Overwhelming a computer by sending multiple communication requests. SYN attacks use up system resources by sending multiple communication requests to a computer until it can no longer process future communication requests. This is one example of a denial-of-service attack.

Which of the following describes a SYN attack? - Sending small packets to a system that is unable to process them - Using spoofed UDP packets to learn about the topology of the victim's network - Overwhelming a computer by sending multiple communication requests - Using PING commands to overwhelm a system