多项选择题
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
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相关考题
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单项选择题
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) -
单项选择题
Which of the following features is essential in a firewall if it is to support RTP sessions?（）
A. Remote console
B. Statefulness
C. Address translation
D. Zones -
单项选择题
A layer 3 switch can move packets between subnets based on which of the following criteria?（）
A. 802.1q tag
B. Port
C. Application
D. IP address
