OCR J277 Transmission Media

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

___ 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 ___ transmission media.