CWAP-405 Exam Topics | CWAP-405 Exam Overview

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CWNP CWAP-405 Exam Syllabus Topics:

SectionObjectives
Topic 1: Wireless Troubleshooting and Performance Analysis- Identifying WLAN Performance Issues
- Throughput and Latency Analysis
- Common WLAN Failure Scenarios
Topic 2: WLAN Protocol Analysis- Frame Types and Exchanges (Management, Control, Data)
- MAC Layer Operations and Behaviors
- 802.11 Frame Structure and Fields
Topic 3: Spectrum Analysis and Tools- Wireshark and Packet Capture Analysis
- Interference Identification (Wi-Fi and Non-Wi-Fi)
- Spectrum Analyzer Usage
Topic 4: RF and PHY Layer Analysis- Channelization and Spectrum Usage
- 802.11 PHY Standards Overview
- RF Propagation and Signal Behavior

>> CWAP-405 Exam Topics <<

CWAP-405 Exam Topics Free PDF | Pass-Sure CWAP-405 Exam Overview: Certified Wireless Analysis Professional

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CWNP Certified Wireless Analysis Professional Sample Questions (Q115-Q120):

NEW QUESTION # 115
Which is not a valid interpretation for one of the 4 address fields in the MAC header?

Answer: B

Explanation:
The 802.11 MAC header can contain up to four addresses: source address (SA), transmitter address (TA), receiver address (RA), and destination address (DA). "Sender address" is not a defined field in the standard, making it invalid.


NEW QUESTION # 116
How does a VoIP Phone, using WMM Power Save, request data frames buffered at the AP?

Answer: C

Explanation:
A VoIP phone, using WMM Power Save, requests data frames buffered at the AP by transmitting a trigger frame, which is a QoS Null frame or a QoS Data frame. WMM Power Save is a power saving mode that allows a STA (station) to conserve battery power by periodically sleeping and waking up. WMM Power Save is based on WMM (Wi-Fi Multimedia), which is a QoS (Quality of Service) enhancement that provides prioritized and differentiated access to the medium for different types of traffic. When a STA sleeps, it cannot receive any data frames from the AP, so it informs the AP of its power save status by setting a bit in its MAC header. The AP then buffers any data frames destined for the sleeping STA until it wakes up. When a STA wakes up, it sends a trigger frame to the AP, indicating its AC (Access Category), which is a logical queue that corresponds to its QoS level. A trigger frame can be either a QoS Null frame or a QoS Data frame, depending on whether it has any payload or not. The AP then responds with one or more data frames from the same AC as the trigger frame, followed by an ACK or BA (Block Acknowledgement) frame from the STA.
The other options are not correct, as they are not used by a VoIP phone using WMM Power Save to request data frames buffered at the AP. A PS-Poll (Power Save Poll) frame is used by a STA using legacy power save mode, not WMM Power Save mode, to request data frames buffered at the AP. A PS-Poll frame does not indicate any AC or QoS information. Setting the More Data bit in the MAC header to 1 does not request any data frames from the AP, but indicates that there are more data frames to be sent by the STA or received by the STA. Transmitting a WMM Action frame does not request any data frames from the AP, but performs various management actions related to WMM features, such as admission control, parameter update, etc. References: [Wireless Analysis Professional Study Guide CWAP-405], Chapter 7: QoS Analysis, page
198-199


NEW QUESTION # 117
Why is a high CRC error rate in L2 protocol analysis software NOT always a valid indicator of network performance? (Choose 3)

Answer: A,B,D


NEW QUESTION # 118
You work as an SE for a value-added reseller. A client has an existing deployment of 802.11n Aps and wants to upgrade several BSSs to 802.11ac.
What hardware feature of some enterprise Aps may allow for this without a forklift upgrade?

Answer: A


NEW QUESTION # 119
Which part of a QoS Data frame can be used to advertise its QoS priority?

Answer: C

Explanation:
The QoS Control field in a QoS Data frame carries the Traffic Identifier (TID), which indicates the frame's access category and priority. This allows the AP and client to handle the frame according to its QoS level.


NEW QUESTION # 120
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