Area Types JN0-664 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the purpose of an NSSA (Not-So-Stubby Area)?

   • ATo reduce the number of Type 3 LSAs in the area
   • BTo block all external routes and use a default route
   • CTo allow Type 5 LSAs from other areas
   • DTo allow external routes to be imported into a stub area using Type 7 LSAs
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   What is a key feature of a totally NSSA area?

   • AIt requires a virtual link to the backbone
   • BIt does not support external route injection
   • CIt blocks Type 3 LSAs and injects a default route, while allowing Type 7 LSAs for external routes
   • DIt allows Type 5 LSAs from other areas
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   Which LSA type is blocked in a stub area?

   • AType 3 (summary)
   • BType 2 (network)
   • CType 5 (external)
   • DType 1 (router)
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   In a totally stubby area, how does path selection for inter-area destinations work?

   • ARouters receive specific Type 3 routes for each inter-area destination
   • BRouters use the default route injected by the ABR for all inter-area destinations
   • CRouters use Type 7 LSAs for inter-area destinations
   • DRouters use Type 5 external routes for inter-area destinations
   Reveal Solution Discussion Select an answer first
6. 5application · medium

   A network engineer is troubleshooting an OSPF network where a router in a standard area is not learning external routes that are advertised from another area. The external routes are injected into OSPF at an ASBR in a different area. Which LSA type is responsible for carrying these external routes to the router in the standard area?

   • AType 4 LSA
   • BType 7 LSA
   • CType 3 LSA
   • DType 5 LSA
   Reveal Solution Discussion Select an answer first