Best CWNP CWNA-108 2022 Training With 178 QA's
CWNP CWNA-108 Certification Exam Questions
Topics for This Validation
Well, domains are an essential aspect of every exam, and this is what to expect for CWNA-108 test together with the respective percentages for each particular area:
- WLAN Protocols & Devices (20% );
- WLAN Network Infrastructure & Design Concepts (15%);
- RF Technologies (15%);
- WLAN Troubleshooting (10%).
- Security for WLAN Network (10%);
NEW QUESTION 62
In a mesh BSS (MBSS), according to the 802.11-2016 standard, what device connect the mesh to an Ethernet network?
- A. Mesh Gate
- B. Mesh Switch
- C. Mesh Portal
- D. Mesh Router
Answer: A
NEW QUESTION 63
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. 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.
- D. Predictive modeling software provides more reliable data than manual surveys when fine-tuning and validating access point placement after the installation.
- E. The exact impact of interference sources from external networks can be more accurately measured when using predictive modeling software than with manual surveys.
Answer: B,C
NEW QUESTION 64
The IEEE 802.11-2016 standard requires VHT capable devices to be backward compatible with devices using which other 802.11 physical layer specification (PHY)?
- A. OFDM
- B. ERP-PBCC
- C. HR/DSSS
- D. DSSS
Answer: A
NEW QUESTION 65
What phrase defines Equivalent Isotropically Radiated Power (EIRP)?
- A. The highest RF signal strength that is transmitted from a given antenna
- B. Power supplied from the transmission line to the antenna input
- C. The power output from the radio after cable losses
- D. The power output from the radio into the RF cable
Answer: A
NEW QUESTION 66
Prior to association, what parameter can 802.11 client devices measure and use to select the optimal access point for association?
- A. Retry rate of probe request and response frames
- B. Average round trip time to reach the IP router
- C. Signal strength of access point beacons received
- D. Proximity to potential access points
- E. Average round trip time to reach the Internet DNS server
Answer: C
NEW QUESTION 67
What 802.11 PHY uses available space in very low frequency ranges that is not in use at the time by broadcast video signals?
- A. TVHT
- B. SIG
- C. DSSS
- D. DMG
Answer: C
Explanation:
https://www.cwnp.com/802-11ac-vht-just-the-facts/
NEW QUESTION 68
What factor is likely to cause the least impact on the application layer throughput of an 802.11n client station in a 2.4 GHz HT BSS?
- A. Increasing or decreasing the number of spatial streams in use by the client station and AP
- B. Implementation of several other clients in the same BSS using 802.11g radios
- C. Implementing Fast BSS Transition (FT) for roaming
- D. RF interference from more than 10 nearby Bluetooth transmitters
Answer: C
NEW QUESTION 69
What information is transmitted in the Beacon management frames of an HT access point to communicate about backward compatibility with ERP and HR/DSSS stations? (Choose 2)
- A. Power save mode of clients
- B. RIFS mode
- C. HT Protection mode
- D. Secondary channel offset
- E. Non-ERP Present field
Answer: C,D
NEW QUESTION 70
What feature(s) are most likely to be supported by 802.11 enterprise-class WLAN controllers?
(Choose 4)
- A. IGMP snooping
- B. BGP and Frame Relay
- C. 802.1p and DSCP QoS
- D. Captive web portals
- E. Link aggregation / port trunking
Answer: A,C,D,E
NEW QUESTION 71
What item is essential for performing a manual RF site survey for a warehouse facility?
- A. Predictive site survey software that supports highly directional antennas
- B. I-Beam mounting kits for hanging temporary access points
- C. Low-gain omni antennas for APsmounted high on warehouse ceilings
- D. A facility map with an explanation of applications used in each area
Answer: D
NEW QUESTION 72
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. PuTTy
- B. Python
- C. IxChariot
- D. iPerf
Answer: D
NEW QUESTION 73
What is primary metric of scanning can stations use to select the best AP for connectivity to the desired BSS?
- A. Signal strength of access point beacons received
- B. FCS errors in frames transmitted to and from the AP.
- C. PING latency when testing against an internet server
- D. Throughput speed in Mbps.
Answer: A
NEW QUESTION 74
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 clients are configured to use WPA and 5 GHz channels only support WPA2.
- B. The antennas in the laptop have insufficient gain to detect the 5 GHz signals.
- C. The access points are configured to disallow 5 GHz.
- D. The client drivers are faulty and should be upgraded.
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION 75
You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?
- A. 104 ms
- B. 800 ns
- C. 400 ns
- D. 10 ms
Answer: C
NEW QUESTION 76
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. Verifying the VHT functionality to handle the call volume incurred by a single VoIP phone call.
- B. Testing a constant conversation orhandset tone while roaming from area to area, or performing an active survey
- C. Configuring DSCP-to-802.11e QoS maps on the handset for each access category.
- D. Performing protocol analysis with a single wireless adapter that is scanning all channels in use
Answer: B
NEW QUESTION 77
AP-1 is a 3x3:2 AP. STA-3 is a 3x3:3 client. What is the maximum number of spatial streams that can be used for a downlink HT-OFDM transmission from AP-1 to STA-3?
- A. Three spatial streams, because the definition of the client indicates that it is capable of only three spatial streams.
- B. Three spatial streams, because the definition of the AP indicates that it is capable of only three spatial streams.
- C. One spatial stream, because the definition of the AP indicates that it is capable of only one spatial stream.
- D. Two spatial streams, because the definition of the AP indicates that it is capable of only two spatial streams.
Answer: D
NEW QUESTION 78
Three access points are used within a facility. One access point is on channel 11 and the other two are on channel 1. The two access points using channel 1 are on either side of the access point using channel 11 and sufficiently apart so that they do not interfere each other when they transmit frames. Assuming no other Aps are in the vicinity, is CCI still a possibility in this network and why?
- A. No, because CCI only occurs in the 5 GHz frequency band
- B. Yes, because channel 11 loops around and causes CCI with channel 1
- C. No, because the Aps are far enough apart that no CCI will occur
- D. Yes, because the client devices connected to one of the channel 1 APs will transmit frames that reach the other channel 1 AP as well as
Answer: D
NEW QUESTION 79
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. FTP
- B. RTLS
- C. VoIP
- D. E-Mail
Answer: C
NEW QUESTION 80
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. Protocol analyzer
- B. Spectrum analyzer
- C. WLAN discovery tool
- D. Site survey utility
Answer: C
NEW QUESTION 81
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