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When using a spectrum to look for non Wi-Fi interference sources, you notice significant interference across the entire 2.4 GHz band (not on a few select frequencies) within the desktop area of a users workspace, but the interference disappears quickly after just 2 meters. What is the most likely cause of this interference?
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?
Which one of the following channels can be used for VHT transmissions according to the 802.11 specification?
What statement describes the authorization component of a AAA implementation?
A WLAN is implemented using wireless controllers. The APs must locate the controllers when powered on and connected to the network. Which one of the following methods is commonly used to locate the controllers by the APs?
An IEEE 802.11 amendment is in the daft state. What impact does this draft amendment have on the 802.11 standard?
You must plan for POE in an office environment. Which one of these devices is least likely to be a POE PSE?
Which one of the following is not a factor considered when calculating the Link Budget for an outdoor point-to- point WLAN bridge link?
You have received a report of poor wireless connections on the third floor of a building under your administration. Three individuals have reported the problem. Apparently, the connections are reporting a strong signal, but the users cannot access the Internet. With the problem identified, what is the next logical step in the troubleshooting process?
A dual-band 802.11ac AP must be powered by PoE. As a class 4 device, what power level should be received at the AP?

Question 15 - CWNA-109 discussion

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Your manager asked you to locate a solution that allows for centralized monitoring of WLAN performance over time. He wants a single pane of glass for administration and monitoring of the solution. What do you recommend?

A.
Laptop-based spectrum analyzers
Answers
A.
Laptop-based spectrum analyzers
B.
AP-based spectrum analysis
Answers
B.
AP-based spectrum analysis
C.
Overlay WLAN monitoring solution
Answers
C.
Overlay WLAN monitoring solution
D.
Laptop-based protocol analyzers
Answers
D.
Laptop-based protocol analyzers
Suggested answer: C

Explanation:

The solution that you recommend is anOverlay WLAN monitoring solution. An Overlay WLAN monitoring solution is a system that uses dedicated sensors or probes to monitor the WLAN performance over time. The sensors are deployed throughout the WLAN coverage area and collect data on various metrics such as signal strength, noise level, channel utilization, interference, throughput, latency, packet loss, and QoS. The sensors send the data to a centralized server or appliance that analyzes the data and provides a single pane of glass for administration and monitoring of the solution. An Overlay WLAN monitoring solution can help to detect and troubleshoot WLAN issues, optimize WLAN performance, and generate reports and alerts.Reference:[CWNP Certified Wireless Network Administrator Official Study Guide: Exam CWNA-109], page 538; [CWNA: Certified Wireless Network Administrator Official Study Guide: Exam CWNA-109], page 508.

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asked 16/09/2024
Nelson Mira
44 questions
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