In low-speed network,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down.In high-speed networks,this approach often works poorly,because in the(71)between sending the notification and notification arriving at the source,thousands of additional(72)may arrive.In ATM network,a major tool for preventing(73)is(74)control.When a host wants a new virtual(75),it must describe the traffic to be offered and the service expected.
2023-09-01
B.admission
C.traffic
D.time
参考答案:C
在低速网络中,通常采用碰到拥塞时,通过向源端反映使其降低发送速率。而在告诉网络中,这种方式将会恶化,因为在发送通告和通告到达之间会有成千上万的其它数据包到达。在ATM网络中,主要采用允许控制来避免拥塞,当有一台主机要建立一条新的虚连接时,它必须描述它所需的流量和服务等级。
近年来,许多地区在农村社区开展了一些养老社会服务,目前( )在农村养老中占主要地位。
2023-06-02 从业资格其它
在社区参与的层次和形式中,从结果层面看,对决策结果完全没有影响的是( )。
2023-06-02 从业资格其它
2023-06-02 从业资格其它
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