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Which of the following descriptions about the GRE security mechanism is wrong?
- A . A GRE tunnel can be established only when the identification keywords set at both ends of the tunnel are exactly the same
B. If the checksum is configured on the local end but not on the peer end, the local end will not check the checksum of the received packets, but will check the sent packets.
C. If the key word is configured on the local end of the tunnel but not on the opposite end, the tunnel can normally forward user packets
D. If the local end is configured with a checksum and the opposite end is configured, the local end checks the checksum of the packets sent from the opposite end, and does not check the checksum of the sent packets.
Suggested Answer: C
Posted : 26/01/2023 3:52 am