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Each format specializes in a specific study style and offers unique benefits, each of which is crucial to good CWNP Wireless Network Administrator (CWNA) (CWNA-109) exam preparation. The specs of each CWNP CWNA-109 Exam Questions format are listed below, you may select any of them as per your requirements.
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: WLAN Troubleshooting and Management | 15% | - Performance and connectivity issues
|
| Topic 2: WLAN Network Architecture and Design Concepts | 15% | - Network design principles
|
| Topic 3: WLAN Protocols and Devices | 20% | - Wireless hardware and software
|
| Topic 4: WLAN Network Security | 15% | - Authentication and encryption
|
| Topic 5: Radio Frequency (RF) Technologies | 20% | - Antenna concepts and types
|
| Topic 6: WLAN Regulations and Standards | 15% | - Regulatory bodies and frequency bands
|
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NEW QUESTION # 56
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?
Answer: A
Explanation:
Airtime Utilization is a per-channel statistic that defines what percentage of the channel is currently being used, and what percentage is therefore free. Airtime usage can come from: Data traffic to and from client devices. Interference from WiFi and non-WiFi sources. Management overhead from APs and client devices.
https://wyebot.com/2019/06/06/understanding-airtime-utilization/
NEW QUESTION # 57
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?
Answer: B
Explanation:
The tool described is a WLAN (Wireless Local Area Network) scanner tool. WLAN scanner tools are designed to provide information about the wireless networks in a given area, including:
Signal Strength: They show the signal strength of all access points (APs) in the vicinity, which is crucial for understanding the coverage area and potential interference. SSID Visualization: These tools display the SSIDs (Service Set Identifiers) of available networks, allowing users to identify different wireless networks easily. Security Settings Information: WLAN scanner tools often show the type of security implemented on each network, such as WPA2, WEP, etc.
Frequency Band Filtering: They allow users to filter and view networks based on the frequency band (2.4 GHz or 5 GHz), which is useful for analyzing network distribution and planning. While protocol analyzers, site survey utilities, and spectrum analyzers are also used in wireless networking, their functions are distinct from what is described:
Protocol Analyzers are more sophisticated and are used to capture and analyze network traffic.
Site Survey Utilities are used to map signal coverage and plan network layouts, often with more advanced features for detailed site surveys.
Spectrum Analyzers provide a detailed view of the frequency spectrum and non-Wi-Fi interference but don't typically focus on SSIDs or security settings. Thus, the correct answer is D, a WLAN scanner tool, based on the functionalities described.
NEW QUESTION # 58
What type of site survey is conducted using AP simulation, such as placing a single AP and adjusting its position or power to model expected coverage, often performed before a live WLAN is deployed?
Answer: A
Explanation:
A predictive site survey uses software to model expected RF coverage based on a facility's floor plan, building materials, and estimated AP placement, without requiring physical access to the site or a live WLAN. This is often done during the initial design phase to estimate the number and placement of APs needed. It is typically followed by an active or passive survey after installation to validate real-world coverage and make any necessary adjustments, since predictive models cannot perfectly account for all real-world RF behaviors.
NEW QUESTION # 59
What type of antenna is commonly used indoors, provides an omnidirectional horizontal radiation pattern, and is often mounted on a wall or built into an access point?
Answer: D
Explanation:
A dipole antenna is a common omnidirectional antenna used in indoor WLAN deployments. It radiates RF energy in a 360-degree horizontal pattern, resembling a donut shape when viewed from the side, with nulls directly above and below the antenna. Dipole antennas are frequently built into access points or mounted externally, and are well-suited for environments where coverage is needed in all directions around the antenna, such as open office spaces.
NEW QUESTION # 60
An AP is advertised as a tri-band, 4x4:4, Wi-Fi 6, 802.11ax AP. Based on this information and assuming it is correctly advertised, what can be determined as certainly true about this AP?
Answer: B
Explanation:
Based on the information given, what can be determined as certainly true about this AP is that it has 4 radio chains. A radio chain is a hardware component that consists of an antenna, a radio frequency (RF) amplifier, and a transceiver. The number of radio chains indicates how many spatial streams an AP can transmit or receive simultaneously using Multiple Input Multiple Output (MIMO) technology. The notation x:y:z in an AP specification denotes the number of radio chains (x), the number of spatial streams (y), and the number of spatial streams per band (z). Therefore, a tri-band, 4x4:4, Wi- Fi 6, 802.11ax AP has four radio chains in each of its three bands (2.4 GHz, low 5 GHz, and high 5 GHz). It also supports four spatial streams in total and four spatial streams per band. It cannot be determined as certainly true that it supports four channels in each band, UL-MU-MIMO, or uses a modified OpenWRT firmware based on the information given.
NEW QUESTION # 61
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