单选题What is true about SYN cookies？（）A All TCPoptions are supported， such as largewindows.B The server can have more than8 unique MSS values.C SYN cookies are not implemented as a method of defending against SYN floods.D SYN cookies are implemented as a method of defending against SYN floods.
单选题
What is true about SYN cookies？（）
A
All TCPoptions are supported， such as largewindows.
B
The server can have more than8 unique MSS values.
C
SYN cookies are not implemented as a method of defending against SYN floods.
D
SYN cookies are implemented as a method of defending against SYN floods.
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