CWSA-101 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
What consideration is found in PtMP systems that is not found in PtP systems?

A.Interference avoidance
B.SINR optimization
C.Airtime management
D.Frequency selection

正解:

Question No : 2
What factor severely limits the range of systems operating in the 60GHz band?

A.Atmospheric Scattering
B.Solar Radiation
C.Rain Fade
D.Oxygen Fade

正解:

Question No : 3
What does the number in the various Quadrature Amplitude Modulation levels, such as 16 in QAM-16 and 64 in QAM-64, indicate? (Choose the single best answer.)

A.The number of spatial streams, which is the 1/4 the number in the QAM level
B.The speed of data transfer, which is four times the number in the QAM level
C.The number of target points in the QAM constellation, which are equivalent to amplitude and phase combinations
D.The channel width, which is stipulated in MHz

正解:

Question No : 4
How is ASK modulation different from FSK modulation?

A.FSK is more sensitive to noise than ASK
B.ASK does not work at high frequencies
C.ASK can carry more data than FSK
D.ASK varies the amplitude of the signal while FSK shifts its frequency

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Question No : 5
What is defined as the weakening of signal amplitude as the signal passes through a medium?

A.Attenuation
B.Diffraction
C.Reflection
D.Scattering

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Question No : 6
What is the benefit of using SINR as opposed to SNR to reference signal quality at a receiver?

A.SNR excludes the noise floor, which skews the results
B.SNR includes interference measurements that skew the results
C.SINR includes interference as well as the noise floor
D.SINR excludes interference and only measures the noise floor

正解:

Question No : 7
What best describes the area covered or connected by a WWAN?

A.Campus
B.Region
C.City
D.In-building

正解:

Question No : 8
You have been asked to consider smart building opportunities for your organization.
Which one of these is a benefit of smart building technology?

A.Faster Wi-Fi connectivity
B.Increased vacation time for building managers
C.Reduced design and construction costs
D.Improved operational efficiency

正解:

Question No : 9
Which one of the following is NOT a typical Smart City application?

A.City-wide municipal Wi-Fi
B.Pollution monitoring
C.Demand-based road tolling
D.Self-driving ride sharing

正解:

Question No : 10
What is the typical range of a wireless body area network (WBAN)?

A.10 meters
B.1-2 meters
C.10 centimeters
D.10 square meters

正解:

Question No : 11
What organization maintains and publishes the 802.15.4 Standard?

A.Bluetooth SIG
B.IETF
C.Zigbee Alliance
D.IEEE

正解:

Question No : 12
What is the role of the ITU in wireless communications?

A.Defines international communications standards
B.Oversees communications regulatory agencies in each country
C.Coordinates the shared global use of the radio spectrum
D.Establishes wireless radiation exposure limits

正解:

Question No : 13
What part(s) of the OSI network model does the IETF primarily focus on for the development of standards?

A.Network Layer and above
B.Physical Layer
C.All layers
D.Data Link Layer

正解:

Question No : 14
What function does the IEEE perform in relation to wireless technologies?

A.Designs wireless chipsets
B.Represents industry vendors
C.Promotes technology and standards development
D.Brings wireless products to market

正解:

Question No : 15
You are considering the implementation of a lab for testing wireless equipment.
What is the primary benefit of such a lab? (Choose the single best answer.)

A.Provides a way to repurpose old hardware that is not ready for final removal
B.Provides a failover environment for your production systems
C.Provides for testing to determine how much RF exposure you can tolerate
D.Provides a safe environment in which to develop practical skills and knowledge of a technology and to test the technology

正解:

CWNP CWSA-101 問題練習