I am reading Richard Deal's CCNA book, it says DR/BDR is elected in a multi-access segment. If ten VLAN then ten DR/BDR exists. Fine.
What if this single multi-access segment is partitioned with switches? So 1 brodcast domain, but multiple collision domains. Still 1 DR/BDR pair for the whole shebang?
Yes, 1 DR/BDR pair is required for a broadcast domain. As DR/BDR and non-DR/BDR OSPF routers communicate through multicasting, the boundary of a broadast domain is important, but not that of a collision domain.
KPLAB
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