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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 speed of data transfer, which is four times the number in the QAM levelB . The channel width, which is stipulated in...
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 . DiffractionB . ReflectionC . AttenuationD . ScatteringView AnswerAnswer: C
What primary component is required to implement a wireless transceiver in a device?
What primary component is required to implement a wireless transceiver in a device?A . GPIO pinsB . SRAMC . Flash memoryD . RadioView AnswerAnswer: D
What part(s) of the OSI network model does the IETF primarily focus on for the development f standards?
What part(s) of the OSI network model does the IETF primarily focus on for the development f standards?A . Physical Layerand aboveB . All layersC . Network Layer and aboveD . Data Link LayerView AnswerAnswer: C
What best describes the area covered or connected by a WWAN?
What best describes the area covered or connected by a WWAN?A . CityB . CampusC . RegionD . In-buildingView AnswerAnswer: C
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 . Increased vacation time for building managersB . Improved operational efficiencyC . Reduced design and construction costsD . Faster Wi-Fi connectivityView AnswerAnswer: B
What is the most common difference between a single board computer (SBC) and a controller board?
What is the most common difference between a single board computer (SBC) and a controller board?A . SBCs typically have connectors for display and input devices while controller boards do notB . Controller boards have I/O headers and SBCs do notC . SBCs always have connectors for M2 devices and...
How is ASK modulation different from FSK modulation?
How is ASK modulation different from FSK modulation?A . ASK varies the amplitude of the signal while FSK shifts its frequencyB . FSK is more sensitive to noise than ASKC . ASK does not work at high frequenciesD . ASK can carry more data than FSKView AnswerAnswer: A
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 . 1-2 metersB . 10 square metersC . 10 centimetersD . 10 metersView AnswerAnswer: A
How does OFDMA differ from OFDM?
How does OFDMA differ from OFDM?A . Subcarriers of OFDMA can contain data destined for a different receiverB . OFDMA offers greater range by using multiple channels at onceC . OFDMA allows multiple devices to transmit simultaneously on the same frequencyD . OFDMA uses multiple radios to achieve higher throughputView...
