While troubleshooting DHCP issues, you perform a protocol capture in order to determine if the DNCP pool is depleted. The capture does not show DHCPnak messages.
Where else could you look to determine if the pool is depleted?
A. Spectrum analyzer
B. AP logs
C. Switch logs
D. DHCP server logs
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
You are using a Wireless Aggregator utility to combine multiple packet captures. One capture exists for each of channels 1, 6 and 11.
What kind of troubleshooting are you likely performing with such a tool?
A. Interference source location.
B. Narrowband DoS attack detection.
C. Wireless adapter failure analysis.
D. Fast secure roaming problems.
正解:A
質問 3:
You are analyzing a problem with a specific client adapter. The vendor specifications sheet does not provide detailed information.
What tool can you use to provide the most detailed specification information in many such cases?
A. Spectrum analyzer
B. WLAN controller
C. Wi-Fi finder
D. FCC ID Search
正解:D
質問 4:
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 + one ACK duration + three SIFS
B. RTS Duration field = Data or management to be sent frame duration
C. RTS Duration field = CTS duration
D. RTS Duration field = Data or management frame to be sent duration + CTS duration
正解:A
質問 5:
You are using a laptop-based protocol analyzer to scan all channels and determine the basic configuration of the WLAN Basic Service Set in your facility. You are scanning all channels. All configured with default settings.
What can you change to cause the scan to run faster while still APs are capturing beacon frames on all the channels?
A. Configure the scan time for channels to 300-500 ms
B. Configure the RBW to more than 120 kHz
C. Configure the scan time for channels to <100 ms
D. Configure the fragmentation threshold to 1500 bytes
正解:B
質問 6:
What element was added to the general frame of 802.11 with the 802.11e amendment and the 802.11-2007 rollup?
A. RSN-IE
B. QoS Control
C. HT Control
D. Address 4
正解:B