In a typical scenario where DSL provider XYZ Ltd. is providing a DSL connection to Sam over a telephone line provided by ABC communications, who owns the demarc or the NID?
A)ABC communications
B)Sam
C)XYZ Ltd.
D)50-50 split between XYZ Ltd. and ABC communications

Question

Quizplus · Accepted Answer

The demarc is always owned by the telephone company.
Key Takeaway: A demarc, or a demarcation point, marks the point where communications facilities owned by one organization interface with that of another organization. In this case, the demarc marks the interface intersection between the telephone line provided by the telephone company (used by the DSL provider) and the infrastructure installed by the DSL provider to setup the DSL connection.

In a Typical Scenario Where DSL Provider XYZ Ltd