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CWNP CWNA-109 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: WLAN Network Architecture and Design Concepts15%- WLAN deployment architectures
  • 1. Roaming and mobility
  • 2. Coverage and capacity planning
- Network design principles
  • 1. Site survey methodologies
Topic 2: WLAN Troubleshooting and Management15%- Monitoring and maintenance
  • 1. Management protocols and tools
- Performance and connectivity issues
  • 1. Interference, coverage, and configuration problems
Topic 3: WLAN Protocols and Devices20%- 802.11 frame types and formats
  • 1. Frame exchange and channel access
- Wireless hardware and software
  • 1. Access points, controllers, and clients
  • 2. Power over Ethernet (PoE)
Topic 4: Radio Frequency (RF) Technologies20%- RF fundamentals and behavior
  • 1. RF signals and characteristics
  • 2. RF mathematics and measurements
- Antenna concepts and types
  • 1. Antenna operation and selection
  • 2. Signal propagation and coverage
Topic 5: WLAN Regulations and Standards15%- IEEE 802.11 standards and amendments
  • 1. PHY and MAC layer specifications
- Regulatory bodies and frequency bands
  • 1. Transmit power and channel rules
Topic 6: WLAN Network Security15%- Authentication and encryption
  • 1. WPA2/WPA3, 802.1X, EAP
- Security threats and mitigation
  • 1. Attacks, monitoring, and hardening

>> New CWNA-109 Exam Questions <<

Real CWNP Exam Questions And Answers From CWNA-109​​​​​​​

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CWNP Wireless Network Administrator (CWNA) Sample Questions (Q24-Q29):

NEW QUESTION # 24
What field within a Beacon frame is used to inform sleeping stations that the AP has buffered broadcast or multicast traffic to be delivered?

Answer: A

Explanation:
The Traffic Indication Map (TIM) is a field included in every Beacon frame that indicates which associated stations, identified by their Association ID, have buffered unicast frames waiting at the AP. A special variant, the Delivery Traffic Indication Map (DTIM), is sent at a configured interval and informs stations that buffered broadcast or multicast traffic will be delivered following that particular beacon. Stations in power save mode wake periodically to check the TIM/DTIM and determine whether they need to retrieve buffered data.


NEW QUESTION # 25
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 9dBi gain, what is the EIRP at the antenna element?

Answer: B

Explanation:
To calculate the EIRP at the antenna element, we need to add the transmitter output power, subtract the cable loss, and add the antenna gain. All these values need to be converted to dBm first, if they are not already given in that unit. In this case, we have:
Transmitter output power = 50 mW = 10 log (50) dBm = 16.99 dBm Cable loss = 3 dB Antenna gain = 9 dBi EIRP = Transmitter output power - Cable loss + Antenna gain EIRP = 16.99 - 3 + 9 EIRP = 22.99 dBm Rounding up to the nearest integer, we get 23 dBm as the EIRP at the antenna element.


NEW QUESTION # 26
When compared with legacy Power Save mode, how does VHT TXOP power save improve battery life for devices on a WLAN?

Answer: B

Explanation:
VHT TXOP (Very High Throughput Transmit Opportunity) power save is a feature introduced with the
802.11ac amendment, which is designed to improve the power efficiency of devices connected to a WLAN.
This feature enhances battery life in several ways, compared to the legacy Power Save mode:
* Enhanced Power Saving: VHT TXOP power save allows devices to disable more components of the WLAN transceiver when they are in a low power state. This reduces the power consumption during periods when the device is not actively transmitting or receiving data.
* Intelligent Wake-Up Mechanisms: It employs more sophisticated mechanisms for devices to determine when they need to wake up and listen to the channel, further reducing unnecessary power usage.
* Optimized Operation: This power save mode is optimized for the high-throughput environment of
802.11ac networks, allowing devices to efficiently manage power while maintaining high performance.
Legacy Power Save mode, introduced in earlier versions of the 802.11 standards, does not provide the same level of component disablement or the intelligent wake-up mechanisms found in VHT TXOP power save, making option B the correct answer.
References:
IEEE 802.11ac-2013 Amendment: Enhancements for Very High Throughput for Operation in Bands below 6 GHz.
CWNA Certified Wireless Network Administrator Official Study Guide: Exam CWNA-109, by David D.
Coleman and David A. Westcott.


NEW QUESTION # 27
What 802.11 amendment provides Radio Resource Management (RRM) capabilities, allowing client stations to request neighbor reports from an AP to assist with roaming decisions?

Answer: C

Explanation:
802.11k, also known as Radio Resource Management, allows client stations to request a neighbor report from their currently associated AP, which contains information about nearby APs, including channel and signal information. This helps the client make faster and more informed roaming decisions without needing to perform a full scan of all available channels. 802.11k is often deployed alongside 802.11r for fast, efficient roaming, and 802.11v for network-assisted client steering.


NEW QUESTION # 28
You are attempting to locate the cause of a performance problem in two WLAN cells in a mostly overlapping coverage area. You note that one AP is on channel 1 and the other is on channel 2. When you document your findings, what term do you use to describe the problem in this configuration?

Answer: A


NEW QUESTION # 29
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