[Oct-2022] Verified CWNP CWNA-108 Bundle Real Exam Dumps PDF

CWNA-108 Dumps PDF New [2022] Ultimate Study Guide

NEW QUESTION 62
What terms accurately complete the following sentence?
The IEEE 802.11-2016 standard specifies mandatory support of the _______________ cipher suite for Robust Security Network Associations, and optional use of the ________________ cipher suite, which is designed for use with pre-RSNA hardware and is deprecated.

• A. TLS, SSL
• B. 802.1X/EAP, WEP
• C. RC5, RC4
• D. CCMP, TKIP

Answer: D

 

NEW QUESTION 63
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
• B. 2.422
• C. 2.413
• D. 2.417

Answer: A

 

NEW QUESTION 64
What are two channel modes specified by the 802.11n (High Throughput) PHY? (Choose 2)

• A. 22 MHz
• B. 20 MHz
• C. 160 MHz
• D. 40/80 MHz
• E. 80 MHz
• F. 20/40 MHz

Answer: B,F

 

NEW QUESTION 65
A company has hired you to perform a pre-deployment site survey of their facility. During an interview, the network manager informs you that the new wireless network must use 5 GHz bands and OFDM, and VoWiFi handsets will be used extensively over the wireless network.
What items do you need to include in the RF site survey report? (Choose 2)

• A. Results of OFDM versus ERP performance in each BSA
• B. A heat map demonstrating signal quality in areas where VoWiFi is supported.
• C. Test results from an active survey with a VoWiFi handset
• D. Codec types and sampling rates for each VoWiFi phone
• E. Security parameters and configuration steps for VoWiFi handsets.

Answer: B,C

 

NEW QUESTION 66
When implementing PoE, what role is played by a switch?

• A. PSE
• B. Power splitter
• C. PD
• D. Midspan injector

Answer: A

 

NEW QUESTION 67
As an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in an area. What term describes the rate at which this expansion happens?

• A. Inverse square law
• B. Ohm's law
• C. Fresnel zone thinning
• D. MU-MIMO

Answer: A

 

NEW QUESTION 68
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 69
Option 43 must be configured to allow access points to locate controllers. In what network service should this option be configured?

• A. RADIUS
• B. DHCP
• C. LDAP
• D. DNS

Answer: B

 

NEW QUESTION 70
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 71
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. 23 dBm
• B. 26 dBm
• C. 10 dBm
• D. 13 dBm

Answer: A

 

NEW QUESTION 72
What is appended to the end of each 802.11 data frame after the payload?

• A. Preamble
• B. PHY header
• C. FCS
• D. MAC header

Answer: C

 

NEW QUESTION 73
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. 2.413 GHz
• B. 2.417 GHz
• C. 2.427 GHz
• D. 2.422 GHz

Answer: C

 

NEW QUESTION 74
You are evaluating access points for use in the 5GHz frequency band.
What PHY supports this band and supports 80 MHz channels?

• A. OFDM
• B. ERP
• C. VHT
• D. HT

Answer: C

 

NEW QUESTION 75
You are evaluating a connection that states the data rate is 150 Mbps. What is the expected throughput of this connection?

• A. 54 Mbps because that is the actual maximum throughput of an 802.11 connection
• B. 150 Mbps because the data rate is equal to the throughput
• C. Less than 150 Mbps because of 802.11 overhead and contention
• D. More than 150 Mbps because of compression

Answer: C

 

NEW QUESTION 76
You have been tasked with creating a wireless link between two buildings on a single campus. The link must support at least 150 Mbps data rates. What kind of WLAN technology role should you deploy?

• A. Access BSS
• B. WPAN
• C. Wireless bridging
• D. IBSS

Answer: C

Explanation:
https://www.wlanmall.com/what-is-a-wireless-bridge/

 

NEW QUESTION 77
You support a WLAN using dual- band 802.11ac three stream access points. All access points have both the 2.4 GHz and 5 GHz radios enabled and use 40 MHz channels in 2.4 GHz. A manager is concerned about the fact that each access point is connected using a 1 Gbps Ethernet link. He is concerned that the Ethernet link will not be able to handle the load from the wireless radios. What do you tell him?

