CWDP-305 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
The thermal noise is at 174 dBm/Hz. A spectrum analyzer has a resolution bandwidth of 1 kHz and a 5 dB noise figure.
What is the level of the noise floor?

A.174 dBm
B.139 dBm
C.144 dBm
D.204 dBm

正解:

Question No : 2
What is the most cost-effective way to accurately measure the height of a ceiling when ladder use is not allowed?

A.Estimate the height based on known object sizes
B.Gather measurements from other objects and do the math
C.Rent a lift-cart to lift you up to the ceiling
D.Use a laser measure to measure the distance from the floor to the ceiling

正解:

Question No : 3
What document is typically created to launch a project?

A.Project Charter
B.Budget
C.Bill of Materials
D.Work Breakdown Structure

正解:

Question No : 4
In a PC-based spectrum analyzer, what data chart identifies the overall RF utilization of a specific frequency in the environment being surveyed?

A.FFT Max Hold
B.FFT Average
C.Swept Spectrogram
D.Duty cycle

正解:

Question No : 5
You told your customer that multipath fading may be mitigated simply by moving one or both of the receivers antennas a small amount, usually by one to four wavelengths away from its original position. Your customer is prepared to make the change, but does not know the wavelength for 802.11ac.
What is the approximate wavelength of an 802.11ac radio wave?

A.5.5 cm (2.16 inches)
B.12 cm (4.72 inches)
C.15.24 cm (6 inches)
D.45 cm (17.71 inches)

正解:

Question No : 6
What are the deliverables to your customer after successfully implementing a WLAN infrastructure?

A.Digital or physical assets, guides, floorplans and configuration documents
B.Project Charter
C.Facility blueprints
D.Nothing is required. The implemented WLAN was deliverable

正解:

Question No : 7
A controller-based WLAN infrastructure has its controller on a different subnet than its APs.
What device must be used to enable any communication between the Controller and the APs?

A.NTP server
B.Router
C.PoE Layer 2 switch
D.Wireless bridge

正解:

Question No : 8
Your new customer is concerned about maintaining privacy for their proprietary information when you conduct information gathering for their WLAN design.
Which document can you use to directly address their concern?

A.NDA
B.SoW
C.BoM
D.Hold Harmless

正解:

Question No : 9
You are working on a VoWLAN design with your customer's wired networking team.
How many distinct priority levels do you expect for the voice applications?

A.1 priority level, but 2 queues (one for uplink traffic, one for downlink traffic)
B.1 priority level per client and AP pair, so the total number depends on the expected number of clients
C.1 priority level for voice RTP, 1 priority level for voice control and RTCP
D.1 priority level for VoWLAN client traffic, 1 priority level for wired VoIP client traffic

正解:

Question No : 10
A company wants to connect its headquarters to its remote office that is 13 kilometers away using a wireless bridge.
What requirement must not be forgotten by their Wireless Engineer when considering the Fresnel Zone?

A.Earth bulge
B.Antenna gain
C.FSPL
D.Receive sensitivity

正解:

Question No : 11
What advantage provided by 802.11n and 802.11ac is not usable in 1X1:1 low-end client devices?

A.Mandatory data rates
B.Channel bonding
C.MCS data rates
D.Maximal Ratio Combining

正解:

Question No : 12
You have determined the best mounting locations for APs in a given installation. The facilities manager has asked you to change the locations for several APs due to aesthetic concerns. You suggest mounting the APs in the ideal locations and painting them so they go unnoticed in the environment.
What is a valid recommendation or consideration when painting APs?

A.Always use paints with metallic dye in them to prevent potential RF propagation impact.
B.Painting APs will significantly reduce the output power.
C.Painting APs may void the product manufacturer's warranty.
D.Most AP models for indoor environments come in a variety of form factors and colors. Painting is never recommended.

正解:

Question No : 13
After designing a WLAN infrastructure using predictive design software.
What's the best way to validate the predictive design in the physical space before deployment, if time and budget allow for it?

A.Deploy all of the APs as they're shown in the predictive design and perform an active site survey.
B.Deploy all of the APs as they're shown in the predictive design and perform a passive site survey.
C.Use a client device positioned where the APs will be installed and measure the signal from the client device.
D.Perform an AP-on-a-Stick survey using AP locations based upon the predictive design to confirm each AP's placement.

正解:

Question No : 14
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?

A.5 dBm
B.2 dBm
C.2 dB
D.5 dB

正解:

Question No : 15
Which operational plane would be responsible for performing automated RF management?

A.Integration
B.Data
C.Distribution
D.Control
E.Management

正解:

CWNP CWDP-305 問題練習