OSPF preguntas y respuestas de entrevista
Pregunta 26. Explain OSPF route summarization.
Route summarization in OSPF involves aggregating multiple routes into a single summarized route, reducing the size of the routing table.
Pregunta 27. How does OSPF handle router priority in DR/BDR election?
Router priority is a value used in the DR/BDR election process. The router with the highest priority becomes the DR, and the second-highest becomes the BDR.
Pregunta 28. Explain OSPF router types.
OSPF routers can be designated as internal routers, area border routers (ABRs), autonomous system boundary routers (ASBRs), or backbone routers.
Pregunta 29. What is the OSPF LSRefresh timer?
The LSRefresh timer ensures that OSPF routers refresh LSAs with their current age before flooding them. It helps prevent premature aging of LSAs.
Pregunta 30. Explain OSPF stub area characteristics.
In OSPF stub areas, routers do not receive external routes, reducing the LSDB size. The area relies on a default route for external destinations.
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