Free AD0-E116: Adobe Experience Manager Developer Expert Exam Questions and Answers

Last updated: September 19, 2026

Exam code

AD0-E116

Provider

Adobe

Questions in our bank

1000+

Free to read

First 10, with answers

Our test mode duration & pass mark

130 mins · 70%

Verified answers

Reviewed weekly

Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.

1. Question #1

   One content package of a custom application contains the following content paths. The server also contains the content path /apps/myproj/configuration that must NOT be touched when installing the package. Which two filter definitions should a developer use to always update only the contained paths upon installation in the server? (Choose two.)

   

   Select 2 answers.

   • A. Option A
   • B. Option B
   • C. Option C
   • D. Option D
   • E. Option E
   Reveal Answer

2. Question #2

   Too many pages are invalidated in the dispatcher cache when a page is published. What is most likely causing this issue in the dispatcher configuration?

   • A. Sticky session are NOT configured properly, resulting in requests being delivered to the wrong server.
   • B. The level of cache invalidation is NOT appropriate for the published content model.
   • C. File globbing in the dispatcher configuration is NOT correct.
   • D. The OS file system permissions are NOT properly configured.
   Reveal Answer

3. Question #3

   The structure section of an editable template has a locked component. What happens to the content of that component when a developer unlocks it?

   • A. The content stays in the same place but it ignored on pages using the template.
   • B. The content is moved to the initial section of the editable template.
   • C. The content is deleted after confirmation from the template author.
   • D. The content is copied to the initial section of the editable template.
   Reveal Answer

4. Question #4

   Which log file contains AEM application request and response entries?

   • A. response.log
   • B. request.log
   • C. history.log
   • D. audit.log
   Reveal Answer

5. Question #5

   A developer has a component located under the path /apps. This component has a Client Library which is directly loaded onto a page. The publish instance loads the page correctly. The dispatcher also loads the page but the Client Library is missing. How should the developer resolve this issue, while taking security into consideration?

   • A. Change the ACLs for the Client Library.
   • B. Move the Client Library under /apps/<project>library.
   • C. Add the property allowProxy with a boolean value true.
   • D. Allow the path to the clientlibs on the dispatcher.
   Reveal Answer

6. Question #6

   A custom AEM application contains a service component that needs to access the JCR repository within the activate method. The activate method uses ResourceResolverFactory.getServiceResourceResolver(...) without specifying a sub service name. What should a developer do to make sure the user service mapping for the service component is available?

   • A. Create a field of type ServiceUserMapper and annotate it with @Reference using ReferencePolicy.STATIC
   • B. Wait for the service ServiceUserMapper via BundleContext.getServiceReference(...)
   • C. Create a field of type ServiceUserMapped and annotate it with @Reference using ReferencePolicy.DYNAMIC
   • D. Create a field of type ServiceUserMapped and annotate it with @Reference
   Reveal Answer

7. Question #7

   A developer creates a custom Client Library named foobar. This Client Library embeds 5 other Client Libraries and contains 10 JavaScript source files. One of these files, called foo.js, has a bug on line 8 which causes an exception. The Client Library is throwing this exception on line 1350 when it is included on a webpage. How should a developer find the exact line in foo.js where the exception has been thrown?

   • A. 1. Enable JS/CSS minification in OSGi configuration console for HTML Library Manager. 2. Check the JavaScript exception log in the OSGi web console.
   • B. 1. Temporarily remove the embedded Client Libraries of the foobar Client Library. 2. Use the browser JavaScript debugging tools.
   • C. 1. Add the selector debugClientLibs to the page request. 2. Check the JavaScript exception log in the OSGi web console.
   • D. 1. Add the query parameter debugClientLibs=true to the request. 2. Use the browser JavaScript debugging tools.
   Reveal Answer

8. Question #8

   After a recent code deployment, an AEM site is experiencing longer than usual query execution time. The deployment package contained some new Lucene index definitions. A developer needs to identify the long running queries and confirm that the new index definitions are getting applied correctly. Which action should the developer take to investigate this problem?

   • A. Go to Tools > Operations > Diagnosis > Log Messages. Configure DEBUG log level on com.day.cq.search to monitor search queries.
   • B. Go to Tools > Operations > Diagnosis > Query Performance > Slow Queries. Select a Query and Click on Explains. Go to Tools > Operations > Diagnosis > Index Manager. Select the new Indexes and run a consistency check.
   • C. Go to Tools > Operations > Diagnosis > Download Thread Dump. Analyze the Thread Dumps to identify long running requests.
   Reveal Answer

9. Question #9

   A developer wants to automatically truncate request log files once they exceed 10 MB. Which OSGi configuration should the developer modify?

   • A. Apache Sling Logging Configuration
   • B. Adobe Granite Log Analysis Service
   • C. Apache Sling Customizable Request Data Logger
   • D. Apache Sling Logging Writer Configuration
   Reveal Answer

10. Question #10

    A developer is working on a dialog for a contact list component. The dialog has the following requirements: * 1. The list of contacts must include one or more entries. * 2. Contact details must include a full name. * 3. Contact details must include an email address * 4. Contact details can optionally include a short bio * 5. Authors need to be able to rearrange the contacts in the list Which dialog configuration should the developer use to meet all of these requirements?

    
    • A. Option A
    • B. Option B
    • C. Option C
    • D. Option D
    Reveal Answer