Open Shortest Path First(OSPF)is a (71) routing algorithm that (72) workdone on the OSI IS-IS intradomain routing protocol．This routing，as compared todistance—vector routing，requires (73) processing power．The Dijkstra algorithm is usedto calculate (74) OSPF routing table updates only take place when necessary， (75) atregular intervals．

题库:计算机网络管理员 类型:最佳选择题 时间:2017-07-03 13:31:49 免费下载:《单项选择》Word试卷

Open Shortest Path First(OSPF)is a (71) routing algorithm that (72) workdone on the OSI IS-IS intradomain routing protocol．This routing，as compared todistance—vector routing，requires (73) processing power．The Dijkstra algorithm is usedto calculate (74) OSPF routing table updates only take place when necessary， (75) atregular intervals．

A.derivedfrom
B.deviatedfrom
C.was derived from
D.was deviated from

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