CWNP CWNA-108 Exam Dumps

CWNP CWNA-108 Sample Question Answers

CWNP CWNA-108 Sample Questions

Question # 1

When an ACK frame is not received by the transmitting STA, what is assumed?

A. The receiver processed the frame, but did not respond with an ACK frame because 802.11w is enabled
B. The frame was correctly delivered
C. The frame was not delivered and must be retransmitted
D. The receiver is offline

Answer: C

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Question # 2

You are tasked with performing a throughput test on the WLAN. The manager asks that you use open source tools to reduce costs. What open source tool is designed to perform a throughput test?

A. iPerf
B. PuTTy
C. IxChariot
D. Python

Answer: D

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Question # 3

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

Answer: B

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Question # 4

A WLAN is implemented using wireless controllers. The APs must locate the controllers when powered on and connected to the network. Which one of the following methods is commonly used to locate the controllers by the APs?

A. NTP
B. DHCP
C. SNMP
D. GRE

Answer: B

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Question # 5

Your manager asked you to locate a solution that allows for centralized monitoring of WLAN performance over time. He wants a single pane of glass for administration and monitoring of the solution. What do you recommend?

A. Laptop-based spectrum analyzers
B. AP-based spectrum analysis
C. Overlay WLAN monitoring solution
D. Laptop-based protocol analyzers

Answer: C

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Question # 6

What is appended to the end of each 802.11 data frame after the payload?

A. Preamble
B. MAC header
C. PHY header
D. FCS

Answer: D

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Question # 7

What cipher suite is specified by the 802.11-2016 standard and is not deprecated?

A. Wired Equivalent Privacy
B. Temporal Key Integrity Protocol
C. Counter Mode with CBC-MAC Protocol
D. Extensible Authentication Protocol

Answer: C

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Question # 8

When compared with legacy Power Save mode, how does VHT TXOP power save improve battery life for devices on a WLAN?

A. Legacy Power Save mode was removed in the 802.11ac amendment.
B. VHT TXOP power save allows the WLAN transceiver to disable more components when in a low power state.
C. VHT TXOP power save uses the partial AID in the preamble to allow clients to identify frames targeted for them.
D. VHT TXOP power save allows stations to enter sleep mode and legacy Power Save does not.

Answer: C

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Question # 9

A WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB loss. If the cable is connected to an antenna with 9dBi gain, what is the EIRP at the antenna element?

A. 26 dBm
B. 13 dBm
C. 23 dBm
D. 10 dBm

Answer: C

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Question # 10

You were previously onsite at XYZ’s facility to conduct a pre-deployment RF site survey. The WLAN has been deployed according to your recommendations and you are onsite again to perform a post-deployment validation survey.When performing this type of post-deployment RF site survey voice over Wi-Fi, what is an action that must be performed?

A. Spectrum analysis to locate and identify RF interference sources.
B. Frequency-band hopping analysis to detect improper RF channel implementations.
C. Application analysis with an active phone call on an VoWiFi handset.
D. Protocol analysis to discover channel use on neighboring APs.

Answer: C

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Question # 11

What statement about the beamwidth of an RF antenna is true?

A. Horizontal and vertical beamwidth are calculated at the points where the main lobe decreases power by 3 dB.
B. The beamwidth patterns on an antenna polar chart indicate the point at which the RF signal stops propagating.
C. When antenna gain is lower, the beamwidth is also lower in both the horizontal and vertical dimensions.
D. Vertical beamwidth is displayed (in degrees) on the antenna’s Azimuth chart.

Answer: A

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Question # 12

You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?

A. 800 ns
B. 400 ns
C. 104 ms
D. 10 ms

Answer: B

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Question # 13

What ID is typically mapped to an AP’s MAC address if a single BSS is implemented? 

A. SSID
B. Device ID
C. VLAN ID
D. BSSID

Answer: D

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Question # 14

What primary metric of scanning can stations use to select the best AP for connectivity to the desired BSS?

A. Signal strength of AP beacons received.
B. PING latency when testing against an Internet server.
C. Throughput speed in Mbps.
D. FCS errors in frames transmitted to and from the AP.

Answer: A

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Question # 15

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

Answer: C

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