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Question 1[4 Marks]
Explain how the OSI model helps with abstraction.
Question 2[3 Marks]
Explain how the use of media access control (MAC) addresses can improve security.
Question 3[10 Marks]
A bank has designed a new online banking service where their customer’s banking can be managed across the internet.
(a).
Define the term 'data packet'
[1]
(b).
Explain why protocols are necessary with the use of one example
[4]
The bank advises that customers do not use the online banking service on public Wifi.
(c).
State three necessary components to create a public wireless network
[3]
(d).
Outline what may occur if a user tries to access their online banking on public Wifi
[2]
Fred Suh
Fred Suh
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