ISYS 271 Network+ Quiz 6

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

802.11ac

Which protocol replaced TKIP for WPA2?

CCMP

Which Carrier Sense technology is used on wireless networks to reduce collisions?

CSMA/CA

Which function of WPA/WPA2 security ensures data cannot be read in transit?

Encryption

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

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

IR

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

Layer 3

As you're troubleshooting a dead zone in your office, which measurement will help you determine the edges of the dead zone?

RSSI

You've just completed a survey of the wireless signals traversing the airspace in your company's vicinity, and you've found an unauthorized AP with a very strong signal near the middle of the 100-acre campus. Its SSID is broadcasting the name of a smartphone model. What kind of threat do you need to report to your boss?

Rogue AP

Which of the following wireless technologies does not use the 2.4 GHz band?

Z-Wave