Deck 8: Wireless Technology and Mobile Communication

Question 1

Fiber-optic lines are always the best communications channels for high speed informationrelays.

Answer 1

False

Question 2

An infrared laser can be used to relay information through the air.

Answer 2

True

Question 3

In the wireless industry, SAR is an abbreviation for ______.

A) Standard Area Relay
B) Specific Absorption Rate
C) Specific Area Relay
D) none of these answers

Answer 3

Specific Absorption Rate

Question 4

A direct link ______ been established between cell phone use and health effects.

A) has
B) has not

Question 5

3G systems promise to revolutionize wireless communication.

Question 6

The term LEO is a term used in the ______ industry.

A) fiber-optic
B) over the air laser
C) PCS
D) satellite
E) none of the answers

Question 7

In general, a WLAN is superior to a fiber-optic line in regard to security issues (e.g., the security of an information relay).

Question 8

Bluetooth and Wi-Fi both refer to

A) new satellite-based relays
B) A WLAN's information carrying capacity
C) A LAN's two major networking components
D) none of these answers

Question 9

Cell phones and other technologies have made it possible for information to be routed to you 24 hours a day, wherever you may be. Is this a good development? Why or why not?