A.1
B.2
C.4
D.6
E.8
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A.Increase MTU of the interfaces to accommodate larger OSPF packets.
B.Change the network type to point-to-point on those links.
C.Reduce SPF initial timer.
D.Increase hello interval to avoid adjacency flapping.
E.Enable OSPF
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what is the disadvantage of policing？
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four switches， which one will be root switch.（no pic）.
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