Citrix DaaS Administration — Question 3

A Citrix Engineer has received the following message after setting up Application Firewall in Learning mode.
August 28 6 03:14:27 <local0.info>XXX.0.0.2.08/28/2017:03:14:27 GMT VPXExtProd01 0-PPE-0: default GUI CMD_EXECUTED 1670370 0: User CitrixAdmin-
Remote_ip XXX.19.XXX.XXX-Command "show appfw learningdata WebPub_vs_af_1 startURL"- Status "ERROR: Communication error with aslearn"
What can the engineer perform to resolve the issue?

Answer options

• A. Reinstall the Application Firewall license.
• B. Reboot the NetScaler appliance.
• C. Disable the Application Firewall feature.
• D. Delete the Profile database and restart the aslearn process.

Correct answer: B

Explanation

Rebooting the NetScaler appliance (option B) can resolve temporary communication issues that may prevent the Application Firewall from functioning properly. Other options, such as reinstalling the license or disabling the feature, may not address the underlying communication error indicated in the message. Deleting the Profile database is not necessary and could lead to further complications.