A、Web host provider
B、VoIP company
C、Telephone company
D、Hardware manufacturer
更多“A demarcation point is usually installed and managed by which of the following providers?（）”相关的问题
A、A. includes all modules needed to meet any network design B、B. defines flexible boundaries between modules for scalability requirements C、C. clearly defines module boundaries and demarcation points to identify where traffic is D、D. requires specific core, distribution, and access layer requirements to match the model
A、A generic Hello B、Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2 C、Point - to - point Level 1, point - to - point Level 2, LAN D、Point - to - point, LAN Level 1, LAN Level 2
A、point-to-point，point-to-multipoint B、broadcast，point-to-multipoint C、point-to-multipoint，broadcast D、point-to-point，broadcast
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