Scenario: a Citrix Administrator Suspects an Attack on a Load-Balancing

Scenario: A Citrix Administrator suspects an attack on a load-balancing virtual server (IP address 192.168.100.25) . The administrator needs to restrict access to this virtual server for 10 minutes. Which access control list (ACL) will accomplish this?

A) add ns acl rule1 DENY -destIP 192.168.100.25 -TTL 600000
B) add simpleacl rule1 DENY -srcIP 192.168.100.25 -TTL 600000
C) add ns acl rule1 DENY -destIP 192.168.100.25 -TTL 600
D) add simpleacl rule1 DENY -srcIP 192.168.100.25 -TTL 600