Adobe AD0-E124 Practice Exams
Last updated on Oct 22,2026- Exam Code: AD0-E124
- Exam Name: Adobe Experience Manager DevOps Engineer Expert
- Certification Provider: Adobe
- Latest update: Oct 22,2026
What are best practices for configuring caching rules in the Dispatcher? (Choose three)
- A . Use .stat files to manage cache invalidation
- B . Enable caching for all requests, including POST requests
- C . Use deny rules to prevent caching of sensitive content
- D . Store the cache directory inside the AEM crx-quickstart folder
- E . Allow caching for HTML files while ensuring proper invalidation rules
Which setting must be configured to sync AEM users and groups with Adobe Admin Console?
- A . AEM Replication Agents
- B . Cloud Manager Pipeline Roles
- C . User Identity Management in Adobe Admin Console
- D . Apache Sling Authentication Service
Which features of Cloud Manager improve deployment reliability? (Choose two)
- A . Automatic rollback in case of failures
- B . Real-time pipeline execution logs
- C . Ability to modify content directly in production
- D . Option to bypass security checks
A DevOps engineer is monitoring an Adobe Managed Services AEM Sites environment. AEM Sites is being run for the customer. During the performance tests conducted via Cloud Manager, the DevOps engineer notices high CPU utilization.
What should the DevOps engineer do?
- A . Create a support ticket to the CSE to provide the logs of AEM from during the test run.
- B . Connect VisualGC to the JVM using JMX while running the tests to gather JVM CPU usage.
- C . Log in to the server using SSH on production, then rerun the test and run top in parallel.
- D . Scale up the production environment’s hardware capacity.
A form POST functions correctly on publish and dispatch servers but does not function on an author server. The form is a standard form POST with no javascript dependency. The developer confirms the same behavior using the "?wcmmode=disabled" parameter as well as using browser incognito mode.
Which two items should the DevOps engineer research? (Choose two.)
- A . Adobe HTML Library Manager
- B . Apache Sling Referrer Filter
- C . Adobe WCM Debug Filter
- D . Adobe Granite CSRF Filter
- E . Adobe Sling Request Parameter Handling
A DevOps engineer receives a ticket to fix a page that is not displaying the latest data. The environment consists of an author instance, two publish instances, two dispatcher instances, and a load balancer.
The page is a single page application that uses JSON based resources.
No CDN is being used.
The page is loading properly when directly accessing a publish instance.
Requesting the resource using wget through the load balancer delivers an invalid JSON.
The dispatcher flush agent is working on the publish instance.
The issue is reproducible when accessing the page through the load balancer.
What is the issue?
- A . The proxy in the user’s office is caching the JSON improperly.
- B . The dispatcher is configured to cache the JSON.
- C . The author dispatcher flush agent is working improperly.
- D . The user did not empty the browser cache properly.
What are the prerequisites for configuring federated authentication in Adobe Admin Console? (Choose two)
- A . An identity provider (IdP) that supports SAML 2.0
- B . A manually configured JSON policy in CRXDE Lite
- C . Access to the Admin Console’s Enterprise Directory Management
- D . A local LDAP integration with AEM
A team reports slow performance on an AEM author instance.
What is the best approach to diagnose the issue?
- A . Check Cloud Manager system health reports for CPU and memory usage
- B . Modify dispatcher caching rules to improve performance
- C . Restart the author instance to refresh the system
- D . Delete temporary files from the /var directory
A customer of AEM as a Cloud Service accidentally releases a feature to production much earlier than planned. The decision has been made to roll back the environment to the previous release.
What should the DevOps engineer do?
- A . Click "Reinstall" in Package Manager for all packages from the previous release.
Trigger the "Publish content tree" workflow for the home page and its children. - B . Find the most recent successful production pipeline on the Activity tab in Cloud Manager and copy the git tag.
Reset and force push the production pipeline branch to the copied tag and trigger the pipeline. - C . Restore the previous Revision from the Version History panel of the home page in AEM Sites.
Trigger the "Publish content tree" workflow for the home page and its children. - D . Copy the most recent git tag by running the command, git tag | sort -r | head -n 1.
Reset and force push the production pipeline branch to the copied tag and trigger the pipeline.
An html page is published and is accessible through the dispatcher. A client is trying to access the updated page but is not getting the updated content.
A rule /type "allow" /glob "*.html" is present in the dispatcher /cache /rules configuration
The HTTP header "Cache-Control: max-age=3600" is set for all requests with the html extension
The /invalidate section is not set in the dispatcher configuration
A flush agent is configured on the publish instance
A CDN is serving all static content including html files and was flushed manually
Why does the content fail to update on the client side?
- A . The file was cached on the client side in the browser cache.
- B . The flush occurred before the content was replicated because there are a lot of items in the queue.
- C . The content is still cached in the dispatcher after the CDN flush.
- D . There is no /invalidate section present in the dispatcher configuration to invalidate the updated content.