four choices and write down in the answer sheet.Open Shortest Path First(OSPF) is a(36)routing algorithm that(37)work clone on the OSI IS-IS intradomain routing protocol. This routing, as compared to distance-vector routing, requires(38)processing power. The(39)algorithm is used to calculate routes. OSPF routing table updates only take place when necessary,(40)at regular intervals.
A.distance-vector
B.link-state
C.flow-based
D.selective flooding