NCTI RSC II CABLE NETWORK OVERVIEW: Broadband Cable System Overview |
Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions
A+ Graded Answers | With Expert Solutions
List the Six methods by which signals arrive at the cable system headend. - Direct feed,
satellite, over-the-air, terrestrial microwave,local origination, and PSTN.
What group established the data-over-cable-service-interface-specification (DOCSIS)? -
CableLabs
What Provides the cable networks interface to the internet? - The cable modem
termination system (CMTS). *Think about what you see in scope when viewing
customers equipment.*
Which of the following best describes the digital video signal carried on the cable
network? - It has a flat top like a haystack.
In terms of bandwidth, how wide is a video signal in a U.S cable system? - 6 MHz.
How is a broadband radio frequency (RF) signal converted to Light? - With a laser
transmitter.
The process of combining digital services in the headend is called? - Multiplexing.
Many of the potential drawbacks from early coaxial tree-and-branch distribution can be
overcome by? - Utilizing an HFC or PON architecture.
Signal Security for analog video services is referred to as? - Scrambling.
What is the function of an optical node? - It converts light energy to RF.
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