____________ digital hierarchy was required to enable the international communications network to evolve in the optical fiber era.

All Questions › Category: Networks › ____________ digital hierarchy was required to enable the international communications network to evolve in the optical fiber era.
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Jayesh Bornare asked 3 years ago

OPTIONS

  1.  Asynchronous
  2.  Dedicated
  3.  Seismic
  4. Synchronous
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Jayesh Bornare answered 3 years ago

Synchronous