Scenario: A Citrix Engineer has enabled the Learn function for a Citrix Web App Firewall profile. After a period of time, the engineer notices that Citrix Web App Firewall is no longer learning any new rules.
What would cause Citrix Web App Firewall to stop learning?

Which action ensures that content is retrieved from the server of origin?

Scenario: A Citrix Engineer wants to protect a web application using Citrix Web App Firewall. The engineer enables the Learn action for the Start URL, HTML, Cross-Site Scripting, and HTML SQL Injection protections. The engineer assigns this profile to a policy, which is then bound to the virtual server.
Which two items can the engineer check to determine that the Learn action is NOT capturing any rules? (Choose two.)

A review of purchases made at an online retailer shows that several orders were processed for items at an unpublished price.
Which protection can a Citrix Engineer implement to prevent a site visitor from modifying the unit price of a product on the shopping cart page?

Scenario: A Citrix Engineer has enabled the IP Reputation feature. The engineer wants to protect a critical web application from a distributed denial of service attack.
Which advanced expression can the engineer write for a Responder policy?