Wired and wireless transmission media

What is a key advantage of using copper cables for data transmission?

• Performs well over long distances

• Cheaper to buy and install than fibre optic cable

• Faster data transfer than fibre optic cable

• Less prone to signal disturbances

Which of the following is a limitation of copper cables?

• Expensive initial setup

• Signals degenerate over long distances

• Performs well over long distances

• Less prone to signal disturbances

What type of signals do fibre optic cables use to transmit data?

• Electrical signals

• Light pulses

• Radio waves

• Sound waves

Which is a limitation of fibre optic cables?

• Cheaper to buy and install

• Data transfer is slower than copper cable

• Expensive initial setup

• More prone to signal disturbances

What is the maximum distance WiFi signals can transmit data?

• 10 metres

• 20 metres

• 50 metres

• 100 metres

Which of the following is an advantage of using WiFi?

• Data can only be transmitted up to 10 metres

• WiFi networks are more prone to hacking

• Cheaper to expand the network and add more devices

• WiFi is susceptible to interference

What is a limitation of WiFi networks?

• Reduced interference from other wireless devices

• Data can be transmitted wirelessly up to 50 metres

• WiFi networks are more prone to hacking

• Bluetooth devices use less power

What is the maximum distance Bluetooth signals can transmit data?

• 5 metres

• 10 metres

• 20 metres

• 50 metres

Which of the following is an advantage of Bluetooth over WiFi?

• Bluetooth devices are fairly low cost

• Data can be transmitted up to 50 metres

• Bluetooth is more prone to interference

• Bluetooth limits the number of devices

A chef creates live, online content and would like to purchase a new headset so that they can listen to questions from their viewers whilst continuing to cook. The chef needs to be able to freely move around the kitchen whilst using the headset.

What type of transmission media does the chef need?

• Copper cable

• Fibre optic cable

• WiFi

• Bluetooth