datacomm3

In fiber optics, the signal is _______ waves.

• light

• radio

• infrared

• very low frequency

Twisting in a twisted-pair help prevent ____________

A parabolic dish antenna is a(n) ___________ antenna.

• unidirectional

• bidirectional

• omnidirectional

• horn

. Radio waves are _________.

• unidirectional

• omnidirectional

• bidirectional

• none of the above

Which type of propogation is this?

What type of connector is commonly used with coaxial cables in networking?

• RJ45

• BNC

• HDMI

• USB

What does "attenuation" refer to in transmission media?

• The increase in signal strength over distance

• The reduction in signal strength over distance

• The interference caused by other signals

• The capability of a medium to carry data

What is the maximum bandwidth supported by Cat6a cables?

• 100 Mbps

• 1 Gbps

• 10 Gbps

• 40 Gbps

Which type of transmission medium uses radio waves to transmit data?

• Coaxial cable

• Fiber optic cable

• Twisted pair cable

• Wireless

Which type of cable is least susceptible to electromagnetic interference (EMI)?

• Unshielded Twisted Pair (UTP)

• Shielded Twisted Pair (STP)

• Coaxial cable

• Fiber optic cable