CWNA-108 by CWNP Actual Free Exam Questions And Answers

Question 1

The IEEE 802.11-2012 standard requires VHT capable devices to be backward compatible with devices using which other 802.11 physical layer specifications (PHYs)?

A. HR/DSSS

B. DSSS-OFDM

C. OFDM

D. ERP-PBCC

Discussion 0

Correct Answer: C Vote an answer

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Question 2

A client complains of low data rates on his computer. When you evaluate the situation, you see that the signal strength is -84 dBm and the noise floor is -96 dBm. The client is an 802.11ac client and connects to an
802.11ac AP. Both the client and AP are 2x2:2 devices. What is the likely cause of the low data rate issue?

A. Lack of support for 802.11n

B. Too few spatial streams

C. CAT5e cabling run to the AP

D. Weak signal strength

Discussion 0

Correct Answer: D Vote an answer

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Question 3

What is the final step in an effective troubleshooting process?

A. Document the results

B. Notify the users of problem resolution

C. Verify the solution

D. Disable the WLAN

Discussion 0

Correct Answer: A Vote an answer

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Question 4

What is the most effective method for testing roaming in relation to 802.11 VoIP handsets?

A. Use the built-in roaming monitor built into all VoIP handsets.

B. Use a spectrum analyzer to monitor RF activity during a VoIP call.

C. Use a protocol analyzer to capture the traffic generated when a laptop roams.

D. Place a call with the handset and move around the facility to test quality during roaming.

Discussion 0

Correct Answer: D Vote an answer

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Question 5

You are deploying a WLAN with the access points configured for 10 mW of output power on the 2.4 GHz radios and 20 mW of output power on the 5GHz radios. Some semi-directional antennas are also in use. What kind of deployment is described?

A. SOHO

B. Residential

C. High density

D. Standard office

Discussion 0

Correct Answer: C Vote an answer

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Question 6

What statement about 802.11 WLAN bridges is true?

A. WLAN bridges may support MIMO communications, but only if used in the 5 GHz frequency band

B. WLAN bridges only work in the 2.4 GHz frequency band and they support only SISO communications

C. WLAN bridges must be implemented such that no interference occurs on the channel anywhere between the two endpoints used to establish the bridge

D. WLAN bridges must use a channel with acceptable SNR at both transceivers to maintain the desired data rate bi-directionally

Discussion 0

Correct Answer: D Vote an answer

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CWNP Certified Wireless Network Administrator - CWNA-108 Exam Practice Test

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