Which SYN flood mitigation mode must the customer use?

exams NSE8_812 V1 NSE8_812 exam 0 Comments

A customer wants to enable SYN flood mitigation in a FortiDDoS device. The FortiDDoS must reply with one SYN/ACK packet per SYN packet from a new source IP address.

Which SYN flood mitigation mode must the customer use?
A . SYN retransmission
B. SYN/ACK cookie
C. SYN cookie
D. ACK cookie

Answer: C