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Category: 640-721 (v.1)

Exam 640-721: Cisco Certified Network Associate Wireless (CCNA Wireless) (update September 4th, 2015)

Which of the following vulnerabilities may occur while the client and the AP exchange the challenge text over

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?

Which of the following tools should you use to determine signal strength, noise level, and potential sources o

Richard works as a network administrator for Fenco Auto Inc. The company deploys a wireless
LAN network but there is some problem due to the interference of signals. Which of the following
tools should you use to determine signal strength, noise level, and potential sources of

interference? Each answer represents a complete solution.
(Choose three.)

Which of the following do the floor types use to assist the WCS by adding these elements?

You are using maps in the WCS to design a wireless LAN network. You add a campus and two
buildings to the map. Now you plan to add a new floor area to the first building. The floor types
include cubes and walled offices, drywall office only, and outdoor open space. Which of the
following do the floor types use to assist the WCS by adding these elements?


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