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Traditional network layer packet forward
Traditional network layer packet forward
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2022-08-02
84
问题
Traditional network layer packet forwarding relies on the information provided by network layer ( ) protocols, or static routing, to make an independent ( )decision at each hop within the network. The forwarding ( )is based solely on the destination ( )IP address. All packets for the same destination follow the same path across the network if no other equal-cost paths exist. Whenever a router has two equal-cost ( )toward a destination, the packets toward the destination might take one or both of them, resulting in some degree of load sharing.A.anycastB.multicastC.broadcastD.unicast
选项
A.anycast
B.multicast
C.broadcast
D.unicast
答案
D
解析
传统的网络层分组转发技术依赖于由网络层路由协议或者静态路由配置提供的信息,在网络中的每一跳步做出独立的转发决策。这种转发决策只是由目标单播IP地址决 定的。如果不存在费用相等的通路,属于同一目标的所有分组都将经过同样的路径穿越网络。当一个路由器具有通向同一目标的两条费用相等的通路时,趋向目标的分组就可能采取两条路径中的任意一条,于是出现了某种程度的负载均衡。
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本试题收录于:
初级网络管理员题库软件水平考试初中高级分类
初级网络管理员
软件水平考试初中高级
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