What is a transmission medium primarily defined as?

• A device that processes information

• Anything that can carry information from source to destination

• A type of computer network

• A signal converter

Which category does fiber-optic cable belong to?

• Unbounded media

• Wireless media

• Bounded media

• Free space media

What form of energy do computers use to transmit signals?

• Chemical energy

• Nuclear energy

• Electromagnetic energy

• Mechanical energy

Which of the following is NOT a bounded medium?

• Twisted-pair cable

• Coaxial cable

• Microwave

• Fiber-optic cable

What type of signals does fiber-optic cable transmit?

• Electric current

• Radio waves

• Light

• Sound waves

What is the frequency range for radio waves?

• 3 KHz to 1 GHz

• 1 GHz to 300 GHz

• 300 GHz to 400 THz

• Above 400 THz

Which propagation type follows the curvature of the Earth?

• Sky propagation

• Ground propagation

• Line-of-sight propagation

• Space propagation

What is a characteristic of microwave transmission?

• Omnidirectional

• Can easily penetrate walls

• Requires line-of-sight

• Uses low frequencies

Which frequency range defines microwaves?

• 3 KHz to 1 GHz

• 1 GHz to 300 GHz

• 300 GHz to 400 THz

• Above 400 THz

What is a disadvantage of radio waves?

• Cannot penetrate walls

• Requires line-of-sight

• Susceptible to interference from other antennas

• Limited range