CWNA-110 exam questions

1. Question 1

   Single answer

   During a post-implementation survey, you have detected a non-802.11 wireless device transmitting in the area used by handheld 802.11g scanners. What is the most important factor in determining the impact of this non-802.11 device?

   • A

     Receive sensitivity

   • B

     Channel occupied

   • C

     Airtime utilization

   • D

     Protocols utilized

   Reveal answer

   Correct answer

   • C

     Airtime utilization

2. Question 2

   Single answer

   What authentication method is referenced in the 802.11-2016 and 802.11-2020 specifications and is recommended for robust WLAN client security?

   • A

     SSL

   • B

     802.1X/EAP

   • C

     IPSec

   • D

     WEP

   Reveal answer

   Correct answer

   • B

     802.1X/EAP

3. Question 3

   Single answer

   What is required when operating 802.11ax APS in the 6 GHz band using passphrase-based authentication?

   • A

     VHT PHY

   • B

     HT PHY

   • C

     SAE

   • D

     CCMP

   Reveal answer

   Correct answer

   • C

     SAE

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5. Question 4

   Single answer

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

   • A

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

   • B

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

   • C

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

   • D

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

   Reveal answer

   Correct answer

   • B

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

6. Question 5

   Multiple answer

   What two ISM bands are used by microwave ovens, cordless home telephones, baby monitors, and wireless video cameras?

   (Choose two)

   • A

     902 MHz

   • B

     2.4 GHz

   • C

     5.8 GHz

   • D

     7.6 GHz

   Reveal answer

   Correct answer

   • B

     2.4 GHz

   • C

     5.8 GHz

7. Question 6

   Single answer

   ___________ uses more bandwidth than is necessary to carry its data.

   • A

     Narrowband

   • B

     Frequency Hopping

   • C

     Multipath Interference

   • D

     Spread Spectrum

   Reveal answer

   Correct answer

   • D

     Spread Spectrum

8. Question 7

   Single answer

   Which one of the following is not a factor considered when calculating the Link Budget for an outdoor point-to-point WLAN bridge link?

   • A

     MU-MIMO capabilities of the bridges

   • B

     Operating frequency

   • C

     Receive antenna gain

   • D

     Transmit power

   Reveal answer

   Correct answer

   • A

     MU-MIMO capabilities of the bridges

9. Question 8

   Single answer

   You are performing a post-implementation validation survey. What basic tool can be used to easily locate areas of high co-channel interference?

   • A

     Throughput tester

   • B

     Laptop-based spectrum analyzer

   • C

     Access point spectrum analyzer

   • D

     Wi-Fi scanner

   Reveal answer

   Correct answer

   • D

     Wi-Fi scanner

10. Question 9

    Single answer

    You are using a site survey tool for post-implementation validation. You have installed the appropriate adapter driver and imported a floor plan. Now, you want to take the next step in proper tool use.

    What must you do before gathering survey data after the floor plan is imported?

    • A

      Calibrate the floor plan

    • B

      Install WinPCAP

    • C

      Nothing, you can simply start capturing signal readings

    • D

      Install iPerf

    Reveal answer

    Correct answer

    • A

      Calibrate the floor plan

11. Question 10

    Single answer

    You have received a report of poor wireless connections on the third floor of a building under your administration. Three individuals have reported the problem. Apparently, the connections are reporting a strong signal, but the users cannot access the Internet.

    With the problem identified, what is the next logical step in the troubleshooting process?

    • A

      Verify the solution

    • B

      Discover the scale of the problem

    • C

      Perform corrective actions

    • D

      Create a plan of action or escalate the problem

    Reveal answer

    Correct answer

    • B

      Discover the scale of the problem

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