Free CCNT Exam Braindumps (page: 21)

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28 DS1s, or 672 DS0s, can be multiplexed into:

  1. One type A channel bank.
  2. An L3 carrier system.
  3. A DS1c bit stream.
  4. A DS3 bit stream.

Answer(s): D



A DS1 has:

  1. A frame rate of 4,000 frames per second.
  2. 24 DS0s plus a framing bit in each frame.
  3. 30 B channels plus 1 D channel.
  4. A bit rate of 1.536 Mbps.

Answer(s): B



An OC192 uses the ___________ standard.

  1. IEEE 802.3.
  2. ANSI T1.402.
  3. ITU Q.931.
  4. SONET/SDH.

Answer(s): D



An OC3 system has:

  1. Twice the capacity of an OC1.
  2. Three times the capacity of an OC1 system.
  3. Four times the capacity of an OC1 system.
  4. The same capacity as an OC1 system.

Answer(s): B






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