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TT0-201 · Question #185

Which of the following best describes an E1 line used for voice data?

The correct answer is B. It provides 30 64-Kbps "B" data channels and two "D" signaling/timing channels. See the full explanation below for the reasoning.

Question

Which of the following best describes an E1 line used for voice data?

Options

  • AIt uses in-band signaling.
  • BIt provides 30 64-Kbps "B" data channels and two "D" signaling/timing channels.
  • CIt provides 24 64-Kbps "B" data channels and one "D" signaling/timing channel.
  • DIt provides bandwidth of up to objective 1.544 Kbps.

How the community answered

(28 responses)
  • A
    7% (2)
  • B
    79% (22)
  • C
    11% (3)
  • D
    4% (1)

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