Multiple choice

ISDN, which is a set of standard for digital transmission over ordinary telephone, stands for

  1. International Service Data Network

  2. Integrated Services Digital Network

  3. Integrated Standard Data Network

  4. International Standard Digital Network
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

ISDN stands for Integrated Services Digital Network, which is a set of communication standards for simultaneous digital transmission of voice, video, and data.

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