Suppose Client X initiates a Telnet session with Server Z. At about the same time, Client Y also initiates a Telnet session with Server Z. Provide possible source and destination port numbers for (Hint: use the port number for telenet application is 23)

1. The segments sent from X to Z. (source port= , destination port= )
2. The segments sent from Z to X. (source port= , destination port= )
3. The segments sent from Y to Z. (source port= , destination port= )
4. The segments sent from Z to Y. (source port= , destination port= )
5. If X and Y are different hosts, is it possible that the source port number in the segments from X to Z is the same as that from Y to Z?
6. If X and Y are Same hosts, is it possible that the source port number in the segments from X to Z is the same as that from Y to Z?