15. Setting up a TCP connection requires sending a FIN segment, which ACK handshake. is the first step of the FIN, FIN-AO True False TCP flow control (B) 16. Which of the Which of the folowing felds in the TCP header s used to suppot ow contol receiver windows checksum acknowledgement number feature prevents the sender from overflowing the receiver's buffer by transmiting too m too fast? Delay control Error control Flow control congestion control 18. Suppose Host A is sending Host B a large file over a TCP connection. The num bytes that A sends cannot exceed the size of the receive buffer. True or false True False