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CWNP CWAP-402 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| WLAN Hardware | 15% | - Wireless Client Devices
|
| Troubleshooting Processes | 5% | - Wireless Troubleshooting Methodologies
|
| Troubleshooting Common Problems | 20% | - Client-Side Issues
|
| 802.11 Communications | 25% | - 802.11 Operations and Frame Exchanges
|
| Protocol and Spectrum Analysis | 35% | - Protocol Analysis
|
CWNP Certified Wireless Analysis Professional Sample Questions:
As the WLAN engineer in your organization, you must troubleshoot performance problems related to co-channel interference (CCI).
What is a good measurement of CCI impact in addition to the number of APs seen on a channel?
- A. The frequency used
- B. Retries
- C. Non-Wi-Fi device count
- D. Utilization
Correct Answer: A 🗳️
What is the formula used to calculate the Duration field value in an RTS frame?
- A. RTS Duration field = Data or management frame to be sent duration + CTS duration
- B. RTS Duration field = CTS duration
- C. RTS Duration field = Data or management to be sent frame duration
- D. RTS Duration field = Data or management frame to be sent duration + CTS duration + one ACK duration + three SIFS
Correct Answer: D 🗳️
You are responsible for troubleshooting and analysis of the WLAN in your organization that supports more than 700 client STAs. Forty APs are deployed and they are all dual-band
APs and are controller-based. You must troubleshoot the wired side in some scenarios using a protocol analyzer.
Which one of the following problems would warrant wired-side analysis in most situations?
- A. High 802.11 retry rates
- B. DHCP problems
- C. High 802.11 CRC rates
- D. WMM QoS issues
Correct Answer: D 🗳️
A new firmware has been released for the AP model you use in your WLAN. You have more than 120 of these APs installed.
What is a good reason for applying a firmware update on an enterprise AP?
- A. Enable 4x4:4 spatial streams on a 3x3:3 AP
- B. Enable the short guard interval
- C. Enable new security features and patch vulnerabilities
- D. Disable lower data rates
Correct Answer: C 🗳️
During an initial install of a controller-based WLAN, the APs are not locating the WLAN controller. The controller is two router hops away from the nearest AP. DHCP is not used.
When performing a packet trace, you see a DNS response code of 3 targeted at one of the
APs.
What is the problem?
- A. The router is not forwarding packets to the DNS server
- B. The controller host record has not been created in the DNS server
- C. The authentication to the DNS server failed
- D. The DNS server is not authoritative for the domain
Correct Answer: B 🗳️
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