[Sep-2021] CWNP CWNA-108 Dumps – Reduce Your Chance of Failure in CWNA-108 Exam
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NEW QUESTION 12
You are implementing a VHT-capable AP. Which one of the following channels is available in the
802.11ac amendment to the 802.11-2012 standard, which was not available in the standard before this amendment?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: B
NEW QUESTION 13
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 9 dBi gain, what is the EIRP at the antenna element?
- A. 13 dBm
- B. 26 dBm
- C. 23 dBm
- D. 10 dBm
Answer: C
NEW QUESTION 14
You are deploying a WLAN monitoring solution that utilizes distributed sensor devices. Where should sensors be deployed for best results? Choose the single best answer.
- A. IN critical areas where WLAN performance must be high
- B. Every 20 feet and alongside each AP
- C. Closer to the APs
- D. Closer to the client devices
Answer: D
NEW QUESTION 15
What factors does not influence the distance at which an RF signal can be effectively received?
- A. Transmitting station's output power
- B. Receiving station's output power
- C. Free Space Path Loss
- D. Receiving station's radio sensitivity
Answer: A
NEW QUESTION 16
Users and Network support personnel at a mid-sized equipment manufacturer have been discussing the potential uses and benefits of implementing an indoor WLAN. The network administrator and network manager have requested a meeting of senior management personnel to discuss a WLAN implementation before performing a site survey or taking any implementation steps. The first topic of discussion in the meeting is the corporate policy concerning implementation and use of WLAN technology.
What specific topics are appropriate in this policy meeting? (Choose 2)
- A. Antenna types
- B. Use of the latest 802.11ac equipment
- C. Defining RF channels for use
- D. User productivity impact
- E. Business justification
Answer: D,E
NEW QUESTION 17
You are troubleshooting an issue reported by several wireless user. The problem is contained to one cell (several users connected to the same AP. You manage the WLAN and no other network devices. After analysis it appear to be a switch problem. What action should be taken?
- A. Create a plan of action and implement it
- B. Document the results and close the case
- C. Escalate the problem to the wireless vendor support staff
- D. Escalate the problems to the network administration Learn
Answer: D
NEW QUESTION 18
What primary metric of scanning can stations use to select the best AP for connectivity to the desired BSS?
- A. Throughput speed in Mbps.
- B. PING latency when testing against an Internet server.
- C. FCS errors in frames transmitted to and from the AP.
- D. Signal strength of AP beacons received.
Answer: D
NEW QUESTION 19
Which one of the following frequency ranges is not specified for use by IEEE 802.11 radios as of
802.11-2012?
- A. 2.4000-2.4835 MHz
- B. 5.15-5.25 GHz
- C. 600-630 MHz
- D. 5.725-5.874 GHz
Answer: C
NEW QUESTION 20
You are reporting on the RF environment in you facility. The manager asks you do describe the noise floor noted in the report. Which of the following is the best explanation?
- A. The energy radiated by flooring materials that causes interference in the 2.4 GHz and 5 GHz bands.
- B. The extra energy radiated by access points and clint devices beyond that intended for the signal.
- C. The RF energy that exists in the environment from intentional and unintentional RF radiators that forms the baseline above which the intentional signal of your WLAN must exist.
- D. The noise caused elevators, microwave ovens, and video transmitters.
Answer: C
NEW QUESTION 21
You are managing a wireless access point in autonomous mode using the Web based interface.
You capture traffic during this management task and notice that you can see the HTML code of the Web pages used for access point management. What error in administration could be the cause of this security concern?
- A. WPA2 is disabled on the WLAN
- B. IPSec is not in use for the management connection as recommended
- C. HTTP is in use instead of HTTPS
- D. A VPN with the AP is not established
Answer: C
NEW QUESTION 22
Which IEEE 802.11 physical layer (PHY) specifications include support for and compatibility with both ERP and HR/DSSS?
- A. DSSS (802.11-Prime)
- B. OFDM (802.11a)
- C. VHT (802.11ac)
- D. HT (802.11n)
Answer: D
NEW QUESTION 23
You are being interviewed by ABC Company for employment as a wireless site survey expert.
The interviewing manager asks you what items should be included in a site survey report generated as part of a manual site survey process.
What answer would be accurate?
- A. Itemized list of equipment, licenses, and support contracts required for the facility
- B. Documentation proving proper entry of wall material types into the site survey software
- C. Documentation noting how each WLAN user group will authenticate to the network
- D. RF heat map illustrating coverage and signal quality for each frequency band
Answer: D
NEW QUESTION 24
A standard PoE injector is use to power an access point requiring 802.3at. CAT6 cabling is in use. What is the maximum distance supported between the access point and the Ethernet switch with the use of a midspan power injector?
- A. 300 meters
- B. 200 meters
- C. 328 meters
- D. 100 meters
Answer: D
NEW QUESTION 25
ABC Company is planning a point-to-multipoint outdoor bridge deployment with standalone (autonomous) 802.11 bridge units. 802.1X/EAP will be used for bridge authentication. A Linux- based RADIUS server will be used for authentication. What device in the bridge Implementation as the 802.1X Authenticator?
- A. The root bridge
- B. The RADIUS server
- C. All non-root bridges
- D. The Ethernet switch
Answer: D
NEW QUESTION 26
ABC Company is planning to install a new 802.11ac WLAN, but wants to upgrade its wired infrastructure first to provide the best user experience possible. ABC Company has hired you to perform the RF site survey. During the interview with the network manager, you are told that the new Ethernet edge switches will support VoIP phones and 802.11 access points, both using
802.3 PoE.
After hearing this information, what immediate concerns do you note?
- A. The edge Ethernet switches should support Ether-channel to get the best results out of the network.
- B. The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
- C. If the switches are in optimal locations for VoIP phones, they are likely to be suboptimal locations for 802.11 APs
- D. VoIP phones and 802.11 access points should not be powered by the same edge switch due to distortion.
Answer: B
NEW QUESTION 27
A client STA must choose the best AP for connectivity. As part of the evaluation, it must verify compatible data rates. What can the client STA use to verify that an AP supports the same data rates that it supports?
- A. Authentication frames transmitted by the other client STAs
- B. Data frames sent between the AP and current client STAs
- C. Beacon frames transmitted by the AP
- D. Probe request frames transmitted by other client STAs
Answer: D
Explanation:
https://supportforums.cisco.com/t5/wireless-mobility-documents/802-11-sniffer-capture-analysis- management-frames-and-open-auth/ta-p/3120622
NEW QUESTION 28
What component of the 802.11 standard allows stations to reserve access to the RF medium for a specified period of time?
- A. Probe Request frames
- B. DTIM Interval
- C. RTS or CTS frames
- D. Short guard intervals
- E. Listen Interval
Answer: C
NEW QUESTION 29
What answer correctly completes the following sentence?
____________ and physical carrier sense functions are used to determine if the wireless medium is busy.
- A. Backup
- B. Virtual
- C. Passive
- D. Active
Answer: B
NEW QUESTION 30
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