Wired and Wireless Networks (AQA GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the two main ways devices connect in networks?
What are the two main ways devices connect in networks?
Wired cables & wireless radio signals
How are copper wires arranged in copper cables to reduce interference?
How are copper wires arranged in copper cables to reduce interference?
Twisted together in pairs
What type of signals do copper cables use to transmit data?
What type of signals do copper cables use to transmit data?
Electrical signals
What is the typical bandwidth range for copper cables?
What is the typical bandwidth range for copper cables?
100 Mbps to 1 Gbps
What is the maximum effective distance for copper cables?
What is the maximum effective distance for copper cables?
Within 100 metres
How do fibre-optic cables transmit data?
How do fibre-optic cables transmit data?
As pulses of light
What bandwidth can fibre-optic cables achieve?
What bandwidth can fibre-optic cables achieve?
Up to 100 Tbps
Over what distance can fibre-optic cables transmit data reliably?
Over what distance can fibre-optic cables transmit data reliably?
100 kilometres or more
What technology do wireless networks use to transmit data?
What technology do wireless networks use to transmit data?
Radio waves
What is the typical range of a wireless network from an access point?
What is the typical range of a wireless network from an access point?
Up to 100 metres
What bandwidth do most wireless networks provide?
What bandwidth do most wireless networks provide?
Around 300 Mbps
Why are wired networks more secure than wireless networks?
Why are wired networks more secure than wireless networks?
Data travels through cables not the air