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Which physical layer function can a network administrator perform todetermine whether or not any device is sen

A company has a wireless network. In this network, collisions occur when more than one device
sends data at the same time. Which physical layer function can a network administrator perform to
determine whether or not any device is sending data to the channel?

Which of the following vulnerabilities may occurwhile the client and the AP exchange the challenge text over t

John works as a network administrator for Web Perfect Inc. The company has a wireless LAN
network. John has configured shared key authentication on a client. The client and the AP start
exchanging the frames to enable authentication. Which of the following vulnerabilities may occur
while the client and the AP exchange the challenge text over the wireless link?


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