a) Describe various components of data communication system.
b) Compare LAN, MAN and WAN.
problem 2: Compare and contrast the OSI reference model and TCP/IP reference model.
problem 3: What are the different types of network topology? Give implications of having different topologies?
problem 4: Describe Signals, Analog and Digital signals.
problem 5: What is the difference between connection-oriented and connectionless switching?
problem 6: Describe Cable TV Networks.
a) Differentiate between synchronous and Asynchronous Time division Multiplexing.
b) Compare circuit switching and Packet switching methods.
problem 8: describe different types of Transmission media.
a) Guided Media.
b) Unguided Media.