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多項(xiàng)選擇題

What kind of information does a router running a link-state routing protocol need to create and maintain its topological database?()

A. LSAs from other routers
B. Beacons received on point-to-point links
C. hello packets
D. Routing tables received from neighbors
E. SAP packets sent by other routers
F. TTL packets from exclusive routers

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