LSP Flooding JN0-664 Practice Questions (Page 5)

Questions 21–22

1. 21foundation · easy

   When an IS-IS router needs to remove an LSP from the network, what does it do?

   • AIt simply stops reflooding the LSP and waits for it to age out.
   • BIt floods a new version of the LSP with the remaining lifetime set to zero.
   • CIt sends a special 'delete' message to all neighbors.
   • DIt removes the LSP from its own database and does not inform other routers.
   Reveal Solution Discussion Select an answer first
2. 22application · medium

   A network administrator is designing an IS-IS network with multiple areas. They need to ensure that a route from a Level 2 router is visible to all Level 1 routers in a different area. What is required for this to happen?

   • AThe Level 2 router must be directly connected to the Level 1 area.
   • BThe Level 1 routers must be configured to accept Level 2 LSPs.
   • CThe Level 2 router must be configured with a route policy to export its routes into Level 1.
   • DA Level 1/Level 2 router in the Level 1 area must leak the Level 2 route into the Level 1 LSP database.
   Reveal Solution Discussion Select an answer first