CWNA-108 Certification Exam Dumps Questions in here [Jul-2023]
Updated CWNA-108 Exam Practice Test Questions
NEW QUESTION # 105
What factors will have the most significant impact on the amount of wireless bandwidth available to each station within a BSS?
- A. The power management settings in the access point's beacons
- B. The presence of co-located (10m away) access points on non-overlapping channels
- C. The layer 3 protocol used by each station to transmit data over the wireless link
- D. The number of client stations associated to the BSS
Answer: D
NEW QUESTION # 106
Prior to association, what parameter can 802.11 client devices measure and use to select the optimal access point for association?
- A. Average round trip time to reach the Internet DNS server
- B. Proximity to potential access points
- C. Average round trip time to reach the IP router
- D. Retry rate of probe request and response frames
- E. Signal strength of access point beacons received
Answer: E
NEW QUESTION # 107
Which IEEE 802.11 physical layer (PHY) specifications include support for and compatibility with both ERP and HR/DSSS?
- A. VHT (802.11ac)
- B. DSSS (802.11-Prime)
- C. HT (802.11n)
- D. OFDM (802.11a)
Answer: C
NEW QUESTION # 108
In an 802.11n 2.4 GHz BSS, what prevents each station from using the full network data rate (e.g. 216.7 Mbps) for user data when multiple clients are actively exchanging data with the AP?
- A. Radio receiver hardware cannot process data is quickly as it can be transmitted
- B. All data frames must be acknowledged and the medium is shared
- C. APs do not have sufficient wired connection speeds to the LAN, even at 1 Gbps connections, with
802.11n and earlier APs - D. Half of the bandwidth is allocated to uplink traffic and half to downlink traffic
Answer: B
NEW QUESTION # 109
Lynne runs a small hotel, and as a value added service for her customers she has implemented a Wi-Fi hot-spot. Lynne has read news articles about how hackers wait at hot- spots trying to take advantage of unsuspecting users. She wants to avoid this problem at her hotel.
What is an efficient and practical step that Lynne can take to decrease the likelihood of active attacks on her customers' wireless computers?
- A. Implement an SSL VPN in the WLAN controller that initiates after HTTPS login.
- B. Implement Network Access Control (NAC) and require antivirus and firewall software along with OS patches.
- C. Require EAP-FAST authentication and provide customers with a username/password on their receipt.
- D. Enable station-to-station traffic blocking by the access points in the hotel.
Answer: C
NEW QUESTION # 110
An 802.11-based network uses an AP and has several connecting clients. The clients include iPhones, iPads, laptops and one desktop. What WLAN use case is represented?
- A. BSS
- B. IBSS
- C. WPAN
- D. Ad-hoc
Answer: A
NEW QUESTION # 111
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 access points are configured to disallow 5 GHz.
- B. The antennas in the laptop have insufficient gain to detect the 5 GHz signals.
- C. The client drivers are faulty and should be upgraded.
- D. The clients are configured to use WPA and 5 GHz channels only support WPA2.
Answer: B
NEW QUESTION # 112
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. Residential
- B. High density
- C. Standard office
- D. SOHO
Answer: D
NEW QUESTION # 113
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. Collect information about the company's security requirements and the current configuration of their RADIUS and user database servers.
- B. Install at least one AP on each side of the exterior walls to test for co-channel interference through these walls.
- C. Test several antenna types connected to the intended APs for use in the eventual deployment.
- D. Evaluatethe building materials at ABC's facility and confirm that the floor plan documents are consistent with the actual building.
Answer: D
NEW QUESTION # 114
What term correctly completes the following sentence?
802.11a/b/g used a mandatory 800ns guard interval. 802.11n introduced an optional short 400ns guard interval. Guard intervals (GI) are necessary in OFDM to reduce the likelihood of interference between two consecutive ____________.
- A. Segments
- B. Symbols
- C. Frames
- D. Packets
- E. Bytes
- F. Bits
Answer: B
NEW QUESTION # 115
What Linux shell command can be used to view the hardware and PHY capabilities of a wireless adapter in detail including channel widths, output power setting, channels supported, and more?
- A. iwconflg
- B. iw phy
- C. ifconflg
- D. netsh wlan show device
Answer: A
NEW QUESTION # 116
What statement about the SSID is true?
- A. The SSID is an alphanumeric value assigned to devicemanufacturers by the IEEE.
- B. The SSID is a pseudo-random number assigned to each client by an AP.
- C. The SSID is a security session identifier used in RSNs.
- D. The SSID must be included in an association request frame.
Answer: D
NEW QUESTION # 117
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. Protocols utilized
- B. Airtime utilization
- C. Channel occupied
- D. Receive sensitivity
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION # 118
What statement accurately describes the RF cables and connectors that are used in an
802.11 WLAN system?
- A. Some RF connectorsdo not cause insertion loss.
- B. Two RF connectors of the same type (e.g. SMA), manufactured by different companies, may vary in specifications.
- C. 75 and 125 ohms are the typical impedances of 802.11 WLAN connectors.
- D. Large diameter RF cables cause greater loss than small diameter cables.
Answer: B
NEW QUESTION # 119
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 client drivers are faulty and should be upgraded
- B. The access points are configured to disallow 5 GHz
- C. The antennas in the laptops have insufficient gain to detect the 5 GHz signals
- D. The clients are configured to use WPA and 5 GHz channels only support WPA2
Answer: C
NEW QUESTION # 120
An IEEE 802.11 amendment is in the daft state. What impact does this draft amendment have on the 802.11 standard?
- A. No impact: Until an amendment is ratified, it does not become part of the standard.
- B. The standard is changed to reflect the new capabilities as soon as an amendment enters the draft stage.
- C. No impact: Draft amendments do not become part of the standard until a working group is formed.
- D. Devices will be released based on the draft amendment and the draft amendment features are part of the standard.
Answer: A
NEW QUESTION # 121
What standard is referenced in the 802.11-2016 specification and is recommended for robust WLAN client security?
- A. SSID hiding
- B. IPSec VPN
- C. WEP
- D. 802.1X/EAP
Answer: D
NEW QUESTION # 122
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Domain Details for CWNP CWNA-108
When it comes to particulars of this test, they are as follows:
- Standards & Regulations for WLAN
This tested area includes the roles played by WLAN as well as networking industry companies, the application of differing PHY (Physical Layer) solutions aimed at IEEE 802.11-2016 standard based on the amendment that includes supported widths, spatial streams, and data rate for a channel, and technologies and Modulation & Coding Schemes (MCS) related to spread spectrum. Also, such a domain deliberates OSI layers impacted by 802.11-2016 amendment and standard, the application of WLAN operation concepts for 802.11, and basic scenarios targeting 802.11 wireless networks.
- WLAN Troubleshooting
This part covers common tools for troubleshooting that are often used within WLANs. Issues addressed by such a topic revolve around the usage of protocol analyzers to troubleshoot tasks, the usage of spectrum analyzers in identifying interference sources, and more. The last area looks at the identification and troubleshooting of wireless problems.
- WLAN Protocols & Devices
This sector touches on the elements as well as functions that constitute an 802.11 wireless service set, terminology that relates to 802.11 MAC & PHY, MAC frame design, and the purpose of the three major frame types of 802.11. Also, it scrutinizes the process followed when locating and connecting to WLANs, access techniques for 802.11 channel, 802.11 MAC functioning, and the features, selection, and installation of WLAN gadgets, control, and the management of systems.
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