Which TCP setting is tuned to minimize the risk of fragmentation on a GRE/IP tunnel?

A. MSS
B. MTU
C. MRU
D. window size

Which TCP setting is tuned to minimize the risk of fragmentation on a GRE/IP tunnel?

A. MSS
B. MTU
C. MRU
D. window size

Correct Answer: A

MSS(Maximum Segment Size) is an option in the TCP protocol that is effective for both sending and receiving data. 
In Cisco routers, the command "ip tcp adjust-mss xxxx" is used in interface mode to configure this setting. 
For example:
ip tcp adjust-mss 1480