Verified CWNA-108 dumps Q&As - Pass Guarantee or Full Refund [Jan-2022]
CWNA-108 PDF Dumps | Jan 10, 2022 Recently Updated Questions
NEW QUESTION 84
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 acts as the 802.1X Authenticator?
- A. The root bridge
- B. The RADIUS server
- C. All non-root bridges
- D. The Ethernet switch
Answer: A
NEW QUESTION 85
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 86
What statement about 802.3. Clause 33 Power over Ethernet is true?
- A. Only endpoint PSEs are supported.
- B. The lowest voltage drop is achieved when using CAT6 cable instead of CAT5 or CAT5e.
- C. When using CAT5 cabling, you increase the maximum draw available to the PD over that available with CAT6.
- D. Only midspan PSEs are supported.
Answer: C
NEW QUESTION 87
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. Protocol analyzer
- C. Site survey utility
- D. WLAN scanner tool
Answer: D
NEW QUESTION 88
When compared with legacy Power Save mode, how does VHT TXOP power save improve battery life for devices on a WLAN?
- A. VHT TXOP power save allows stations to enter sleep mode and legacy Power Save does not.
- B. VHT TXOP power save uses the partial AID in the preamble to allow clients to identify frames targeted for them.
- C. Legacy Power Save mode was removed in the 802.11ac amendment.
- D. VHT TXOP power save allows the WLAN transceiver to disable more components when in a low power state.
Answer: B
NEW QUESTION 89
What advantages does using predictive site survey modeling software offer over performing a manual site survey? (Choose 2)
- A. Predictive modeling software can predict the ideal access point location 100% of the time, whereas the results from manual surveyingare less reliable.
- B. 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.
- C. Predictive modeling software provides more reliable data than manual surveys when fine-tuning and validating access point placement after the installation.
- D. The exact impact of interference sources from external networks can be more accurately measured when using predictive modeling software than with manual surveys.
- E. 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.
Answer: B,E
NEW QUESTION 90
Your consulting firm has recently been hired to complete a site survey for a company. Your engineers use predictive modeling software for surveying, but the company insists on a pre- deployment site visit.
What task should be performed as part of the pre-deployment visit to prepare for a predictive survey?
- A. Install at least one AP on each side of the exterior walls to test for co-channel interference through these walls.
- B. Test several antenna types connected to the intended APs for use in the eventual deployment.
- C. Evaluatethe building materials at ABC's facility and confirm that the floor plan documents are consistent with the actual building.
- D. Collect information about the company's security requirements and the current configuration of their RADIUS and user database servers.
Answer: C
NEW QUESTION 91
You are troubleshooting an issue reported by several wireless users. 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 appears to be a switch problem. What action should be taken?
- A. Escalate the problem to the wireless vendor support staff
- B. Document the results and close the case
- C. Escalate the problem to the network administration team
- D. Create a plan of action and implement it
Answer: C
NEW QUESTION 92
A non-802.11 device is suspected of causing interference on the WLAN. You are not certain of the location or type of device. What is the best solution for locating this non-802.11 device?
- A. Laptop-based protocol analyzer with an omni-directional antenna
- B. Access point spectrum analyzer
- C. Laptop-based spectrum analyzer with a directional antenna
- D. Laptop-based spectrum analyzer with an omni-directional antenna
Answer: B
NEW QUESTION 93
What security solution is deprecated in the 802.11 standard and should never be used in any modern WLAN deployment?
- A. CCMP
- B. Shared Key Authentication
- C. AES
- D. Open System Authentication
Answer: B
NEW QUESTION 94
What best describes WPA2 in relation to 802.11 wireless network?
- A. WPA2 is specified in the 802. 11 standard as implementing CCMP/AES
- B. WPA2 is the second version of WPA and it enhances security through the use of TKIP Instead of WEP.
- C. WPA2 is a certification created by the Wi-Fi Alliance that validates device correctly implement CCMP/AES.
- D. WPA2 is the standard that defines security for WLANs.
Answer: D
NEW QUESTION 95
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
NEW QUESTION 96
Your consulting firm has recently been hired to complete a site survey for a company. Your engineers use predictive design software for the task, but the company insists on a pre- deployment site visit. What task should be performed as part of the pre-deployment visit to prepare for a predictive design?
- A. Test several antenna types connected to the intended Aps for use in the eventual deployment
- B. Install at least one AP on each side of the exterior walls to test for co-channel interference through these walls
- C. Collect information about the company's security requirements and the current configuration of their RADIUS and user database servers
- D. Evaluate the building materials at ABC's facility and confirm that the floor plan documents are consistent with the actual building
Answer: D
NEW QUESTION 97
What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?
- A. OFDM was used by Frequency Hopping Spread Spectrum (FHSS) PHY devices.
- B. OFDM modulation is used only in 5 GHz 802.11 transmissions.
- C. OFDM implements BPSK modulation to allow for data rates up to 7 Gbps.
- D. OFDM was first introduced in 802.11a and is used by the ERP, HT and VHT PHYs as well.
Answer: D
Explanation:
https://en.wikipedia.org/wiki/IEEE_802.11
NEW QUESTION 98
What component of the 802.11 standard allows stations to reserve access to the RF medium for a specified period of time?
