Chp 1 and 2

What is a transmission medium?

• Anything that can carry information from a source to a destination

• A computer program

• A type of data storage

• A network protocol

Which of the following is NOT an example of a transmission medium?

• Air

• Fiber-optic cable

• Cloud computing

• Coaxial cable

How do computers and telecommunication devices represent data for transmission?

• In the form of packets

• In the form of electromagnetic energy

• In the form of analog signals

• Through binary coding

Transmission media are divided into:

• Wired and wireless

• Bound and free

• Bounded and unbounded

• Solid and liquid

Which of the following is a type of bounded media?

• Radio waves

• Twisted-pair cable

• Infrared waves

• Microwave

What is a characteristic of bounded media?

• It transmits data wirelessly

• It provides a conduit from one device to another

• It uses electromagnetic radiation

• It does not require any physical medium

Which of the following uses copper conductors to transport signals?

• Fibre-optic cable

• Infrared waves

• Coaxial cable

• Microwave

Fibre-optic cables transmit signals in the form of:

• Electric current

• Sound waves

• Light

• Magnetic fields

Which of the following is an application of fibre-optic cables?

• Sending emails

• Transmitting radio waves

• Transmitting telephone signals

• Broadcasting television signals wirelessly

What is the medium used in unbounded transmission?

• Copper cables

• Fibre-optics

• Free space

• Water