Which three Cisco components encompass secure connectivity? (Choose three)

A.
Cisco IDS Sensors

B.
Cisco PIX Firewalls

C.
Cisco IDS Sensors

D.
Cisco VPN Connectors

E.
Cisco IOS IDS

F.
Cisco IOS VPN

Explanation:

Secure connectivity – Virtual private network (VPN)
1) Cisco VPN Concentrators
2) Cisco PIX Firewalls
3) Cisco IOS VPN
Reference: Cisco Courseware p.4-3