chapter 6a

it is when a cable modem combines multiple channels to increase the amount of traffic that it can comfortably support

802.11ac provides an advantage over 802.11n by incorporating increased channel bonding capabilities. what is channel bonding

bluesnarfing

a hacker takes advantage of an open bluetooth connection to send a virus to a user's smartphone. what kind of security breach has occurred

throughput

signal traveling through areas in which many wireless communications systems are in use will exhibit a lower __________ due to the higher proportion of noise

frequency

to exchange information, two antennas must be tuned to the same ____

layer 3

what is the lowest layer of then OSI model at which wired and wireless transmissions share the same protocols

the signal passes through or is absorbed by the object

when a wireless signal encounters a large obstacle, what happens to the signal?

802.11n

which 802.11 standard functions in both the 2.4-GHz and 5-GHz bands

CSMA/CA

which carrier sense technology is used on wireless networks to reduce collisions

unidirectional antenna

which kind of antenna is used in a point to point link especially over long distances

infrared

which one of the following wireless transmission types requires a clear LOS to function

wireless networks use half duplex while wired networks use full duplex

why do wireless networks experience a greater reduction in throughput compared with wired networks

evil twin

you just settled in from some study time at the local coffee shop, and you pause long enough to connect your smartphone to the wifi so you can listen to some music while you study. a you sign in, you realize you clicked on an SSID called Free Coffee and Internet what kind of security trap did you almost fall for

make a guest network, portal page, and install DD-WRT on her home router

you're setting up a home network for your neighbor, who is a music teacher. she has students visiting her home regularly for lessons and wants to provide internet access for their parents while they're waiting on the children. however she's concerned about keeping her own data private. what wireless feature can you configure on her AP to meet her requests?

rogue AP

you've just completed a survey of the wireless signals traversing the airspace in you employer's vicinity, and you've found an unauthorized AP with a very strong signal near the middle of the 100-acre campus. what kind of threat do you need to report to your boss