What specifications define the standards for cable broadband?
atm
digital signal
ansi
docsis

DOCSIS(Data Over Cable service Interface Specification)

Explanation: DOCSIS(Data Over Cable service Interface Specification) is an international standard for the telecommunication over the world wide. It supports the cable for transmitting the information with the help high bandwidth and speed. It is usually used in the television cables and internet using the coaxial cables .Therefore the correct option  is  DOCSIS

DOCSIS defines the standards for the cable broadband.

Explanation:

DOCSIS known as Data Over Cable Service Interface Specification is an international standard for telecommunication that allows the inclusion of high-bandwidth data flow to an already available cable television system.Cable television operators uses it to provide internet access.

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