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02/11/2022 10:33 am
Regarding the characteristics of L2TP over IPSec VPN, which of the following descriptions is incorrect?
- A . L2TP can ensure reliable delivery of data messages. If a data message is lost, it will be retransmitted over time, and it supports flow control and congestion control of data messages.
- B . L2TP is a data link layer protocol, and its messages are divided into two categories: data messages and control messages
- C . L2TPoer IPSec can take advantage of L2TP and IPSec, encapsulate Layer 2 data through L2TP, and provide secure communication for the encapsulated data through IPsec
- D . The L2TP protocol itself does not provide the functions of encryption and reliability verification, and can be used in conjunction with security protocols to realize encrypted transmission of data.
Suggested Answer: A