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Question 1 of 11

1. Question
This data transfer medium "uses pulses of light to transport data".
- Ethernet Cables
- Fibre Optic Cables
- Wi-Fi
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Question 2 of 11

2. Question
This data transfer medium "uses pulses of electricity to transport data".
- Ethernet Cables
- Fibre Optic Cables
- Wi-Fi
Correct

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Question 3 of 11

3. Question
This data transfer medium "uses radio waves to transport data".
- Ethernet Cables
- Fibre Optic Cables
- Wi-Fi
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Question 4 of 11

4. Question
Why does Wi-Fi have a range of channels in each of its frequency bands?
- So that multiple copies of the same data can be sent between devices to increase the chance of that data being received without corruption.
- To enable more data to be sent between devices, speeding up data transfer speeds.
- To allow multiple devices to communicate in the same frequency band.
- To enable increased network security as certain data *e.g banking data) can only be sent across certain channels.
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Question 5 of 11

5. Question
Tick all of the structures that you would find on a data packet.
- Data
- Packet Weight
- Destination Address
- Return Address
- Packet Route
- Sequence Number
- Data Translator
- Error Check
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Question 6 of 11

6. Question
What is a 'Protocol', when it comes to computer networking?
- A single rule to specifically outline how network devices must be manufactured.
- A law ensuring that networks are used appropriately by its many users.
- A procedure used by network managers to make sure the network is kept secure.
- A set of rules which state how computers communicate with one another across a network.
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Question 7 of 11

7. Question
What is the difference between a MAC address and an IP address?
- A MAC address is hard coded whereas a device's IP address can be changed.
- An IP address is hard coded whereas a device's MAC address can be changed.
- Both address are hard coded and cannot change but one is used for the device's physical location and the other is used for its logical location on a network.
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Question 8 of 11

8. Question
POP, IMAP and SMTP are all examples of protocols relating to...
- FTP (file downloading/uploading)
- Email
- Webpages / Websites
- VoIP
- Media Streaming
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Question 9 of 11

9. Question
Which layer of the internet is the lowest layer providing the hardware which carries signals between devices?
- Network Layer
- Transport Layer
- Data Link and Physical Layer
- Application Layer
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Question 10 of 11

10. Question
Which layer of the internet allows user access to emails, files and websites?
- Network Layer
- Transport Layer
- Data Link and Physical Layer
- Application Layer
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Question 11 of 11

11. Question
What is meant by the term 'Packet Switching'?
- The swapping of corrupt data packets for valid data packets during network communication
- The resending of data packets if their journey to the destination computer failed.
- The splitting up of a file into data packets and the process by which they are routed to the destination device.
- The compiling of data packets resulting in the reformation of the original file, at the destination computer.
Correct

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