CWDP-304 Exam Dumps - Certified Wireless Design Professional

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Question # 41

An associated STA detects a new BSS with the same SSID as the STA's current BSS. The new BSS uses a different IP subnet than the current BSS.

If the STA is configured to use 802.1X/EAP preauthentication, what is likely to occur?

The STA will not attempt to preauthenticate because the new BSS uses a different IP subnet.

The STA will attempt to preauthenticate, but fail because the new BSS uses a different data-link broadcast domain.

The STA will attempt to preauthenticate and succeed if DHCP is supported on the new subnet.

The STA will attempt to preauthenticate and succeed if IP Mobility is enabled on the AP or WLAN controller.

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Question # 42

NicoCo is building a new facility and would like to install a WLAN for primary connectivity of all clients. The requirements are dual-spectrum 802.11n supporting voice and location tracking.

What type of pre-deployment survey should be performed?

Response:

Passive, using optimized channels

Active, using a voice handset

Active, using a lowest common denominator client

Predictive

Passive, all channels

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Question # 43

What document can be useful when determining client capabilities in a WLAN design project?

Bill of Materials

Certificate of ownership

Purchase receipt

Specifications sheet

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Question # 44

As a device starts to shift to lower PHY rates, what factors usually influence a device decision to shift to lower PHY rates?(Choose all that apply.)

Signal degradation

Packet loss

Interference

Retransmissions

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Question # 45

You are tasked with designing the WLAN to accommodate certain high density areas on your university campus where users frequently come and

go. With a limited DHCP pool size (subnet mask = 255.255.252.0) for this WLAN subnet, you want to ensure that your DHCP addresses are used

efficiently and are not exhausted, which would prevent new client Layer 3 connections. The DHCP server is a Windows Server 2012 R2 machine.

Your design task is to determine the best configuration to allow as many users as possible while avoiding WLAN service interruptions and also to

use the available addresses as efficiently as possible.

What setting would be most effective at achieving this design task?

Set the RTS threshold to 2346 bytes

Set the inactive wireless client timeout (client age-out) to 5 minutes

Set the maximum client limit per radio to 64

Set the DHCP lease for this pool to 20 minutes

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Question # 46

You are site surveying a network for VoWiFi. You have positioned an AP for a manual survey and are moving away from the AP with a phone in

Survey Mode in your hand and you are reading the RSSI value of the signal received from the AP. You have previously determined that the noise

floor was approximately -94 dBm on this floor of the building. The phones documentation does not specify a recommended RSSI or SNR value for

best performance.

Based on the information provided and the type of device (VoWiFi phone) you are deploying, what minimum RSSI should you plan for in all areas

you are monitoring and where VoWiFi service is desired?

- 75 dBm

- 72 dBm

- 67 dBm

- 62 dBm

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Question # 47

A designer has created a WLAN design that has been implemented in an organization. The network exists in a four-story building Because each floor has an Identical floor plan, the designer designed only one floor and had the installers duplicate the design on each floor. Now. in validation, it is not performing well What best explains the problem caused by this process?

The result was that APs were above and below each other on the same channel, resulting in excessive CCI The APs should have been deployed so that they were not directly above and below each other and so that they used varying channels between floors

The result was that clients could only connect to APs on their floor and, in a multi-floor deployment, you want clients to connect to APs on other floors in case they roam between floors.

The result was that AC) was increased because the APs were deployed above and below each other on the same channels.

The result was that the frequency utilization was too low for the clients to capture RF waves on which to transmit their signals.

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Question # 48

When performing an indoor predictive site survey to make the WLAN planning and design cycle more efficient, what is a best practice for configuration of the simulated APs in the predictive modeling software?

Response:

Always use the default 2.2 dBi omnidirectional antenna patterns for simulated APs.

If dynamic RRM will be used, AP transmit power should be set to an estimated average level of the expected client devices, such as 25 mW.

All simulated APs should be set to 20 MHz channels only.

Defining custom AP and antenna patterns will yield more accurate prediction data than the pre-configured vendor AP/antenna combinations.

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