1. What does OSPF use to calculate the cost to a destination network?
bandwidth
bandwidth and hop count
bandwidth and reliability
bandwidth, load, and reliablity
2.
Refer to the exhibit. RouterA, RouterB, and RouterC in the diagram are running OSPF on their Ethernet interfaces. Router D was just added to the network. Routers are configured with the loopback interfaces (Lo 0) that are shown in the exhibit. What happens to the OSPF DR/BDR after RouterD is added to the network?
RouterB takes over as DR and RouterD becomes the BDR.
RouterD becomes the BDR and RouterA remains the DR.
RouterD becomes the DR and RouterA becomes the BDR.
RouterC acts as the DR until the election process is complete.
RouterD becomes the DR and RouterB remains the BDR.
There is no change in the DR or BDR until either current DR or BDR goes down.
3.
Refer to the exhibit. How many OSPF adjacencies must be formed to build the complete topology if a DR or BDR were not elected in this OSPF network?
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5
6
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10
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