custom value for the admin url on a specific environment. Environment variables are configuration settings that affect the behavior of the Adobe Commerce Cloud application and services. By setting an environment variable for ADMIN_URL, the developer can change the default admin url to a unique url for every branch/environment of their Adobe Commerce Cloud project. Verified References: [Magento 2.4 DevDocs]
Was this answer correct?Question #8
What is one way a developer can upgrade the ECE-Tools package on an Adobe Commerce Cloud project?
Please select an optionIncorrectCorrect answer: C
According to the Adobe Commerce Developer Documentation, one way a developer can upgrade the ECE-Tools package on an Adobe Commerce Cloud project is by using Composer, which is a dependency management tool for PHP projects. The ECE-Tools package contains scripts and tools that help manage and deploy Adobe Commerce Cloud projects on the cloud infrastructure. To upgrade the ECE-Tools package using Composer, the developer needs to run the following command in the project root directory: composer update magento/ece-tools --with-dependencies On an Adobe Commerce Cloud project, the recommended way to upgrade the ECE-Tools package is through Composer, a dependency manager for PHP. Composer is used to manage the dependencies of the project, including ECE-Tools, and it provides the necessary commands to update packages to their latest versions or to specific versions as required.
Was this answer correct?Question #9
Which log file would help a developer to investigate 503 errors caused by traffic or insufficient server resources on an Adobe Commerce Cloud project?
Please select an optionIncorrectCorrect answer: B
The access.log file stores the information about the requests and responses that occur on the web server, such as the IP address, timestamp, request URI, response code, and referer URL1. By checking the access.log file, a developer can identify the requests that resulted in 503 errors and the possible causes of those errors, such as traffic spikes, insufficient server resources, or misconfiguration1. To check the access.log file on an Adobe Commerce Cloud project, a developer can use the following command in the CLI: grep -r "\" 50 [0-9]" /path/to/access.log This command will search for any lines in the access.log file that contain a response code starting with 50, which indicates a server error1. The developer can then compare the timestamps of those lines with the exception.log and error.log files to find more details about the errors1. Alternatively, if the error has occurred in the past and the access.log file has been rotated (compressed and archived), the developer can use the following command in the CLI (Pro architecture only): zgrep "\" 50 [0-9]" /path/to/access.log.<rotation ID>.gz This command will search for any lines in the compressed access.log file that contain a resp
Was this answer correct?Question #10
Which command should be used to refresh the cache using the command line?
Please select an optionIncorrectCorrect answer: A
To refresh the cache using the command line in Magento, the command bin/magento cache:clean <type>is used. This command clears the cache for the specified type, such as configuration, layout, or block HTML. Cleaning the cache is an essential maintenance task that helps to update the store's frontend with the latest changes and ensure that customers see the most current content. This command is particularly useful during development or after making changes to the store's configuration or layout.
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