최신 CWAP-404 무료덤프 - CWNP Certified Wireless Analysis Professional

문제1

You are repairing a misconfiguration in WMM settings on an AP.
The aCWmin and aCWmax values were all changed.
What is the default aCWmax for AC_BK?

A. 1023

B. 7

C. 1024

D. 15

정답: A

문제2

Which one of the following is required for Wi-Fi integration in laptop-based Spectrum Analyzer software in addition to the spectrum analysis adapter?

A. A firmware upgrade for the spectrum analysis adapter

B. SNMP read credentials to the WLAN controller or APs

C. An 802.11 wireless adaptor

D. A directional antenna

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제3

Given: The exhibit shows a small network environment with dual-band APs.

What is true of the network shown in this spectrum analyzer trace?

A. There are at least three APs operating in this environment.
They are operating on channels 149, 153, and 161.

B. Two 802.11a APs are near the spectrum analyzer and are heavily utilized on channels 149 and
153.

C. Only one AP in this network is configured to use the upper UNII band (UNII-3).
All other APs are in lower 5 GHz channels.

D. There are two 40 MHz BSSs in this environment.
One AP has some 40 MHz traffic while the other AP has no client traffic.

정답: D

문제4

Which one of the following portions of information is communicated in the PHY Header?

A. Noise

B. Signal strength

C. Date rate

D. SNR

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제5

When an originator QoS STA initiates a BlockAck agreement with a recipient QoS STA, what is the first frame sent by the originator?

A. BlockAckPolicyReq

B. ActionBAReq

C. ADDBA Request

D. BlockAckSetupReq

E. BlockAckReq

정답: C

문제6

Which statements are true regarding frame acknowledgement in an IEEE 802.11 WLAN? (Choose 3)

A. A client station's Reassociation Request frames are only acknowledged with a Reassociation Response from the access point and not with an ACK frame.

B. Probe request acknowledgement (sending of a Probe Response frame) is configurable in the access point and is always linked to SSID broadcast configuration in Beacons.

C. Data frame fragments are acknowledged individually (with an ACK frame).

D. In an EDCA BSS, encrypted Data frames are only acknowledged by client stations, never by access points.

E. Following non-QoS Data frames with the More Fragments bit set to 1, the Duration/ID field of the ACK frame is set to a value equal to two SIFS plus the next Data fragment and its ACK.

F. The RA field of ACK frames is always obtained from the Address 2 field in the corresponding frame being acknowledged.

정답: C,E,F

문제7

What action is taken automatically by 802.11 APs and client STAs as the signal strength of the link weakens in order to improve the quality of the RF communications overall?

A. Output power is increased

B. RSSI is increased

C. Antenna gain is increased

D. Data rates are reduced

정답: D

문제8

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. Wi-Fi finder

B. FCC ID Search

C. WLAN controller

D. Spectrum analyzer

정답: B

문제9

When using Wireshark for protocol analysis, what filter will allow you to see only beacon frames?

A. wlan.fc.type_subtype = =0x0b

B. wlan.fc.type_subtype = =0x05

C. wlan.fc.type_subtype = =0x08

D. wlan.fc.type_subtype = =0x04

정답: C

문제10

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?

A. Slow roaming

B. Use of WMM

C. Data rates below 54 Mbps

D. Data rates below 75 Mbps

정답: A

최신 CWAP-404 무료덤프 - CWNP Certified Wireless Analysis Professional

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