Answer the following problems.

problem 1) A user wants to make a directory called Jan under the directory /usr/usrs/letters. The host is called “Magraw. com”. Show all of the commands and responsed used in FTP.

problem 2) Describe how silly window syndrome & clark’s solution are complement each other.

problem 3) What is jitter? Describe any two solutions of jitter.

problem 4) Describe the automatic and configured tunneling used in IP v 6.

problem 5) How dynamically buffer management is done in transport layer.

problem 6) Why do we require an RRQ or WRQ message in TFTP but not in FTP?

problem 7) Describe various types of responses used by SMTP server.

problem 8) Discuss the features of TCP service model.

problem 9) Describe upward and downward multiplexing used in transport layer.