August 2000
AN215 : ADVANCED NETWORKING

QUESTION 4

Total Marks: 15 Marks

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SUGGESTED SOLUTIONS
for Question 4

The topology represents the physical or logical arrangement of network stations in a local area network in relation to each other.

(a) What are the characteristics of a Local Area Network? [6]

(b) Give an advantage and a disadvantage of using the bus topology. [2]

(c) What is the main difference between broadband and baseband Networks? [1]

(d) A LAN implementation is being planned for an office. The nodes are to be
placed in a 3 x 4 grid, spaced as shown below (diagonal lengths are rounded for
ease of calculation).

What is the minimum amount of cable that would be needed for the following
topologies:
i) Bus
(ii) Ring
(iii) Star [6]