N10-005 · Question #832
At which of the following locations does the responsibility of a Telco provider cease?
The correct answer is C. Demarc. The demarcation point (demarc) is the physical boundary where the telecom provider's network ends and the customer's responsibility begins. Everything on the provider's side of the demarc is maintained by the Telco; everything beyond it is the customer's responsibility. The IDF…
Question
At which of the following locations does the responsibility of a Telco provider cease?
Options
- AIDF
- BCSU
- CDemarc
- DMDF
How the community answered
(60 responses)- A2% (1)
- B7% (4)
- C88% (53)
- D3% (2)
Explanation
The demarcation point (demarc) is the physical boundary where the telecom provider's network ends and the customer's responsibility begins. Everything on the provider's side of the demarc is maintained by the Telco; everything beyond it is the customer's responsibility. The IDF (Intermediate Distribution Frame) and MDF (Main Distribution Frame) are internal wiring distribution points inside the building. The CSU (Channel Service Unit) is customer-premises equipment that interfaces with the Telco line but sits on the customer's side of the demarc.
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