Explain the term switching as used in data communication.

a. Explain the term switching as used in data communication. (2 Marks)
b. Using the TCP/IP protocol stack, explain how a client sends mail to a remote using the SMTP
protocol. (4 Marks)
c. Differentiate between static and dynamic routing algorithms. (4 Marks)
d. Compare connectionless and connection-oriented packet switched networks using the following
i. Overhead
ii. Greatest strength
iii. Error correction
e. Two 10 Base T local area networks (LANs) are located in separate building that are 8km apart.
One LAN has a total cable span of 1000m and the other has a 2500m cable span. Draw a basic
topology showing what repeaters, bridges and routers are needed to form a consolidated network.
What connection alternatives are possible and why would they be used. (4 Marks)







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