CWAP-405問題集最新の2026年08月29日練習テスト143リアル解答があります [Q30-Q51]

新問題 30
Finish the statement:
It is possible to distinguish between _______ 22 MHz transmissions and ______ 20 MHz transmissions when looking at an FFT plot.

新問題 31
Which is not a valid interpretation for one of the 4 address fields in the MAC header?

新問題 32
What is encrypted within the third message of the 4-Way Handshake?

新問題 33
When would you expect to see a Reassociation Request frame’

新問題 34
ABC Company is having VoWiFi latency problems on their 802.11g WLAN. A wireless administrator has noticed in the phone’s client utilities software that the MAC CRC Error count is higher on stations with problems than on those client stations without problems. A high MAC CRC Error count is attributable to which of the following? (Choose 3)

新問題 35
You have been asked to recommend a protocol analysis solution that uses open source software and works with the Linux platform. It must provide decoding of 802.11ac frames and minimal support for reporting and statistics.
What solution would you recommend?

新問題 36
In the 2.4 GHz band, what data rate are Probe Requests usually sent at from an unassociated STA?

新問題 37
What is the default 802.11 authentication method for a STA when using Pre-RSNA?

新問題 38
What should the To DS and From DS flags be to set to in an Association Response frame?

新問題 39
Which piece of information is not transmitted in an HT PPDU header?

新問題 40
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?

新問題 41
To what data rates can a 5 GHz PHY device shift when changers occur in the signal strength?

新問題 42
What is the maximum number of client stations that can receive concurrent OFDMA transmissions from an 802.11ax AP in a 20 MHz channel?

新問題 43
Which one of the following is not a valid acknowledgement frame?

新問題 44
The network administrator at ABC Engineering has taken a large packet capture from one of their APs running in monitor mode. She has very little knowledge of 802.11 protocols but would like to use the capture file to evaluate the overall health and performance of their wireless network.
When she asks your advice, which tool do you recommend she opens the packet capture file with?

新問題 45
Which one of the following should be the first step when troubleshooting a WLAN issue?

新問題 46
Which one of the following tools would be the best to most accurately measure the noise floor?

新問題 47
Protocol analyzers require the installation of a customized driver to place a USB adapter into which mode that allows capture of all wireless frames on the channel?

新問題 48
VoIP is used heavily in your organization. You must troubleshoot problems with dropped calls on the WLAN.
What is a common cause of dropped calls when using Wi-Fi VoIP phones?

新問題 49
You are tasked with describing the various frames used in 802.11 communications.
What frame is used for spectrum management, fast BSS transition and some other actions taken within a BSA?

新問題 50
Which statement is true regarding the Association Identifier (AID) used in IEEE 802.11 WLANs?

新問題 51
You are troubleshooting a connection problem with a client STA. Regardless of the AP to which it attempts to connect, the connection fails. Using a wired protocol analyzer, you determine that the problem is with the
802.1X/EAP authentication to the RADIUS server.
What layer or range of layers of the OSI model revealed this information?