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Pearson CWDP-304 New Attempt

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Question 48

What is the primary reason for avoiding 160 MHz channels with 802 11 in the 5 GHz band'?

Options:

A.

Only two oi three 160 MHz channels exist in the current frequency allocation, tn some regulatory domains only one exists

B.

The data rate becomes too high which causes some clients to gam access to the medium and never let it go

C.

The output power requited for 160 MHz channels is more than most regulatory domains allow

D.

No APs exist in production that can implement 160 MHz channels

Question 49

If the amplifier in Question 4 has a noise figure of 10 dB but a gain of 0 dB, what is the total noise figure of the cable, amplifier, and filter in series?

Response:

Options:

A.

75 dB

B.

16 dB

C.

10 dB

D.

70 dB

Question 50

When surveying an existing WLAN infrastructure for a possible redesign, you use two Wi-Fi USB adapters to collect RSSI data and two USB

spectrum analysis adapters to collect RF spectrum data. Since your laptop doesn't have enough USB ports, you use a 4-port powered USB 3.0 hub.

What issues could be caused by the use of USB 3.0 that will impact your site survey?

Options:

A.

It does not give you enough bandwidth to collect data coming from all of the adapters.

B.

It does not give you enough power for all four of your adapters.

C.

It generates noise in the 2.4 GHz band, giving you a false perception of the noise floor.

D.

It generates noise in the 5 GHz band, giving you a false perception of the noise floor.

Question 51

How much more power can a 1 Mbps 802.11b signal have than a 54 Mbps 802.11g signal if it is sent through a saturated amplifier?

Response:

Options:

A.

5 dBm

B.

2 dBm

C.

2 dB

D.

5 dB

Page: 12 / 20
Exam Code: CWDP-304
Exam Name: Certified Wireless Design Professional
Last Update: Nov 7, 2024
Questions: 281
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