Which one of the following options describes the three steps in the TCP three-way handshake?
A. 1. SYN; 2. SYN, ACK; 3. ACK
B. 1. SYN; 2. ACK; 3. SYN
C. 1. SYN; 2. SYN; 3. ACK
D. 1. SYN; 2. ACK; 3. ACK
Which one of the following options describes the three steps in the TCP three-way handshake?