SG186工程的1代表建设成（）集成平台。
A.一体化企业级信息化
B.一流企业信息化
C.一流企业办公自动化
D.一体化行业信息
参考答案：A
Open Shortest Path First(OSPF)is a (71) routing algorithm that (72) work done on theOSI IS-IS intradomain routing protocol. This routing, as compared to distance-vector routing,requires (73) processing power. The (74) algorithm is used to calculate mutes. OSPFrouting table updates only take place when necessary, (75) at regular intervals.
A．distance-vector
B．link-state
C．flow-based
D．selective flooding
