CMGT 431 WEEK 3 CHAPTER 10 GROUP QUIZ 11 A requesting station sends a TCP SYN to a destination station. The destination station responds with a SYN-ACK. The requesting station responds with an ACK. What has occurred? a. An attacker was launching a SYN attack that has failed. b. A user is running Traceroute. c. A TCP connection was established. d. A TCP connection was torn down.