Cisco
350-030 · Question #278
Which three signaling types are not used by analog E&M circuits as start dial supervision protocols? (Choose three.)
The correct answer is C. ground-start D. wink-start Feature Group D F. pulse dial. See the full explanation below for the reasoning.
Question
Which three signaling types are not used by analog E&M circuits as start dial supervision protocols? (Choose three.)
Options
- Adelay dial
- Bwink-start
- Cground-start
- Dwink-start Feature Group D
- Eimmediate-start
- Fpulse dial
How the community answered
(30 responses)- A10% (3)
- B3% (1)
- C83% (25)
- E3% (1)
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