Qam receiver Study guides, Class notes & Summaries

Progression: Maintenance Tech I - II Conventional: Exam In the tree-and-branch architecture, how is the downstream signal from the trunk fed to the distribution branches? What is a common solution when congestion from modem activity and traffic becomes unacceptable in a hybrid fiber/coax (HFC) network? What technologies are defined in DOCSIS 4.0 to help sustain the hybrid fiber/coax (HFC) network infrastructure for several more years? How can a less-experienced technician identi...

Fiber Technician I - II Complete Exam Review Answered. What happens if the optical signal exceeds the maximum specified input power into a photodetector? What are the factors that contribute to an optical receiver's sensitivity? What is the benefit of coarse wavelength division multiplexing (CWDM) over dense wavelength division multiplexing (DWDM)? What product based on the Data Over Cable Service Interface Specification (DOCSIS) defines the protocols for Internet protocol (IP) te...

ASU IFT 372 Fall 2023 Helm Weeks 1-7 Quizzes + Midterm Multisource with complete solution What is a logarithm? Correct answer: A logarithm is an exponent based mathematical representation of a numerical value. What logarithmic base is used in digital communications? Correct answer: Two How do you find a log2 value on a calculator that only has log10 functionality? (Hint: what is the formula?) Correct answer: log2(a) = [log10(a) / log10(2)] What is the definition of a decibel? Correct ...

Fiber Install and Activation 100% SOLUTIONS REVISED 2023//2024 Which standards organization is considered to be the creator of the worlds' most recognized communications standards, known as "recommendations"? - ANSWERS The International Telecommunications Union (ITU) In which component in a fiber-optics communication system do changes to the intensity of the optical signal occur? - ANSWERS The optical transmitter What is a drawback of using Fabry-Perot (F-P)lasers in high-speed...

Fiber Installation and Activation Exam Questions and Answers 100% Pass Which standards organization is considered to be the creator of the world's most recognized communications standards, know as "recommendations"? - Answer- ITU In which component in a fiber-optics communication system do changes to the intensity of the optical signal occur? - Answer- The optical transmitter What is the drawback of using F-P lasers in HSD networks? - Answer- The emission of a number of discrete wavele...

What is the Fiber-optic cable term for optical transport that is restricted to one path (mode) for light propagation through the core of an optical fiber? - ANSWER-Single Mode Fiber A type of optical fiber with large core diameters which allow multiple modes, or paths, upon which the optical signal travels is known as what? - ANSWER-Multi - Mode Fiber In fiber-optic terminology, what is "window" ? - ANSWER-Refers to a center optical wavelength, as well as a range of wavelengths on either...

Progression Construction Coordinator I – II 100% Already Graded A+ Complete with the Updated Questions and Answers Monitoring the status of optical nodes - CORRECT ANSWER-Involves the use of a node transponder that continuously monitors a number of critical functions. Digital return path transmissions - CORRECT ANSWER-Use DWDM Dense wavelength division multiplexing digital return transmitters in hub-to-headend architectures. Broadband cable operators provide customers with HSD Hig...

Telemetry Exam 43 Questions with Verified Answers Telemetry definition - CORRECT ANSWER Highly automated communication process by which measurements and other collected data at remote or nonaccessible points re made and transmitted to receiving equipment for monitoring Modulation - CORRECT ANSWER Reinterpretation and translation of signals using amplitude and/or frequency Bandpass modulation - CORRECT ANSWER Uses carrier frequency Baseband modulation - CORRECT ANSWER Does not use car...

Monitoring the status of optical nodes correct answers Involves the use of a node transponder that continuously monitors a number of critical functions. Digital return path transmissions correct answers Use DWDM Dense wavelength division multiplexing digital return transmitters in hub-to-headend architectures. Broadband cable operators provide customers with HSD High-speed data connections to the Internet via their HFC networks using what standard? correct answers DOCSIS What is MPEG...

Fiber Installation and Activation Exam Questions and Answers 100% Pass Which standards organization is considered to be the creator of the world's most recognized communications standards, know as "recommendations"? - Answer- ITU In which component in a fiber-optics communication system do changes to the intensity of the optical signal occur? - Answer- The optical transmitter What is the drawback of using F-P lasers in HSD networks? - Answer- The emission of a number of discrete wavele...