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IT 300 GMU QUESTIONS WITH 100% CORRECT ANSWERS 2025/2026

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IT 300 GMU QUESTIONS WITH 100% CORRECT ANSWERS 2025/2026

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IT 300 GMU QUESTIONS WITH 100%
CORRECT ANSWERS 2025/2026

What best describes "broadband access"? - CORRECT ANSWER ✔✔broadband access describes
technical methods that enable users to connect to high speed networks



What are some ways to accomplish full-duplex (FDX) digital communications on guided medium
at the physical layer (OSI Layer 1)? - CORRECT ANSWER ✔✔separate receive and transmit paths
using separate physical mediums

separate digital signals by using separate time slots - does not work for analog signals

separate receive and transmit paths by modulating each at different carrier frequencies



____________ is a broadband access method that depends upon unguided medium. - CORRECT
ANSWER ✔✔WLL



Which broadband access method implements DMT, ODFM, QAM, over UTP? - CORRECT
ANSWER ✔✔ADSL



Which broadband access method implements DMT, ODFM, QAM, over UTP? - CORRECT
ANSWER ✔✔ADSL



Which technology is used with asymmetric DSL (ADSL)? - CORRECT ANSWER ✔✔orthogonal
frequency division multiplexing (OFDM)



Since attenuation over UTP lines are a major concern, ADSL far-end crosstalk (FEXT) is of greater
concern than near-end crosstalk (NEXT). - CORRECT ANSWER ✔✔False

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