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A user has a device in the network that is receiving too many connection requests from multiple machines. Which type of attack is the device undergoing?
Correct Answer: D
A SYN flood is a type of denial-of-service (DoS) attack that exploits the TCP three-way handshake process to exhaust the resources of a target server. The attacker sends a large number of SYN packets to the target server, each with a spoofed source IP address. The target server allocates resources for each incoming SYN packet and responds with a SYN-ACK packet to the spoofed address. However, the spoofed address never sends back the final ACK packet to complete the connection, leaving the target server with many half-open connections that eventually fill up its connection table. This prevents the target server from accepting new legitimate connections and causes service disruption123 References: 1: Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0 course overview 2: SYN Flood Explained. How to Prevent this Attack from Taking over your ... 3: What is a SYN flood attack? | Cloudflare