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根据下面的文字资料回答 71~75 题

n the following essay,each blank has four choices.Choose the most suitable one from the four choices and write down in the answer sheet.

Open Shortest Path First(OSPF)is a( 1 )routing algorithm that( 2 )work done on the OSI IS-IS intradomain routing protocol.This routing,as compared to distance-vector routing,requires( 3 )processing power.The Dijkstra algorithm is used to calculate( 4 )OSPF routing table updates only take place when necessary,( 5 )at regular intervals.

第6题:文中( 1 )处正确的答案是(  )。

  • A.distance-vector
  • B.link-state
  • C.flow-based
  • D.selective flooding
参考答案
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第10题:文中( 5 )处正确的答案是(  )。

  • A.but rather
  • B.rather too
  • C.ratller than
  • D.rather that

第7题:文中( 2 )处正确的答案是(  )。

  • A.derived from
  • B.deviated from
  • C.was derived from
  • D.was deviated from

第5题:文中( 5 )处正确的答案是(  )。

  • A.Permanent Circuits
  • B.Permanent Virtual Circuits
  • C.Switched Virtual Circuits
  • D.Switched Circuits

第4题:文中( 4 )处正确的答案是(  )。

  • A.Permanent Circuits
  • B.Permanent Virtual Circuits
  • C.Switched Virtual Circuits
  • D.Switching Circuits

第1题:文中( 1 )处正确的答案是(  )。

  • A.Datagram Switching
  • B.Datagram Routing
  • C.Packet Switching
  • D.packet Routing
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