Ultimate Guide to the CWNA-108 - Latest Nov 18, 2022 Edition Available Now
2022 Updated Verified Pass CWNA-108 Exam - Real Questions and Answers
Understanding functional and technical aspects of CWNA® - Certified Wireless Network Administrator Security Principles and Practices
The following will be discussed in CWNP CWNA-108 exam dumps:
- Omni-directional antennas
- Amplification
- Polarization
- Explain and apply the functionality of RF antennas, antenna systems, and accessories available
- RSSI
- Free Space Path Loss (FSPL)
- Highly directional antennas
- Semi-directional antennas
- RF and physical line of sight and Fresnel zone clearance
- Watt and milliwatt
- SNR
- Antenna orientation
- Absorption
- CWNP
- Lightning arrestors and grounding rods/wirestween inside execution measures and client assumptions for execution
- Wavelength, frequency, amplitude, phase, sine waves
- Transmit Beamforming (TxBF)
- Reflection, refraction, diffraction and scattering
- Return Loss
- Voltage Standing Wave Ratio (VSWR)
- Equivalent Isotropically Radiated Power (EIRP)
- Define and explain the basic characteristics of RF and RF behavior (CHAPTER 2)
- MIMO
- dBm to mW conversion rules of 10 and 3
- Multipath and RF interference
- Beamwidths
- Antenna diversity types
- Identify RF signal characteristics as they relate to antennas
- Maximal Ratio Combining (MRC)
- RF propagation and coverage
What Next?
With the CWNA validation, you now have something powerful to include in your resume and start making applications to jobs that consider your skills. Also, it's time to reinforce your present skills by reaching for any of the three professional certificates offered by CWNP. They are the CWSP, CWDP, and CWAP certificates. Also, don't forget to keep the validity of your current certification by renewing it at the end of the 3-year period.
NEW QUESTION 40
What best describes WPA2 in relation to 802.11 wireless network?
- A. WPA2 is the standard that defines security for WLANs.
- B. WPA2 is specified in the 802. 11 standard as implementing CCMP/AES
- C. WPA2 is a certification created by the Wi-Fi Alliance that validates device correctly implement CCMP/AES.
- D. WPA2 is the second version of WPA and it enhances security through the use of TKIP Instead of WEP.
Answer: A
NEW QUESTION 41
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. High density
- B. Residential
- C. Standard office
- D. SOHO
Answer: D
NEW QUESTION 42
You are using a tool that allows you to see signal strength for all APs in the area with a visual representation. It shows you SSIDs available and the security settings for each SSID. It allows you to filter by frequency band to see only 2.4 GHz networks or only 5 GHz networks. No additional features are available. What kind of application is described?
- A. Spectrum analyzer
- B. WLAN discovery tool
- C. Site survey utility
- D. Protocol analyzer
Answer: B
NEW QUESTION 43
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. Escalate the problems to the network administration Learn
- B. Document the results and close the case
- C. Create a plan of action and implement it
- D. Escalate the problem to the wireless vendor support staff
Answer: A
NEW QUESTION 44
You manage a WLAN with 100 802.11ac access points. All access points are configured to use 80 MHz channels. In a particular BSS, only 40 MHz communications are seen. What is the likely cause of this behavior?
- A. All clients implement single spatial stream radios
- B. The clients are all 802.11n STAs or lower
- C. The AP is improperly configured to use only 40 MHz of the 80 MHz allocated bandwidth
- D. The short guard interval is also enabled
Answer: B
NEW QUESTION 45
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. Defining RF channels for use
- B. Business justification
- C. Antenna types
- D. User productivity impact
- E. Use of the latest 802.11ac equipment
Answer: B,D
NEW QUESTION 46
What advantages does using predictive site survey modeling software offer over performing a manual site survey? (Choose 2)
- A. The exact impact of interference sources from external networks can be more accurately measured when using predictive modeling software than with manual surveys.
- B. Predictive modeling software provides more reliable data than manual surveys when fine-tuning and validating access point placement after the installation.
- C. Predictive modeling software makes it simple to assess multiple different AP locations and then adjust and display the AP's expected coverage pattern in almost real-time.
- D. It takes less time to create an initial site survey for a large facility when using predictive modeling software than when performing a manual survey.
- E. Predictive modeling software can predict the ideal access point location 100% of the time, whereas the results from manual surveyingare less reliable.
Answer: C,D
NEW QUESTION 47
In an 802.11 2.4 GHz system, what 22 MHz channels are considered non-overlapping?
- A. 4 and 6
- B. 7 and 11
- C. 1 and 5
- D. 2 and 8
Answer: D
NEW QUESTION 48
A string of characters and digits is entered into an AP and a client STA for WPA2 security. The string is 8 characters long. What is this string called?
