problem 1: Define the given terms:

a) Workstation
b) Server
c) Network interface Unit

problem 2: What do you mean by the term network topology? Describe the following with appropriate illustration and their relative merits and demerits.

a) Star topology
b) Bus topology
c) Ring topology
d) Tree topology
e) Hybrid topology

problem 3:

a) Distinguish between LAN, MAN and WAN.
b) Distinguish between connection oriented and connectionless services.

problem 4: describe the OSI reference model and describe the function of each layer.

problem 5: Critically compare the OSI reference model with the TCP/IP model.

problem 6: Describe the functions of various layers of TCP/IP reference model and different protocols working in these layers.