problem 1:

Illustrate out FDM and TDM with illustration.

problem 2:

Illustrate out the term B-ISDN and describe its services.

problem 3:

What do you understand by the term symmetric key cryptography? Illustrate one symmetric key algorithm.

problem 4:

Illustrate out RSA technique with an illustration.

problem 5:

Illustrate out some queue management algorithms.

problem 6:

What do you understand by the term packet filtering? What are the benefits of packet filtering? Also describe different types of proxy.