Cisco
700-039 · Question #7
Which digital signaling is correctly mapped to its functionality?
The correct answer is B. T1 CAS - Used widely in North America to connect to the PSTN or PBXs. See the full explanation below for the reasoning.
Question
Which digital signaling is correctly mapped to its functionality?
Options
- AT1 PRI NFAS - Used to connect to the PSTN where caller ID is required and PRI is not an option
- BT1 CAS - Used widely in North America to connect to the PSTN or PBXs
- CT1 FGD - Uses a single D channel to control multiple spans of T1s with only B channels option
- DT1 and E1 PRI - Uses the Q Signaling variation of the basic ISDN specification
How the community answered
(30 responses)- A7% (2)
- B77% (23)
- C3% (1)
- D13% (4)
Community Discussion
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