Adobe Adobe Certifications AD0-E106 Questions & Answers

• Question 1:

  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

  B. -XX:+HeapDumpOnOutOfMemoryError

  C. -XX:-PrintConcurrentLocks

  D. -XX:OnOutOfMemoryError='kill -3 %p'

  Correct Answer: C

• Question 2:

  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?

  A. Output from the request.log in measuring response time

  B. "Current cache hit ratio" in the dispatcher.log

  C. "Recent requests" in AEM

  D. Offload metric in the CDN

  Correct Answer: B

• Question 3:

  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?

  A. There is no service user mapping configured for the Java class causing the exception.

  B. The exceptions relate to failed login attempts with incorrect credentials.

  C. The configured service user is not a system user or does not exist.

  D. Administrative resource resolvers have been disabled by configuration and the bundle deployed still relies on it.

  Correct Answer: D

  Reference: https://docs.adobe.com/content/help/en/experience-manager-64/administering/security/ security-service-users.html

• Question 4:

  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?

  A. Set up a cold standby instance

  B. Use standard Cloud Manager tests

  C. Set up auto scaling

  D. Use Adobe Tough Day 2

  Correct Answer: D

• Question 5:

  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?

  A. Author runmode because the -r parameter has the highest priority

  B. Publish runmode because it is determined from the quickstart jar filename

  C. Author runmode because the system property sling.run.modes has the highest priority

  D. Publish runmode because the sling.properties file has the highest priority

  Correct Answer: B

• Question 6:

  A DevOps Engineer is deploying an AEM environment in a private network.

  How can the DevOps Engineer restrict other clients or applications from flushing the cache?

  A. Set up client certificate authentication in the dispatcher configuration

  B. Set permissions on the publish instance by using Access Control Lists to allow the publish instance private IPs

  C. The allowedClients section in the dispatcher configuration should only allow the publish instances private IPs

  D. Configure the /filter section of the dispatcher configuration with an allow rule to make sure the correct client's private IPs are allowed to flush the cache

  Correct Answer: A

• Question 7:

  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?

  A. TarMK

  B. S3

  C. MongoMK

  D. RDBMS

  Correct Answer: C

  Reference: https://helpx.adobe.com/experience-manager/6-3/sites/deploying/using/performanceguidelines.html

• Question 8:

  According to Adobe best practices, how should a DevOps Engineer tailor the OSGi service configurations depending on the type of environment?

  A. Leverage configuration files in runmode dedicated folder

  B. Leverage multiple content packages for each environment

  C. Use environment variables to identify the instance and environment type, then load the appropriate configuration files accordingly

  D. Provide default configuration in the content package, and apply the differences using the OSGi console

  Correct Answer: A

• Question 9:

  Which configuration file is applied for the component org.apache.felix.webconsole.internal.servlet.OsgiManager on the publish instance, assuming all files below are deployed?

  A. /apps//config.author/org.apache.felix.webconsole.internal.servlet.OsgiManager.config

  B. /apps/system/config/org.apache.felix.webconsole.internal.servlet.OsgiManager.config

  C. /system/config/org.apache.felix.webconsole.internal.servlet.OsgiManager.config

  D. /apps//config/org.apache.felix.webconsole.internal.servlet.OsgiManager.config

  Correct Answer: B

  Reference: https://docs.adobe.com/content/help/en/experience-manager-64/deploying/configuring/ configuring-osgi.html

• Question 10:

  What are the two benefits of running the version purge maintenance task? (Choose two.)

  A. Increases the system performance

  B. Compacts disk space for unreferenced versions

  C. Reclaims disk space

  D. Cleans up versions that can not be restored

  E. Removes old versions of packages

  Correct Answer: CE