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350-030 · Question #335

Refer to the exhibit. What is the correct duration, in milliseconds, of the DTMF digit that is received?

The correct answer is C. 60. See the full explanation below for the reasoning.

Question

Refer to the exhibit. What is the correct duration, in milliseconds, of the DTMF digit that is received?

Exhibit

350-030 question #335 exhibit

Options

  • A30
  • B40
  • C60
  • D65
  • E101

How the community answered

(55 responses)
  • A
    9% (5)
  • B
    2% (1)
  • C
    82% (45)
  • D
    2% (1)
  • E
    5% (3)

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