JN0-664: Service Provider Routing and Switching, ProfessionalDemo

By Juniper · Question Mode

QuestionQ4

IS-IS

Which two statements concerning IS-IS are correct?

Choose two
  • A CSNPs are flooded periodically.
  • B PSNPs are flooded periodically.
  • C PSNPs contain only descriptions of LSPs.
  • D CSNPs contain only descriptions of LSPs.
Explanation

CSNPs are transmitted periodically to synchronize link-state databases. PSNPs request missing LSPs or acknowledge received LSPs and carry LSP summary information, such as identifiers, lifetimes, sequence numbers, and checksums, rather than full LSP contents. Juniper IS-IS Overview

Learn more

Community Discussion

No comments yet. Be the first to start the discussion!