How is VPN routing information distributed in an MPLS network?

Which two site-to-site tunnel-based VPN technologies support routing, multicast and private IP addressing?
(Choose two.)

Refer to the exhibit.

Refer to the exhibit R1 cannot authenticate via TACACS Which configuration resolves the issue?

R1 cannot receive the R2 Interfaces with individual prefixes. What must be reconfigured to advertise R2 Interfaces to R1?

Refer to the exhibit.

After a security audit, the administrator implemented an ACL in the route reflector. The RR became unreachable from any router in the network. Which two actions resolve the issue? (Choose two.)