單項(xiàng)選擇題What is the statistical reserve?()

A.Bandwidth that is reserved for SVCs to route over a trunk
B.Bandwidth that is reserved on a trunk so that ABR connections can burst
C.Bandwidth on a trunk that is reserved for control traffic and cannot be used by connections
D.Bandwidth that cannot be allocated to connections but can be used to accommodate statistical variations in the traffic


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4.單項(xiàng)選擇題In the Apache Web Server configuration, the command KeepAlive ON is used to()

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