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CompTIA Network+ N10-004 Exam Cram

Mike Harwood

Chapter 7

Wireless Networking - all with Video Answers

Educators

Chapter Questions

Problem 1

Which of the following wireless protocols operate at $2.4 \mathrm{GHz}$ ? (Select two.)
A. 802.11 a
B. $802.11 \mathrm{~b}$
C. $802.11 \mathrm{~g}$
D. $802.11 \mathrm{t}$

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Problem 2

Under what circumstance would you change the default channel on an access point?
A. When channel overlap occurs between access points
B. To release and renew the SSID
C. To increase WEP security settings
D. To decrease WEP security settings

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Problem 3

A client on your network has had no problems accessing the wireless network in the past, but recently she moved to a new office. Since the move she has been unable to access the network. Which of the following is most likely the cause of the problem?
A. The SSIDs on the client and the AP are different.
B. The SSID has been erased.
C. The client has incorrect WEP settings.
D. The client system has moved too far from the access point.

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Problem 4

You configure a wireless connection using the Bluetooth standard. At what speed does Bluetooth operate?
A. $350 \mathrm{Mbps}$
B. $720 \mathrm{Kbps}$
C. $200 \mathrm{Kbps}$
D. $11 \mathrm{Mbps}$

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Problem 5

You purchase a new wireless access point that uses no WEP security by default. You change the security settings to use 128-bit encryption. How must the client systems be configured?
A. All client systems must be set to 128-bit encryption.
B. The client system inherits security settings from the AP.
C. WEP does not support 128-bit encryption.
D. The client WEP settings have to be set to autodetect.

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Problem 6

You are asked to configure the security settings for a new wireless network. You want the setting that offers the greatest level of security. Which of the following would you choose?
A. WEP-Open
B. WEP-Closed
C. WEP-Shared
D. WEP-Unshared

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Problem 7

Which of the following best describes $802.1 \mathrm{X}$ ?
A. A port-based access control
B. A wireless standard specifying $11 \mathrm{Mbp}$ data transfer
C. A wireless standard specifying $54 \mathrm{Mbp}$ data transfer
D. An integrity-based access control

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Problem 8

You are installing a wireless network solution, and you require a standard that can operate using either $2.4 \mathrm{GHz}$ or $5 \mathrm{GHz}$ frequencies. Which of the following standards would you choose?
A. $802.11 \mathrm{a}$
B. $802.11 \mathrm{~b}$
C. $802.11 \mathrm{~g}$
D. $802.11 \mathrm{n}$

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Problem 9

You are installing a wireless network solution that uses a feature known as MIMO. Which wireless networking standard are you using?
A. $802.11 \mathrm{a}$
B. $802.11 \mathrm{~b}$
C. $802.11 \mathrm{~g}$
D. $802.11 \mathrm{n}$

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Problem 10

In the 802.1X security framework, which of the following best describes the role of the supplicant?
A. Authenticating usernames and passwords
B. Encrypting usernames and passwords
C. The system or node requesting access and authentication to a network resource
D. A control mechanism that allows or denies traffic that wants to pass through a port

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