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N10-009
Network Security
hard
Question 8 of 15

A security analyst is reviewing firewall logs and sees a large volume of SYN packets from many different source IPs directed at a single server, with no corresponding SYN-ACK responses completing the handshake. What type of attack is this and what is the attacker exploiting?

APing flood exploiting ICMP protocol weakness
BSYN flood DDoS attack exploiting TCP three-way handshake
CARP poisoning exploiting gratuitous ARP responses
DDNS amplification exploiting open resolvers

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