1. a) Discuss the concept of a Computer Network and write a note on any of its five uses.

(6 Marks)
b) With respect to Geographical Scale, differentiate the types of Computer Networks
along with the transmission technology for each.

(8 Marks)
c) Explain the following concepts.
i.
Cookies

(2 Marks)
ii.
Broadcast

(2 Marks)
iii.
Point-to-Point links

(2 Marks)
iv.
Packet

(2 Marks)
v.
Multicasting

(2 Marks)
d) Use a five layer network to illustrate the differences between a Protocol, Service,

Layer and Interface.

(6 Marks)

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