5 computer questions week3

1.      Using the Fi and RRi notation illustrate the transfer of 15 data packets with a               window size of 5.

1. Is it possible for a PC to run multiple network layer protocols over the same network             port?  Describe what mechanism is used to do it?

1. What purpose do parity bits and CRCs serve?  Briefly describe the difference between the two.

1. Briefly describe the difference between Connection Oriented and Connectionless service and how they work.

1. Describe the changes as you move from:

·         Unrestricted Simplex Protocol (Utopia) to

·         Simplex Stop and Wait Protocol to

·         Simplex Protocol for a Noisy Channel to

·         One-bit Sliding Protocol