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Free CWNP CWDP-304 Practice Exam with Questions & Answers | Set: 3

Questions 21

During a post-deployment verification, you are requested to troubleshoot an area where users are experiencing poor throughput. They are using

data communication only, mainly from laptops. You captured the frame showing an incorrect FCS. This frame is typical of those that were

captured by the analyzer.

What does this frame reveal about the RF network in this area?

Options:
A.

One station seems to be streaming video, thus may have reserved significant bandwidth via admission control

B.

Contention Free is in place in this network, which may starve some non-QoS stations from access

C.

Multipath or excessive collisions seem to be an issue in this area

D.

The AP seems to be too far to provide enough coverage to this area

CWNP CWDP-304 Premium Access
Questions 22

You desire to achieve a 450 Mbps MCS. What 802.11n features (from the numbered list below) are required?

1. Frame aggregation

2. Short GI

3. 40 MHz channels

4. 2 spatial streams

5. 3 spatial streams

6. Transmit beamforming (TxBF)

Options:
A.

2, 3, 2

B.

1, 2, 3, 5

C.

1, 2, 3, 4, 6

D.

2, 3, 5

Questions 23

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.)

Options:
A.

Signal degradation

B.

Packet loss

C.

Interference

D.

Retransmissions

Questions 24

What is a radome?

Options:
A.

A type of semi-circular ceiling found in atriums and that is a heavy cause of RF reflection.

B.

A weatherproof piece of plastic covering an antenna or antenna system.

C.

The unit used to measure the signal reflected backward by the end of a cable.

D.

A piece of metal positioned behind APs mounted on outdoor poles, designed to limit the butterfly effect.

Questions 25

Which type of building material causes the most attenuation of Wi-Fi signals'?

Options:
A.

Fire-rated steel door

B.

Brick wall

C.

Drywall

D.

Plywood

Questions 26

When deploying long-distance 802.11 bridge links (10 miles / 16 km), what parameter may be critical for improving data flow by reducing retries

caused by the long distances?

Options:
A.

The sequence control field value

B.

The acknowledgement timeout threshold

C.

The minimum transmit data rate value

D.

The CTS-to-self threshold

Questions 27

What is the most suitable antenna option to be used when designing a WLAN infrastructure with APs mounted on a ceiling with a height of more than 20 feet and having all of the client stations used from the floor?

Response:

Options:
A.

Patch

B.

Dish

C.

Low-gain dipole

D.

Grid

Questions 28

What is the purpose of a Physical Installation Guide document?

Options:
A.

To inform the Install technicians of WLAN frame exchanges and communication methods

B.

To provide clear instructions on the locations and mounting methods, and possible configuration steps for APs

C.

To provide sources for purchasing the equipment needed to implement the WLAN

D.

To prove that the WLAN meets the organization's requirements

Questions 29

When designing a static channel plan for an office using voice devices near an airport, which range of channels should be avoided to ensure

optimal performance when implemented?

Options:
A.

36-40

B.

44-48

C.

116-124

D.

1-11

Questions 30

What is the purpose of defining wall materials in WLAN design software?

Options:
A.

To ensure the attenuation and reflection of the materials die considered during propagation modeling

B.

So that the floor plan looks as much like the target deployment space as possible

C.

It adds color to the floor plan which makes it easier to identify requirement areas

D.

Manager require it, so WLAN designers should do it.

Exam Code: CWDP-304
Certification Provider: CWNP
Exam Name: Certified Wireless Design Professional
Last Update: Jul 11, 2025
Questions: 281

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