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G10 - CS - Data Packets (2.1)

Last updated 8 months ago

3 questions

4

Question 1

1.

Suppose a video conference is taking place between delegates in two different
countries. Packet switching is being used to send video and sound data
between the delegates:
Describe:
i any potential problems with sound and video quality
ii how these problems could be caused.

4

Question 2

2.

Explain how packet switching could be used to download a large web page
from a website.

6

Question 3

3.

a) Explain how it is possible for packets to be lost during their transmission across a network.
b) Describe how it is possible for a system to deal with lost packets and prevent them from slowing down the transmission process.
c) Explain why you think packet switching might improve data security.