AD0-E124 Practice Online

Question 1

When monitoring replication agents, for which two event should a monitoring system provide alerts? (Choose two.)

A : More than 10,000 items in the queue

B : 403 in the replication log

C : Queue blocked

D : 200 in the replication log

Answer: A,C

Question 2

When running an AEM instance in Production Ready Mode, which two security measures are applied? (Choose two.)

A : The CRXDE Support bundle (com.adobe.granite.crxde-support) is disabled.

B : Author user account is disabled on publish instances.

C : WebDAV Access to repositories will only be available on author instances.

D : HTTPS transport layer is enabled.

Answer: C,D

Question 3

A server has been provisioned with 32GB, 16 cores, and 1TB for use as an author instance to host AEM Assets.

Which operation should the DevOps engineer perform before starting AEM?

A : Set CQFILE_SIZE_LIMIT to 1TB

B : Set CQJVM_OPTS -Xmx to 32gb

C : Set CQJVM_OPTS -Xmx to 16gb

D : Set CQJVM_OPTS -XX:MaxPermSize to 16gb

Answer: C

Question 4

Which HTTP header should be used to flush a particular resource such as JSON data without invalidating the other parts of cache?

A : CQ-Handle: ResourceOnly

B : CQ-Action: Resource

C : CQ-Action-Scope: ResourceOnly

D : CQ-Action-Scope: Resource

Answer: C

Question 5

AEM author instance has been unstable and unresponsive.

Restarting the instance resolves the issue temporarily

Server disk space and CPU utilization seems fine

Top and free command shows enough memory

The following error appears in the logs: "java.lang.OutOfMemoryError: gc overhead limit exceeded".

Which JVM parameter should the DevOps Engineer add to troubleshoot?

A : -XX:+HeapDumpOnOutOfMemoryError

B : -XX:-PrintConcurrentLocks

C : -XX:OnOutOfMemoryError='kill -3 %p'

D : -XX:+PrintGCDetails

Answer: A

Name:	Adobe Experience Manager DevOps Engineer Expert
Exam Code:	AD0-E124
Certification:	Adobe Experience Manager
Vendor:	Adobe
Total Questions:	117
Last Updated:	Feb 19, 2026

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