- A. PSK
- B. WEP key
- C. Passphrase
- D. MSK
Answer: A
NEW QUESTION 49
What are two channel modes specified by the 802.11n (High Throughput) PHY? (Choose 2)
- A. 22 MHz
- B. 80 MHz
- C. 20 MHz
- D. 40/80 MHz
- E. 160 MHz
- F. 20/40 MHz
Answer: C,F
NEW QUESTION 50
You are troubleshooting a client issue on a Windows laptop. The laptop can see and connect to
2.4 GHz APs, but it does not even see 5 GHz APs. While evaluating the issue, you determine that this problem is happening for all of the laptops of this model in the organization. Several other tablets connect on channel 48 and channel 52 in the same work areas. What is the likely problem?
- A. The antennas in the laptops have insufficient gain to detect the 5 GHz signals
- B. The clients are configured to use WPA and 5 GHz channels only support WPA2
- C. The client drivers are faulty and should be upgraded
- D. The access points are configured to disallow 5 GHz
Answer: A
NEW QUESTION 51
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. 10 dBm
- B. 13 dBm
- C. 23 dBm
- D. 26 dBm
Answer: C
NEW QUESTION 52
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. RF heat map illustrating coverage and signal quality for each frequency band
- B. Documentation noting how each WLAN user group will authenticate to the network
- C. Documentation proving proper entry of wall material types into the site survey software
- D. Itemized list of equipment, licenses, and support contracts required for the facility
Answer: A
NEW QUESTION 53
What statement about the IEEE 802.11e QoS facility is true?
- A. Four 802.1p user priorities are mapped to eight 802.11 transmit queues.
- B. 802.11 control frames are assigned to the 802.11 EF priority queue.
- C. 802.11 QoS is achieved by giving high priority queues a statistical advantage at winning contention.
- D. When the Voice queue has frames awaiting transmission, no data will be transmitted from the Best Effort queue.
Answer: C
NEW QUESTION 54
You are selecting antennas for a WLAN operating in the 5 GHz frequency band. What specifications should be evaluated for an antenna before it is implemented in this WLAN system?
- A. 802.11ad compatibility
- B. TPC support
- C. Return Loss Rating
- D. Impedance in Ohms
Answer: D
NEW QUESTION 55
You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?
- A. 400 ns
- B. 800 ns
- C. 10 ms
- D. 104 ms
Answer: A
NEW QUESTION 56
The BSA of an AP covers the area used by the sales and marketing department. Thirty-five stations operate in this space. The user indicate that they need more throughput and all stations are 5 GHz capable 802.11ac clients. The current AP configuration uses 20 MHz channels in both
2.4 GHz and 5 GHz. What is the least expensive solution available for increasing throughput for these users without implementing configuration options that are not recommended?
- A. Install a second AP in the coverage area
- B. Use a 160 MHz channel on the 5 GHz radio
- C. Use a 40 MHz channel on the 2.4 GHz radio.
- D. Use a 40 MHz channel on the 5 GHz radio
Answer: A
NEW QUESTION 57
You are troubleshooting a client issue on a Windows laptop. The laptop can see and connect to 2.4 GHz APs, but is does not even see 5 GHz APs. While evaluating the issue, you determine that this problem is happening for all of the laptops of this model in the organization. Several other tablets connect on channel 48 and channel 52 in the same work areas. What is the likely problem?
- A. The antennas in the laptop have insufficient gain to detect the 5 GHz signals.
- B. The clients are configured to use WPA and 5 GHz channels only support WPA2.
- C. The access points are configured to disallow 5 GHz.
- D. The client drivers are faulty and should be upgraded.
Answer: A
NEW QUESTION 58
You are troubleshooting a client issue on a Windows laptop. The laptop can see and connect to 2.4 GHz APs, but is does not even see 5 GHz APs. While evaluating the issue, you determine that this problem is happening for all of the laptops of this model in the organization. Several other tablets connect on channel 48 and channel
52 in the same work areas. What is the likely problem?
- A. The antennas in the laptop have insufficient gain to detect the 5 GHz signals.
- B. The clients are configured to use WPA and 5 GHz channels only support WPA2.
- C. The access points are configured to disallow 5 GHz.
- D. The client drivers are faulty and should be upgraded.
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION 59
When implementing PoE, what role is played by a switch?
- A. Power splitter
- B. PSE
- C. PD
- D. Midspan injector
Answer: B
NEW QUESTION 60
What standard is referenced into the 802.11-2012 specification and is recommend for robust WLAN client security?
- A. SSID hiding
- B. 802.1X/EAP
- C. WEP
- D. IPSec VPN
Answer: B
NEW QUESTION 61
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 5 GHz radios. Some semi- directional antennas are also in use. What kind of deployment is described?
- A. Residential
- B. Standard office
- C. SOHO
- D. High density
Answer: D
NEW QUESTION 62
Which data rate is supported by 802.11g radios that is not supported by 802.11a radios?
- A. 54 Mbps
- B. 130 Mbps
- C. 12 Mbps
- D. 11 Mbps
- E. 9 Mbps
- F. 65 Mbps
Answer: D
NEW QUESTION 63
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