Citrix Exam Questions

What could be the cause of this?

Scenario: A network engineer has installed a NetScaler system into their corporate DMZ and would like to
provide access to a web server on the internal LAN. The web server will be accessed by external users through
the NetScaler. The firewall administrator has opened the relevant ports required on the external and the
internal firewall.
The engineer notices that the virtual server and services representing the web server are down and the
internal web server does NOT appear accessible from the NetScaler.
What could be the cause of this?

A.
USIP is not enabled.

B.
Client IP Insertion is not enabled.

C.
A URL rewrite policy is not created.

D.
A SNIP address has not been added.