Which three models of the Cisco 3000 Series Concentrator can provide redundancy? (Choose three)

A.
3005

B.
3010

C.
3015

D.
3030

E.
3060

F.
3080

Explanation:
Redundant 3000 series concentrators are:
Cisco VPN 3030 Concentrator
Cisco VPN 3060 Concentrator
Cisco VPN 3080 Concentrator
Ref
Cisco VPN 3000 Series Concentrators – Cisco VPN 3000 Series Concentrator Data Sheet