Adobe Experience Manager DevOps Engineer v1.0

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Exam contains 50 questions
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After deployment, publishers still show old static pictures.
Which action must a DevOps engineer take to fix this issue?

  • A. Reset Dispatcher Cache
  • B. Restart Dispatcher
  • C. Restart Load Balancer
  • D. Restart AEM


Answer : A

How should a DevOps engineer prevent Denial of Service (DoS) attacks against AEM 6.x instances?

  • A. By implementing a protected network environment installing the latest security hotfixes
  • B. By leaving the Adobe Dispatcher set to the default configuration and installing the latest security hotfixes
  • C. By implementing a web application firewall and installing the latest security hotfixes
  • D. By configuring Sling, Adobe Dispatcher, a web application firewall, installing the latest security hotfixes and implementing a protected network environment


Answer : D

Reference https://helpx.adobe.com/experience-manager/6-3/sites/administering/using/security-checklist.html

What must a DevOps engineer do to install an AEM instance as an author?

  • A. Set run mode for author in an OSGI console after the first start
  • B. Provide java property instance.type=author
  • C. Unpack the quickstart jar under the installation directory in a folder named author
  • D. Provide the run mode "author" on a first installation


Answer : C

Reference http://www.tothenew.com/blog/configuring-dispatcher-author-and-publish-instance-of-adobe-experience-manager-aem/

Which tool should be leveraged to fix a corrupted repository?

  • A. oak-run
  • B. oak-backup
  • C. oak-backup-run
  • D. oak-core


Answer : A

The log files contain the error "Too many files". CRX is not responding.
What should a DevOps engineer do to increase the open files limit?

  • A. Check the CRX process user limit for maximum open files, and run ulimit to set higher values.
  • B. Restart AEM 6.x with a higher number of value in start.sh - -fs.file.max=value.
  • C. AEM 6.x automatically handles such a limit and increase the limit dynamically during the next restart.
  • D. Set new Java Virtual Machine limits by -Djava.fs.file-max= and restart AEM 6.x.


Answer : A

Reference https://helpx.adobe.com/experience-manager/kb/TooManyOpenFiles.html

Which three sets of run modes is correct for a supported storage element in AEM? (Choose three.)

  • A. crx3,crx3mongo
  • B. crx3,crx3tar
  • C. crx3,crx3mongomk
  • D. crx3,crx3rdb
  • E. crx3,crx3oracle
  • F. crx3,crx3tarmk


Answer : ABC

In the replication agent configuration, what is the purpose of 'Agent User Id'?

  • A. To label the replication agent that is shown in the webUI
  • B. To set the user that is used to replicate the content to the publish instance
  • C. To authenticate on the publish instance
  • D. To configure this user to select specific content for the replication


Answer : B

Reference -
https://forums.adobe.com/thread/2348740

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

  • A. 200 in the replication log
  • B. More than 10,000 items in the queue
  • C. Queue blocked
  • D. 403 in the replication log


Answer : BC

A page cannot be rendered (HTTP response 500). The log file shows a NullPointerException. The source code points to a missing OSGi service
"NavigationService". The code uses @Reference to inject this service.
What are four possible causes of this issue? (Choose four.)

  • A. The interface NavigationService and the implementation of the NavigationService reside in different bundles
  • B. There is more than one implementation of the NavigationService active in the system
  • C. The bundle that contains the implementation of the NavigationService is in state ACTIVE
  • D. The implementation of the SCR component has unsatisfied references
  • E. The @Reference annotation was invalidly used in a class that is not a SCR component
  • F. The bundle that contains the implementation of the NavigationService is in state RESOLVED
  • G. The bundle that contains the implementation of the NavigationService is in state INSTALLED
  • H. The bundle that contains the implementation shows different versions in "Bundle Location" string compared to "Version" as shown in Felix Console


Answer : ACGH

Cloning an AEM instance to perform tests on production content, also called back-staging, is often required.
Which three must be reconfigured after the cloning is complete? (Choose three.)

  • A. The replication and/or flush agent target IP
  • B. The environment specific OSGi configurations
  • C. The run modes
  • D. The clustr_node.id


Answer : ABC

Scaling publish systems horizontally is one way to set up highly available architecture and make sure more load can be handled.
What three must be reconfigured after cloning a publish instance in a production setup? (Choose three.)

  • A. The instance must be added to the load balancer
  • B. A new flush agent must be created on the author instance
  • C. A new replication agent must be created on the author instance.
  • D. The publish flush agent target IP must be changed to the specific dispatcher IP


Answer : ACD

What is the purpose of Tar compaction process?

  • A. To optimize data stored in TAR filesystem buffers
  • B. To optimize data stored in tar files in a CRX3 repository
  • C. To optimize data stored in tape archive in CRX3 backup
  • D. To optimize data stored in temporary archives in RAM


Answer : B

A GET request to an AEM instance returns HTTP response code 404 when 200 is expected.
What are two possible causes? (Choose two.)

  • A. The request path cannot be resolved to any node in the JCR repository
  • B. The user for the given Authentication header does not have the jcr:read permission for the corresponding JCR node
  • C. No servlet could be found for the given path, selectors, extension and suffix
  • D. The URL requires authentication but no Authentication header has been provided
  • E. The Sling Authentication Service is missing


Answer : AB

Monitoring AEM is a main requirement to run an AEM instance successfully.
Which data must be monitored to make sure that an online compaction runs properly if needed?

  • A. CPU load
  • B. Heap memory
  • C. System RAM
  • D. Disk space


Answer : D

Which backup scenario maintains a low storage profile?

  • A. AEM daily online backup with daily differential backups
  • B. AEM weekly online backup with daily full backups
  • C. AEM daily online backup with daily incremental backups
  • D. AEM daily online backup with weekly full backups


Answer : D

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Exam contains 50 questions
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