WorksheetsOCR J277 Transmission Media
Total questions: 14
Worksheet time: 7mins
Which transmission media has the shortest range?
Copper Cable
Wi-Fi
Bluetooth
Fiber Optic
Which of these is an advantage of Fiber Optic?
It can travel over a very great distance
It is very expensive
It is easy to expand
It makes use of 2.4GHz and 5GHz radio waves
(a) is a type of transmission media commonly used to connect devices together over very short distances.
A company wants to use a cheap, wired, transmission media to connect their network. What would you recommend?
Copper Cable
Fiber Optic
Coaxial Cable
Bluetooth
How does fiber optic cable transmit 1s and 0s?
Using radio waves
Using electrical signals and changes in voltage
Using lasers to create pits and lands
Using pulses of light
How are Wi-Fi signals broadcasted?
Through radio waves using wireless Access point
Through a Switch
Through the air waves
All the above
A similarity between Bluetooth and WiFi is that they both connect devices using radio waves.
True
False
Which of these Wi-Fi frequencies is less able to penetrate through walls?
Bluetooth
2.4 GHz
5 GHz
100 MHz
Copper Cable can only carry signals for about 100m or so
True
False
Fiber Optic and Copper Cable are both examples of (a) transmission media.
Wireless connections are typically...
...less secure than wired connections.
...more secure than wired connections
...about as secure wired connections.
I would need a switch to wirelessly connect to a network.
True
False - You would need a wireless access point.
False - you would need a router.
False - you would need a hub and a modem.
When a fiber optic signal degrades, it needs to be regenerated using a...
Regenerator
Re-opticulator
Pulse magnifier
Repeater
Replicator
On a scale of 1-5 (with 1 being not confident and 5 being very confident) how confident are you at describing the different kinds of transmission media and their advantages and disadvantages?
1
2
3
4
5
