Ch 6 quiz network study

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Which 802.11 standard functions in both the 2.4-GHz and 5-GHz bands? 802.11n 802.11ac 802.11b 802.11g

802.11n

Which Bluetooth class has the highest power output? Class 3 Class 2 Class 1 They all have equal power output

Class 1

You just settled in for some study time at the local coffee shop, and you pause long enough to connect your smartphone to the Wi-Fi so you can listen to some music while you study. As you're about to sign in, you realize that you clicked on an SSID called "Free Coffee and Internet." What kind of security trap did you almost fall for? Evil twin Brute force attack Bluejacking Guest network

Evil twin

What technology does Bluetooth use to take advantage of the 79 channels allocated to the Bluetooth band? DSSS FHSS ZigBee RTS/CTS

FHSS

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? Bluesnarfing War driving Bluejacking Data breach

Bluejacking

Which Carrier Sense technology is used on wireless networks to reduce collisions? CSMA/CA SSID 802.11 CSMA/CD

CSMA/CA

Which one of the following wireless transmission types requires a clear LOS to function? Bluetooth Infrared NFC Wi-Fi

Infrared

What is the lowest layer of the OSI model at which wired and wireless transmissions share the same protocols? Layer 3 Layer 1 Layer 4 Layer 2

Layer 3

A user swipes her smartphone across a tag on a poster to obtain showtimes for a movie she wants to see later that evening. What wireless technology transmitted the data? Bluetooth NFC Z-Wave ANT+

NFC

You've just completed a survey of the wireless signals traversing the airspace in your 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? Rogue AP Hidden node Bluesnarfing War driving

Rogue AP


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