NCTI - Installer Book 2023/2024 EXAM

NCTI - Installer Book 2023/2024 EXAM Which of the following will strengthen signals as they move farther away from the headend through the trunk express system? - ANSWER B) Distribution amplifiers. Which of the following describes a carrier wave? - ANSWER B) A wave with a much higher frequency than the input signal. Which of the following describes modulation? - ANSWER B) The reshaping of a carrier wave to include information contained by an input signal. Which of the following is the symbol for power? - ANSWER W = watts Which of the following describes the process of measuring an analog signal at a specific interval? - ANSWER Sampling Which of the following is true about the base 10 system? - ANSWER B) Digits 0 through 9 are used. Which of the following best describes post bit-error-rate (BER)? - ANSWER A) A measurement of all bit error after forward error correction has been applied.