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Free CCNT Exam Braindumps (page: 30)

Page 29 of 265
PDF with 1057 Questions

Both add-drop multiplexers and digital cross connect systems allow access to:

  1. A carrier system's overhead bits.
  2. A bitstream inside the carrier system.
  3. Individual time slots in a digital switching system.
  4. Analog loops on the other side of a digital loop carrier system.

Answer(s): B



16-level quadrature amplitude modulation has:

  1. One bit per baud.
  2. One baud per bit.
  3. Four bits per baud.
  4. 16 bits per baud.

Answer(s): C



Path overhead, section overhead, and line overhead are characteristics of:

  1. SONET/SDH.
  2. DS3 systems.
  3. Satellite radio systems.
  4. Undersea fiber cable.
  5. Answer pending.

Answer(s): E



The general category of signaling concerned with call setup and teardown is called:

  1. SS7
  2. Subscribe signaling.
  3. Loop start signaling.
  4. E&M supervision.

Answer(s): B






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