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What organization maintains and publishes the 802.15.4 Standard?
What organization maintains and publishes the 802.15.4 Standard?A . Bluetooth SIGB . IETFC . Zigbee AllianceD . IEEEView AnswerAnswer: D
What is defined as the weakening of signal amplitude as the signal passes through a medium?
What is defined as the weakening of signal amplitude as the signal passes through a medium?A . AttenuationB . DiffractionC . ReflectionD . ScatteringView AnswerAnswer: A
What is the primary benefit of such a lab?
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 removalB . Provides a failover environment for your production systemsC...
What part(s) of the OSI network model does the IETF primarily focus on for the development of standards?
What part(s) of the OSI network model does the IETF primarily focus on for the development of standards?A . Network Layer and aboveB . Physical LayerC . All layersD . Data Link LayerView AnswerAnswer: D
What is the role of the ITU in wireless communications?
What is the role of the ITU in wireless communications?A . Defines international communications standardsB . Oversees communications regulatory agencies in each countryC . Coordinates the shared global use of the radio spectrumD . Establishes wireless radiation exposure limitsView AnswerAnswer: C
What consideration is found in PtMP systems that is not found in PtP systems?
What consideration is found in PtMP systems that is not found in PtP systems?A . Interference avoidanceB . SINR optimizationC . Airtime managementD . Frequency selectionView AnswerAnswer: A
What is the benefit of using SINR as opposed to SNR to reference signal quality at a receiver?
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 resultsB . SNR includes interference measurements that skew the resultsC . SINR includes interference as well as the noise floorD . SINR excludes...
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.)
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 levelB . The speed of data transfer, which is...
Which one of these is a benefit of smart building technology?
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 connectivityB . Increased vacation time for building managersC . Reduced design and construction costsD . Improved operational efficiencyView AnswerAnswer: B
What is the typical range of a wireless body area network (WBAN)?
What is the typical range of a wireless body area network (WBAN)?A . 10 metersB . 1-2 metersC . 10 centimetersD . 10 square metersView AnswerAnswer: A
