单选题Under which network type circumstance would an OSPF router establish router adjacencies while not performing the DR/BDR election process?（）APoint-to-pointBBroadcastCNon-broadcast multi-accessDBackbone area 0ENone of the above
单选题
Under which network type circumstance would an OSPF router establish router adjacencies while not performing the DR/BDR election process?（）
A
Point-to-point
B
Broadcast
C
Non-broadcast multi-access
D
Backbone area 0
E
None of the above
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