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單項(xiàng)選擇題

An administrator is unable to ping a workstation. Which of the following tools would BEST help toresolve the issue?（）

A. Cable tester
B. Multimeter
C. Toner probe
D. Protocol analyzer

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多項(xiàng)選擇題

Which of the following features would BEST be used to optimize real-time voice and video chat?（）(Select TWO)

A. Load balancing
B. Caching engines
C. Qos
D. Fault tolerance systems
E. Traffic shaping

單項(xiàng)選擇題

1000BaseT has a MAXIMUM run distance of:（）

A. 25 meters (82 feet)
B. 100 meters (328 feet)
C. 500 meters (1640 feet)
D. 1000 meters (3280 feet)

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