多項選擇題

What are three characteristics of the OSPF routing protocol? （）

A.It converges quickly.
B.OSPF is a classful routing protocol.
C.It uses cost to determine the best route.
D.It uses the DUAL algorithm to determine the best route.
E.OSPF routers send the complete routing table to all directly attached routers.
F.OSPF routers discover neighbors before exchanging routing information.

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單項選擇題

A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782.The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?（）

A.Router R2 will not form a neighbor relationship with R1.
B.Router R2 will obtain a full routing table, including a default route, from R1.
C.R2 will obtain OSPF updates from R1, but will not obtain a default route from R1.
D.R2 will not have a route for the directly connected serial network, but all other directly connected

單項選擇題

The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch.What must be done to ensure that this new switch becomes the root bridge on the network?（）

A.One router is running RIPv1.
B.RIP neighbor is 224.0.0.9.
C.The network contains a loop.
D.Network 10.10.1.0 is reachable.

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What are three characteristics of the OSPF routing protocol? （）

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