2. 计算机
  3. OSPF is a link-state routing protocol．It is designed to be run internal to a single(71)system．Each OSPF router maintains an iden

OSPF is a link-state routing protocol．It is designed to be run internal to a single(71)system．Each OSPF router maintains an iden

admin2019-05-15  75
问题 OSPF is a link-state routing protocol．It is designed to be run internal to a single(71)system．Each OSPF router maintains an identical  (72)describing the autonomous system’s  topology．From this database，a routing table is calculated by constructing a shortest-path  (73)．OSPF recalculates routes quickly in the face of topological changes，utilizing a  minimum ofrouting (74)traffic．OSPF provides support for equal—cost multipath．An area  routing capability is provided，enabling an additional level of routing protection and a  reduction in routing protocol(75)．
(75)
选项 A、flow
B、state
C、traffic
D、stream
答案C
解析 翻译OSPF是一种链路状态协议，用于单个自治系统内部。每个OSPF路由器都维持一个相同的描述自治系统拓扑结构的数据库。通过这个数据库可以构造出最短通路树，从而计算出路由表。当拓扑结构改变时，OSPF能很快计算出路由，但是使用了最小的路由协议流量。OSPF支持等费用的多条通路。OSPF的区域路由能力提供了附加的路由保护功能，也减少了路由协议的流量。
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