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A company is launching a new multinational AEM site. The new site will have a large pool of authors all over the world. The company needs to be sure it can handle the load. The load requirements for the new site are as follows: A daily load scaling from 100 to 1000 authors Create multiple pages and live copies (including MSM rollouts) Upload multiple images into Assets Assign 1000 tags to each new pages What can the DevOps Engineer do to make sure the AEM instance can handle the load?
How should a DevOps Engineer perform an AEM upgrade that preserves versions and workflows?
In what two ways can a DevOps Engineer install a content package? (Choose two.)
Which gate needs to be passed after the code is deployed?
A company needs to support 1500 unique users per day and 300 concurrent users for their author instance. Which persistence storage option should the DevOps Engineer select?
An AEM instance is restarted with the command: java -Dsling.run.modes=author -jar cq-publish.jar -r author. The sling.properties includes the line sling.run.modes=publish. In which runmode is AEM started?
The DevOps Engineer sees many occurrences of org.apache.sling.api.resource.LoginException in the logs. Apache Sling Service User Mapper Service is configured with a default user. Service user mapping is configured for the OSGi bundle, causing the exception. What is the root cause of these exceptions?
Which tool must be used to run an offline compaction?
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?
An end user reports performance issues on the site. The AEM environment uses a CDN and a dispatcher as caching layers. The number of requests on the publish instance has increased significantly. Which metric can be monitored to see trends related to the problem early enough to be able to react?

Question 47 - AD0-E106 discussion

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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:+PrintGCDetails
Answers
A.
-XX:+PrintGCDetails
B.
-XX:+HeapDumpOnOutOfMemoryError
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B.
-XX:+HeapDumpOnOutOfMemoryError
C.
-XX:-PrintConcurrentLocks
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C.
-XX:-PrintConcurrentLocks
D.
-XX:OnOutOfMemoryError='kill -3 %p'
Answers
D.
-XX:OnOutOfMemoryError='kill -3 %p'
Suggested answer: C
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asked 02/10/2024
Guillermo Carrasco
33 questions
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