Cisco
700-039 · Question #7
700-039 Question #7: Real Exam Question with Answer & Explanation
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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
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