2. 计算机
  3. The Border Gateway Protocol(BGP)is an interautonomous system (6)protocol．The primary function of a BGP speaking system is to ex

The Border Gateway Protocol(BGP)is an interautonomous system (6)protocol．The primary function of a BGP speaking system is to ex

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问题 The Border Gateway Protocol(BGP)is an interautonomous system  (6)protocol．The primary function of a BGP speaking system is to exchange network(7)information with other BGP system．This network reachability information includes information on the list of Autonomous System(Ass)that reachability information traverses．BGP-4 provides a new set of mechanisms for supporting(8)interdomain routing．These mechanisms include support for advertising an IP  (9)and eliminate the concept of network class within BGP．BGP一4 also introduces mechanisms that allow aggregation of routes，including  (10)of AS paths．These changes provide support for the proposed supemetting scheme．(2009年上半年试题)
(10)
选项 A、reservation
B、relation
C、aggregation
D、connection
答案C
解析 译文：边界网关协议(BGP)是一种自治系统间的路由协议。BGP发言系统的主要功能是与其他BGP系统交换可达性信息。网络的可达性信息就是要到达某个网络所经过的一系列的自治系统。BGP一4提供了一套全新的机制来支持无类域间路由。这些机制支持广播IP地址前缀，去除了网络分类的概念。BGP-4还引入了允许路由聚合的机制，包括自知系统之间的路径聚合。这些变化都为提出的超网方案提供了支持。
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