Scenario: A Citrix Engineer has enabled learning on Application Firewall for all the Security checks on a basic profile that is configured in a production environment. However, after a few hours, the Application Firewall has stopped learning new data.
What is causing the issue?

Scenario: A Citrix Engineer needs to configure the Application Firewall to do a credit card check using the command-line interface (CLI) and configure the profile to obscure the credit card number. Which parameter will the engineer add in the CLI to encrypt the credit card numbers in the logs?

A Citrix Engineer needs to configure an Application Firewall policy. According to company policies, the engineer needs to ensure that all the requests made to the website are originating from North America.
Which policy expressions will help the engineer accomplish the requirement?

Scenario: A Citrix Engineer configured signature protections for Citrix Web App Firewall. Signature Auto- Update has been enabled. Upon reviewing the log files, the engineer notices that the auto update process has an error. In the settings for Signature Auto Update the engineer notices that the URL is blank.
Which URL should the engineer enter to restore the update process?

Which two protections ensure that the correct data is returned by the client? (Choose two.)