Where is the point between the customers site and the phone

carrier that responsibility changes?

A.) CO

B.) Demarc




Where is the point between the customers site and the phone carrier that responsibility changes? ..

Answer / guest

Answer: B

The DEMARCATION POINT (Demarc) in North America is between
the customers

CSU/DSU and the Local Telco Office, because Americans own
the DSU/CSU.

Elsewhere in the world, the Demarc is between the Router and the

CSU/DSU, because outside the USA the Telco owns the DSU/CSU.

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