EC-Council
EC0-350 · Question #823
EC0-350 Question #823: Real Exam Question with Answer & Explanation
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Question
TCP SYN Flood attack uses the three-way handshake mechanism. 1. An attacker at system A sends a SYN packet to victim at system B 2. System B sends a SYN/ACK packet to victim A 3. As a normal three-way handshake mechanism system A should send an ACK packet to system B, however, system A does not send an ACK packet to system B. In this case client B is waiting for an ACK packet from client A This status of client B is called _________________
Options
- A"half-closed"
- B"half open"
- C"full-open"
- D"xmas-open"
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