CCST - Wireless Network - Chapter 8

Electromagnetic signals lose about __________ of their power for every wavelength they travel through the air.

• half

• third

• quarter

• fifth

What technology allows Wi-Fi networks to share bandwidth between devices?

• CSMA/CD

• CSMA

• CSMA/TR

• CSMA/CA

__________ works by combining the signal from two or more different antennas.

• Wave bending

• Beam forming

• Frequency aiming

• Attenuating wave

Which material allows only about 20% of a Wi-Fi signal through?

• Brick

• Drywall

• Metal

• Window glass

What is the name of a device that bridges between Wi-Fi and wired networks?

• Switch

• Repeater

• AP

• Router

__________ is often used to denote the maximum data-carrying capacity of a link.

• Spectrum

• Bandwidth

• Throughput

• Maxput

What are some of the devices that can cause interference with a device's Wi-Fi signal?

• Single-mode cables

• Fluorescent lights

• Electrical wires

• Fiber-optic cables