Exam 300-135 Question id=569 VPN Technologies

Which features are benefits of using GRE tunnels in conjunction with IPsec for building site-to-site VPNs?

A. allows dynamic routing over the tunnel
B. supports multi-protocol (non-IP) traffic over the tunnel
C. simplifies the ACL used in the crypto map
D. uses Virtual Tunnel Interface (VTI) to simplify the IPsec VPN configuration


the answers are mixed, do not specify in the comment number or the letter of the answer
please write answer#A instead A, answer#B instead B...

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