單項選擇題

輸入哪條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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1.多項選擇題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.

2.多項選擇題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

3.多項選擇題What are two characteristics of RIPv2?（）

A.classful routing protocol
B.variable-length subnet masks
C.broadcast addressing
D.manual route summarization
E.uses SPF algorithm to compute path