Which two statements about GRE tunnels are true? (Choose two.)
2023-12-01CCNA
Which two statements about GRE tunnels are true? (Choose two.)
A.They can operate in tunnel mode and transport mode
B.They provide privacy, integrity, and authenticity
C.They encapsulate the payload.
D.They add 8 bytes to the IP header of each packet.
E.They allow multicast traffic to traverse WAN circuits
正确答案是CE
