PDF version, Soft version, APP version

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CWNP Certified Wireless Analysis Professional Sample Questions:

1. 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 CRC rates
B) High 802.11 retry rates
C) WMM QoS issues
D) DHCP problems

2. You are evaluating a protocol capture file in Wireshark. The following filter is applied:
wlan_radio.11ac.bandwidth - - 4
What kind of frames are displayed?

A) Only 80 MHz frames
B) Only frames supporting 4 radio chains
C) Only 40 MHz frames
D) Only frames supporting 4 spatial streams

3. You have captured 802.11 traffic using an adapter that includes the radio tap header. You see several frames often called announcement frames in the capture.
What best describes these types of frames?

A) They are meant to provide information to the network that may result in state changes, but they are not open for rejection
B) They only include beacon and probe response frames
C) They are used to allow a STA to awake from sleep and for no other reason
D) They only include beacon and probe request frames

4. 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) Non-Wi-Fi device count
B) Utilization
C) The frequency used
D) Retries

5. When using a commercial WLAN protocol analyzer, you notice that it is listing vendor names for some APs and client STAs.
What is the source of this information?

A) DNS name resolution
B) Vendor OUI values
C) Banner grabbing
D) Broadcast name resolution

Solutions: