PrepAway - Latest Free Exam Questions & Answers

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

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

PrepAway - Latest Free Exam Questions & Answers

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.

Explanation:
GRE Tunnels for Non-IP Protocol Transport
Providers can deploy GRE to support the transport of non-IP protocols over third-party private IP infrastructure or even over the public Internet.

Tunneling IPv6 over IPv4
Using either GRE or IP-IP tunneled across an IP network, providers can tunnel IPv6 packets over IPv4 infrastructure, providing a migration path to IPv6 as defined in RFC 2893.


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