To a router, a flow is a (1) of packets that share the same Characterstics, such as traveling the same (2) ,using the same (3) ,having the same kind of security, and so on. A router that supports the handling of flow labels has a (4) table. The table has an entry for each active flow label; each entry defines the (5) required by the corresponding flow label. 4()
A. flow table
B. flow label
C. rout table
D. Tag table
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 (1) between sending the notification and notification arriving at the source, thousands of additional (2) may arrive. In ATM network, a major tool for preventing (3) is (4) control. When a host wants a new virtual (5) ,it must describe the traffic to be offered and the service expected. 2()
A. packets
B. cells
C. message
D. files
家电下乡政策的顺利推行,需要政府、企业和消费者三方面联动,才能收到良好的效果。请简要概括目前企业方面存在的问题和困扰。 要求:紧扣给定材料,全面准确,条理性强,不超过200字。