Which two statements about GRE tunnels are true?

Which two statements about GRE tunnels are true? (Choose two.)

Which two statements about GRE tunnels are true? (Choose two.)

A.
GRE can be used to tunnel non-IP protocols, such as IPX.

B.
GRE can provide encrypted communication.

C.
GRE adds overhead of 16 bytes per packet.

D.
GRE can be used to tunnel IPv6 traffic.



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