9A0-397 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
How should a DevOps engineer configure against Cross Site Request Forging attacks?

A.Create a filter to allow /libs/granite/csrf/token.json path and CSRF-Token header in dispatcher
B.Set Access-Control-Allow-Origin to wildcard
C.Send the proper X-Frame-Options HTTP response headers that instruct the browser to disallow framing from other domains

正解:
Explanation:
Reference https://helpx.adobe.com/experience-manager/dispatcher/using/configuring-dispatcher-toprevent-csrf.html

Question No : 2
When should a DevOps engineer schedule maintenance tasks? (Choose two.)

A.During other maintenance tasks
B.During planned "downtimes"
C.During out of office hours
D.During a backup window

正解:

Question No : 3
Given the Sling log rotation configuration, which two controls should be used for the rotation of the log? (Choose two.)

A.A time/date schedule
B.A maximum file size
C.A system cron file
D.A system task

正解:

Question No : 4
When configuring the Java Virtual Machine (JVM), which setting configures the JVM heap size?

A.xmx and jvmx
B.xss and jvms
C.xms and jhs
D.xms and xmx

正解:

Question No : 5
Which four can be deployed using a CRX Package? (Choose four.)

A.A repository data store configuration
B.A runmode configuration
C.The key for encrypting values in the repository (/etc/key)
D.A bundle with a non-standard start level
E.Cloud service configurations
F.Replication agents
G.Trust store certificates

正解:

Question No : 6
A DevOps engineer needs to obtain an already existing OSGi bundle from a running AEM instance.
Which method should the DevOps engineer use?

A.Identify the bundle name via the REST API and look for it on the filesystem within the datastore folder
B.Identify the bundle ID via the REST API and download it via curl
C.Identify the bundle ID via the OSGi console and create a content package for it to download
D.Identify the bundle ID via the OSGi console and look for it on the filesystem within the Launchpad folder

正解:

Question No : 7
You are configuring backup for the first time.
Which backup strategy should a DevOps engineer use?

A.Single complete repository backup on each AEM instance
B.One complete repository backup and one content package backup via CRX for quick restore on author AEM instance
C.One complete repository backup and one content package backup via CRX for quick restore on each AEM instance
D.Different backup packages for different content via the CRX package on each AEM instance

正解:

Question No : 8
What should a DevOps engineer do when installing Hotfixes, Feature Packs, Cumulative Fix Packs and Service packs? (Choose two.)

A.Test them before deploying to PROD on a PROD copy
B.Watch the request logs closely for any issues
C.Test them after deploying to PROD on the live PROD system
D.Watch the error logs closely for any issues

正解:

Question No : 9
A DevOps engineer needs to verify that a bundle has been installed correctly. The DevOps engineer points to "system/console/bundles" and receives an "HTTP ERROR: 403".
What is the cause of this error?

A.The DevOps engineer needs to check the error.log file to find out what happened.
B.The bundle was not installed correctly.
C.An AEM restart is required to perform post-installation actions.
D.The DevOps engineer did not authenticate to the server.

正解:

Question No : 10
A DevOps engineer receives a blank page in the browser while the log file prints "No renderer for extension html".
What is a potential cause of this issue?

A.The path for the resource type as declared by the content node does not exist
B.The resource super type declaration is missing on the content node
C.The apache dispatcher does not send the correct format header
D.The content path is not configured to deliver HTML renderings

正解:

Question No : 11
How should the run mode be configured to set it to "UAT"?

A.Rename the quickstart.jar filename to contain the run mode before the initial UAT installation.
B.Set the run mode in the system properties in the start script on all systems of the UAT environment and restart the system.
C.Configure the run mode on the Felix console of all systems in the UAT environment.
D.Create a configuration package that contains this run mode, deploy it on the author of the UAT environment, and replicate the package.

正解:

Question No : 12
How should a DevOps engineer increase offline tar compaction performance?

A.Set "> /dev/nul 2>&1"
B.Increase memory allocated to the Java container
C.Set -Dcompaction-progress-log to 1
D.Set -Dtar.memoryMapped to true

正解:
Explanation:
Reference http://www.aemcq5tutorials.com/tutorials/online-offline-tar-compaction-in-aem/ #performance_tar_compact

Question No : 13
When running an AEM instance in Production Ready Mode, which two security measures are applied? (Choose two.)

A.WebDAV Access to repositories will only be available on author instances.
B.Author user account is disabled on publish instances.
C.The CRXDE Support bundle (com.adobe.granite.crxde-support) is disabled.
D.HTTPS transport layer is enabled.

正解:
Explanation:
Reference https://helpx.adobe.com/experience-manager/6-3/sites/administering/using/securitychecklist.html

Question No : 14
From which three locations can CRX packages be installed using an out-of-the-box configuration? (Choose three.)

A./apps
B./content/dam
C./home/groups
D./var
E./libs/system
F./etc/packages

正解:

Question No : 15
A DevOps engineer checks the OSGI console after deployment of a bundle. The OSGI bundle is in the installed state and is not starting.
Where should the DevOps engineer look for issues?

A.The install log
B.The bundle install log within the OSGI console
C.The error log
D.The OSGI install log within the CRX

正解:

Adobe 9A0-397 問題練習