Which three mechanisms are used to secure management traffic from outside IPS sensors? (Choose three.)

A.
secure tunnels
112 Cisco 642-874 Exam

B.
a separate management VLAN

C.
secure VLANs to isolate sensors

D.
an out-of-band path around the firewall

E.
asymmetric traffic flows to isolate sensors

F.
private VLANs to put all sensors on isolated ports

Explanation: