3.1 Wi-Fi, UTP cables and fibre-optic cables are network media that need to be considered when networks are set up - NSC Information Technology - Question 3 - 2020 - Paper 2
Question 3
3.1 Wi-Fi, UTP cables and fibre-optic cables are network media that need to be considered when networks are set up. Fibre-optic cables have a greater bandwidth, but ... show full transcript
Worked Solution & Example Answer:3.1 Wi-Fi, UTP cables and fibre-optic cables are network media that need to be considered when networks are set up - NSC Information Technology - Question 3 - 2020 - Paper 2
Step 1
3.1.1 (a) Describe bandwidth in this context.
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Answer
Bandwidth refers to the total amount of data that can be sent and received in a network within a specific period of time. It is a crucial measure as it determines the speed and efficiency of data transfer in the network.
Step 2
3.1.1 (b) Expand the abbreviation Mbps.
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Mbps stands for Mega bits per second, which is a unit of measurement for the speed of data transfer.
Step 3
3.1.2 Apart from having a greater bandwidth and higher speed, name TWO other advantages of fibre-optic cables as opposed to UTP cables.
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Fibre-optic cables have low or no signal degradation over longer distances, making them more suitable for widespread networks.
They are immune to electromagnetic interference, ensuring more secure data transmission.
Step 4
3.1.3 Give TWO reasons why UTP cables are sometimes preferred in an office environment rather than Wi-Fi.
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UTP cables are less prone to interference, ensuring a more reliable connection.
They usually provide better security than Wi-Fi connections, which can be more vulnerable to unauthorized access.
Step 5
3.1.4 Define the term network backbone.
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A network backbone is a primary cable or network component that connects different network segments together, providing a path for data to travel across the network.
Step 6
3.1.5 State the function of an NIC.
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A Network Interface Card (NIC) facilitates communication between a computer and the network. It enables the device to connect to a network medium and is essential for transmitting and receiving data.
