What are three options for signal transmission on a network? (Choose three.)
- radio waves
- vibration pulses
- sound waves
- electrical pulses
- light pulses
Explanation: There are three common methods of signal transmission used in networks:
- Electrical signals - Transmission is achieved by representing data as electrical pulses on copper wire.
- Optical signals - Transmission is achieved by converting the electrical signals into light pulses.
- Wireless signals - Transmission is achieved by using infrared, microwave, or radio waves through the air.
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