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Where is the local loop located?

In telephony, the local loop is the physical link or circuit. Where is the local loop located?

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A.
Between the loopback interfaces of two VoIP routers

B.
Between phones and the central office (CO) switch

C.
Between two PBXs

D.
Between two PSTN switches

Explanation:

The local loop is the pair of wires that runs from the CO to the home or business office.

Cisco Press CCDA 640-864 Official Certification Guide Fourth Edition, Chapter 14


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