- A. DTIM Interval
- B. Listen Interval
- C. RTS or CTS frames
- D. Short guard intervals
- E. Probe Request frames
Answer: C
NEW QUESTION 99
As you prepare for a site survey in a multi-floor corporate office, you have learned about several wireless devices that support connection-oriented, real-time applications. These applications are sensitive to service interruptions and require excellent signal quality, low latency, and low loss.
For that reason, it is important to identify sources of RF interference as well as building characteristics that would cause RF blockage or dead spots.
What systems or environmental characteristics are most likely to cause interference or RF blockage and disrupt service for these applications? (Choose 2)
- A. Microwave ovens
- B. RFID chokepoints
- C. Narrow hallways
- D. Elevator shafts
- E. Workspace dividers
Answer: A,D
NEW QUESTION 100
What common feature of MDM solutions can be used to protect enterprise data on mobile devices?
- A. Onboarding
- B. Containerization
- C. Over-the-air registration
- D. Self-registration
Answer: A
NEW QUESTION 101
You are onsite with a client to perform a post-deployment site survey. When verifying a multiple channel VoWiFi deployment using a VoWiFi handset, which aspect is most important?
- A. Performing protocol analysis with a single wireless adapter that is scanning all channels in use
- B. Configuring DSCP-to-802.11e QoS maps on the handset for each access category.
- C. Verifying the VHT functionality to handle the call volume incurred by a single VoIP phone call.
- D. Testing a constant conversation orhandset tone while roaming from area to area, or performing an active survey
Answer: D
NEW QUESTION 102
When implementing PoE, what role is played by a switch?
- A. PSE
- B. Midspan injector
- C. Power splitter
- D. PO
Answer: A
NEW QUESTION 103
A non-802.11 device is suspected of causing interference on the WLAN. You are not certain of the location or type of device. What is the best solution for locating this non-802.11 device?
- A. Laptop-based spectrum analyzer with an omni-directional antenna
- B. Access point spectrum analyzer
- C. Laptop-based spectrum analyzer with a directional antenna
- D. Laptop-based spectrum analyzer with an omni-directional antenna
Answer: C
NEW QUESTION 104
You are troubleshooting a controller-based AP that is unable to locate the controller. DHCP is not use and the controller is located at 10.10.10.81/24 while the AP is on the 10.10.16.0/24 network.
What should be inspected to verify proper configuration?
- A. DNS
- B. NTP
- C. BOOTH
- D. AP hosts file
Answer: A
NEW QUESTION 105
You are attempting to explain RF shadow and how it can cause lack of coverage. What common building item frequently causes RF shadow and must be accounted for in coverage plans?
- A. Cubicle partitions
- B. Wooden doors
- C. Carpeted floors
- D. Elevators
Answer: A
NEW QUESTION 106
The center frequency of channel 1 in the 2.4 GHz band is 2.412 GHz (2412 MHz).
What is the center frequency of channel 4?
- A. 2.427 GHz
- B. 2.417 GHz
- C. 2.422 GHz
- D. 2.413 GHz
Answer: A
NEW QUESTION 107
The requirements for a WLAN you are installing state that it must support unidirectional delays of less than
150 ms and the signal strength at all receivers can be no lower than -67 dBm. What application is likely used that demands these requirements?
- A. RTLS
- B. E-Mail
- C. VoIP
- D. FTP
Answer: C
NEW QUESTION 108
......
Understanding functional and technical aspects of CWNAî - Certified Wireless Network Administrator Security Principles and Practices
The following will be discussed in CWNP CWNA-108 dumps:
- Voltage Standing Wave Ratio (VSWR)
- Identify RF signal characteristics as they relate to antennas
- SNR
- Spatial multiplexing (SM)
- Polarization
- Return Loss
- Decibel (dB)
- Omni-directional antennas
- Semi-directional antennas
- Maximal Ratio Combining (MRC)
- RF propagation and coverage
- Reflection, refraction, diffraction and scattering
- Highly directional antennas
- Apply the basic concepts of RF mathematics and measurement
- Multipath and RF interference
- Amplification
- Equivalent Isotropically Radiated Power (EIRP)
- Define and explain the basic characteristics of RF and RF behavior (CHAPTER 2)
- Beamwidths
- Antenna diversity types
- Lightning arrestors and grounding rods/wirestween inside execution measures and client assumptions for execution
- CWNP
- Noise floor
- Radio chains
- Absorption
- MIMO
- Wavelength, frequency, amplitude, phase, sine waves
- Attenuation
- Reading Azimuth and Elevation charts for different antenna types
- RF and physical line of sight and Fresnel zone clearance
- Passive gain
- RSSI
- Explain and apply the functionality of RF antennas, antenna systems, and accessories available
- Antenna orientation
- Free Space Path Loss (FSPL)
- Gain and loss
- Watt and milliwatt
- RF cables and connectors
- Transmit Beamforming (TxBF)
- dBm to mW conversion rules of 10 and 3
- dBm and dBi
CWNA-108 Exam Questions – Valid CWNA-108 Dumps Pdf: https://www.prep4sureguide.com/CWNA-108-prep4sure-exam-guide.html
CWNA-108 Practice Test Questions Answers Updated 178 Questions: https://drive.google.com/open?id=12VEFPtgWbhPDmJMTYTNM9Dpul3W4ANcB