CWDP-304 Exam Dumps - Certified Wireless Design Professional

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Question # 49

What method improves throughput in a low SNR environment?

Response:

64-QAM

A-MSDU frame aggregation

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Question # 50

What best describes ensuring coverage requirements in a deployed WLAN?

Measuring the signal strength and number of APs at each location and comparing it to the requirement specifications

Verifying that the WLAN can be seen from all required locations

Verifying that you can connect to the WLAN from all required locations with the least capable device

Verifying that a 3x3:3 gaming laptop can connect to the WLAN from all required locations

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Question # 51

A high power radio system transmits at 40,000 Watts. What is this power in dBm? Solve this without a calculator.

Response:

46 dBm

76 dBm

56 dBm

66 dBm

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Question # 52

What advantages are provided by per-user PSKs when compared with ESS-wide PSKs?(Choose all that apply.)

Response:

Per-user PSKs allow easier user-based access control with WPA/WPA2-Personal security.

Per-user PSKs are easier to manage if a PSK is compromised or an employee leaves a company.

Per-user PSKs are standardized and certified by the Wi-Fi Alliance.

Per-user PSKs are more secure than ESS-wide PSKs because they support mutual authentication.

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Question # 53

While performing a validation site survey, you realize that overlapping channels are being used on the 2.4 GHz bad due to the automatic channel assignment algorithm of the WLAN infrastructure.

What should you do to prevent this?

Response:

Reconfigure the network to use static channel plans because automatic channel assignment algorithms are all broken

Purchase and deploy new APs from a different vendor

Reconfigure the automatic channel assignment settings to use only channels 1, 6, and 11

Leave it as it is; sometimes using all 11 channels in 2.4 GHz gives the optimum performance result

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Question # 54

Which one of the following is an essential metric to measure when performing a survey and design for VoIP across WLANs?

Throughput rates above 50 Mbps

Data rates above 100 Mbps

Latency

PoE provided to wireless handsets

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Question # 55

What limitation exists when WMM is not enabled on an 802.11n WLAN?

Response:

The maximum channel-width will be 20MHz

Only two ACs will be available

EDCA values will change

802.11 QoS will not be available

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Question # 56

In most WLAN design tools, after defining project parameters or during the project creation wizard what action will you take before you can begin the actual design process?

Place APs

Define cabling

Import a floor plan

Define wall materials

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