Q. “ISDN”‘ stand For :

  • (A) International standard digital network
  • (B) Integrated service data network
  • (C) International service digital network
  • (D) International service data network
✅ Correct Answer: (D) International service data network

Published by Indresh Gehalot ⭐ 10.11K Points at 16-Nov-2020 12:36 am in Computer

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