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Traditional IP packet forwarding analyze
Traditional IP packet forwarding analyze
admin
2022-08-02
86
问题
Traditional IP packet forwarding analyzes the ( )IP address contained in the network layer header of each packet as the packet travels from its source to its final destination. A router analyzes the destination IP address independently at each hop in the network. Dynamic ( )protocols or static configuration builds the database needed to analyze the destination IP address (the routing table).The process of implementing traditional IP routing also is called hop-by-hop destination-based (请作答此空 )routing. Although successful,and obviously widely deployed,certain restrictions,which have been realized for some time,exist for this method of packet forwarding that diminish is ( ). New techniques are therefore required to address and expand the functionality of an IP-based network infrastructure.This first chapter concentrates on identifying these restrictions and presents a new archiecture,known as multiprotocol ( )switching,that provides solutions some of these restrictions.A.anycastB.muticastC.broadcastD.unicast
选项
A.anycast
B.muticast
C.broadcast
D.unicast
答案
D
解析
传统的IP数据包转发分析目的IP地址,该地址包含在每个从源到最终目的地的网络层数据包的头部。一个路由器的分析目的IP地址,该地址独立在网络中的每跳。动态路由协议或静态配置构建数据库,该数据数据库需要分析目的IP地址(路由表)。实施传统的IP路由的过程也叫作基于目的地的逐条单播路由。虽然成功而且明显得广泛部署,并实现了一段时间,但是必然有某些限制,这种数据包转发方法的存在是减少了灵活性。新技术是因此需要地址和扩展一个基于ip的网络基础设施的功能。第一章集中在识别一种新的架构的限制条件和反馈,该架构众所周知是多协议标签交换,它为其中的一些限制条件提供解决方案。
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本试题收录于:
中级 信息安全工程师题库软件水平考试初中高级分类
中级 信息安全工程师
软件水平考试初中高级
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