Which statement about the Cisco VPN Concentrator load balancing feature is true?

Which statement about the Cisco VPN Concentrator load balancing feature is true?

A.
Cisco VPN Concentrators load balance both site-to-site and remote access tunnels.

B.
Cisco VPN Concentrator load balances administration sessions.

C.
Cisco VPN Concentrators load balance remote access tunnels only.

D.
Cisco VPN Concentrators load balance site-to-site tunnels only.