• A. His concern is invalid because the AP will compress all data before transmitting it onto the Ethernet link.
• B. His concern is valid and the company should immediately plan to run a second 1 Gbps Ethernet link to each AP.
• C. Due to 802.11 network operations and dynamic rates used by devices on the network, the two radios will likely not exceed the 1 Gbps Ethernet link .
• D. His concern is valid and the company should upgrade all Ethernet link to 10 Gbps immediately.

Answer: D

 

NEW QUESTION 78
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 79
Lynne runs a small hotel, and as a value added service for his customers he 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. He wants to avoid this problem at his hotel.
What is an efficient and practical step that Lynne can take to decrease the likelihood of active attacks on his customers' wireless computers?

• A. Implement Network Access Control (NAC) and require antivirus and firewall software along with OS patches.
• B. Require EAP-FAST authentication and provide customers with a username/password on their receipt.
• C. Implement an SSL VPN in the WLAN controller that initiates after HTTPS login.
• D. Enable station-to-station traffic blocking by the access points in the hotel.

Answer: D

 

NEW QUESTION 80
You recently purchased four laptops containing dual-band 802.11ac adapters. The laptops can connect to your 2.4 GHz network, but they cannot connect to the 5 GHz network. The laptops do not show the 5 GHz SSIds, which are different than the 2.4 GHz SSIDs. Existing devices can connect to the 5 GHz SSIDs with no difficulty. What is the likely problem?

• A. DoS attack
• B. Interference from other WLANs
• C. Interference from no-Wi-Fi sources
• D. Faulty drivers Dos attack

Answer: B

 

NEW QUESTION 81
Option 43 must be configured to allow access points to locate controller. In what network service should this option be configured?

• A. RADIUS
• B. DHCP
• C. LDAP
• D. DNS

Answer: B

 

NEW QUESTION 82
You were previously onsite at XYZ's facility to conduct a pre-deployment RF site survey. The WLAN has been deployed according to your recommendations and you are onsite again to perform a post-deployment validation survey.
When performing this type of post-deployment RF site survey for voice over Wi-Fi. what is an action that must be performed?

• A. Application analysis with an active phone call on a VoWiFi handset
• B. Protocol analysis to discover channel use on neighboring APs
• C. Spectrum analysis to locate and identity RF Interference sources
• D. Frequency-band hopping analysis to detect improper RF channel implementations

Answer: C

 

NEW QUESTION 83
What statement about 802.11 WLAN bridges is true?

• A. WLAN bridges must be implemented such that no interference occurs on the channel anywhere between the two endpoints used to establish the bridge
• B. WLAN bridges may support MIMO communication, but only if used in the GHz frequency band
• C. WLAN bridges must use a channel with acceptable SNR at both transceivers to maintain the desired data rate bi-directionally
• D. WLAN bridges only work in the 2.4 GHz frequency band and they support only SISO communications

Answer: B

 

NEW QUESTION 84
To ease user complexity, your company has implemented a single SSID for all employees.
However, the network administrator needs a way to control the network resources that can be accessed by each employee based on their department.
What WLAN feature would allow the network administrator to accomplish this task?

• A. WPA2
• B. RBAC
• C. SNMP
• D. WIPS

Answer: B

 

NEW QUESTION 85
What is an advantage of using WPA2-Personal instead of WEP-128 as a security solution for
802.11 networks?

• A. WPA2-Personal uses 802.1X/EAP for authentication, and WEP-128 uses preshared keys
• B. WPA2-Personal uses dynamic encryption keys, and WEP-128 uses static keys
• C. WPA2-Personal uses CCMP for encryption, and WEP-128 uses TKIP for encryption
• D. WPA2-Personal is based on IEEE 802.11 industry standards, but WEP is not

Answer: B

 

NEW QUESTION 86
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. Create a plan of action and implement it
• B. Document the results and close the case
• C. Escalate the problem to the network administration team
• D. Escalate the problem to the wireless vendor support staff

Answer: C

 

NEW QUESTION 87
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