单项选择题

输入哪条命令可以看到以下信息？（）

A.display ip routing-table
B.display ospf lsa
C.display ospf database
D.display ospf interface

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多项选择题

What two things will a router do when running a distance vector routing protocol? （）

A.Send periodic updates regardless of topology changes.
B.Send entire routing table to all routers in the routing domain.
C.Use the shortest-path algorithm to the determine best path.
D.Update the routing table based on updates from their neighbors.
E.Maintain the topology of the entire network in its database.

多项选择题

Which two Ethernet fiber-optic modes support distances of greater than 550 meters?（）

A.1000BASE-CX
B.100BASE-FX
C.1000BASE-LX
D.1000BASE-SX
E.1000BASE-ZX