Digital Technician Conventional 2024/2025 Questions And Answers 100% correct Verified

Why do digital modulation channels have measurable analog parameters? It is based on modulating an analog RF carrier with digital data. Which was the first version of the Data Over Cable Service Interface Specification (DOCSIS) that enabled multiple downstream and upstream channels to be used to transport data to and from a single modem? DOCSIS 3.0 Which generation of wireless access technology is operation in the millimeter frequency band around 30 GHz being considered? 5G for the fifth generation. Which is the only 802.11 series of standards that operate at 900 MHz for reliable, slowerthroughput connectivity with Internet of Things (IoT) sensors in the customer's home? 802.11ah Voice activated personal assistants are always listening for commands, but are programmed to respond only when hearing what? A wake word, such as the assistant's name. What technology is plain old telephone service (POTS) built on? Circuit switching. Why is the transmission control protocol (TCP) unsuitable for voice over Internet protocol (VoIP) applications? TCP created delays from sequencing, error correction, acknowledgements, etc., which are unacceptable for a quality