CompTIA Network+ (N10-008) — Question 839

An administrator is working with the local ISP to troubleshoot an issue. Which of the following should the ISP use to define the furthest point on the network that the administrator is responsible for troubleshooting?

Answer options

• A. Firewall
• B. A CSU/DSU
• C. Demarcation point
• D. Router
• E. Patch panel

Correct answer: C

Explanation

The correct answer is C, the Demarcation point, which indicates the boundary between the ISP's network and the customer's network, defining where the administrator's responsibilities end. The other options, such as Firewalls, CSU/DSUs, Routers, and Patch panels, are components within the network but do not establish the boundary of responsibility for troubleshooting.