单项选择题
Which of the following wiring distribution components should be chosen to provide level integrateddiagnostic capabilities?（）
A. Vampire tap
B. Smart jack
C.Demarcation point
D. Programmable logic controller
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相关考题
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A demarcation point is usually installed and managed by which of the following providers?（）
A. Web host provider
B. VoIP company
C. Telephone company
D. Hardware manufacturer -
单项选择题
Prioritizing traffic between data and voice is defined as which of the following?（）
A. Caching engines
B. Proxy server
C. QoS
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Which of the following LAN technology has a MAXIMUM range of 10,000 meters (6 miles)?（）
A.10GBase-ER
B.10GBase-SW
C.10GBase-LW
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