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A network engineer is troubleshooting an OSPF broadcast segment where routers are stuck electing leadership roles. Which two OSPF roles are elected on a broadcast segment to reduce adjacency flooding overhead?
Explanation
OSPF concepts include the designated router (DR) and backup designated router (BDR) as elected roles on multiaccess segments [1]. The DIS is an IS-IS concept, not OSPF [1].
During a design review, a colleague asks which IGP uses a Designated Intermediate System (DIS) rather than a designated router. Which protocol's concepts include the DIS?
Explanation
The IS-IS concepts explicitly include the Designated intermediate system (DIS), distinguishing it from OSPF's DR/BDR terminology [1].
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