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思科认证考试

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What information does a router running a link-state protocol use to build and maintain its topological database?()

  • A、hello packets
  • B、SAP messages sent by other routers
  • C、LSAs from other routers
  • D、beacons received on point-to-point links
  • E、routing tables received from other link-state routers
  • F、TTL packets from designated routers
正确答案:A,C
答案解析:
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