找考题网-背景图
多项选择题

A.hello packetsB.SAP messages sent by other routersC.LS……

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

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