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Question 1[1 Mark]
Select the acronym which does NOT represent a type of computer network.
(a).
WAN
(b).
PAN
(c).
IAN
(d).
LAN
Question 2[1 Mark]
Which of the following hardware is not required to create and connect to a WLAN?
(a).
NIC
(b).
Modem
(c).
Network Switch
(d).
Router
Question 3[1 Mark]
Sergei wants to transfer his completed video project from his desktop to his laptop. The file size is 4 GB. What is the time difference between copying Sergei’s file using a cable at 5 Gbps and using his wi-fi network at 3.5 Gbps, correct to the nearest second?
(a).
Cable is 3 seconds faster.
(b).
Wi-fi is 6 seconds faster.
(c).
Cable is 3 seconds slower.
(d).
Wi-fi is 9 seconds slower.
Question 4[1 Mark]
Choose the one option which best describes the World Wide Web (WWW).
(a).
A globally interconnected network of networks
(b).
A way of sharing resources via hypertext and hyperlinks
(c).
A way for data to travel via network protocols
(d).
The internet
Question 5[1 Mark]
Which of the following is not a feature of peer to peer networking
(a).
No central server
(b).
Improved security
(c).
Redundancy/recovery
(d).
Supports file sharing for collaborative work
Question 6[6 Marks]
List three distinct types of computer network and indicate (qualitatively) their spatial / geographical limitations.
Question 7[4 Marks]
With respect to computer networking, define the term protocol and explain the importance of protocols on the internet.
Question 8[6 Marks]
Explain why the speed of data transmission across a network can vary
Question 9[6 Marks]
Explain how data is transmitted by packet switching.
Question 10[13 Marks]
A bank has designed a new online banking service for both their local and international customers. Data will be sent around the world using secure protocols to ensure client banking details are kept safe.
(a).
Define the term 'data packet'.
[3]
(b).
Outline how protocols enable successful network communication.
[3]
The bank advises that customers do not use the online banking service on public Wi-Fi due to security risks.
(c).
With respect to online banking on public Wi-Fi, outline one security risk.
[3]
(d).
Describe two critical devices required for a public wireless network to function.
[4]
Natasja Deacon
Natasja Deacon
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