Which of the following statements regarding the IS-IS CSNP is FALSE?

Which of the following statements regarding the IS-IS CSNP is FALSE?
A . CSNPs are used to maintain consistency in the Link-State database.
B . CSNPs are advertised before an adjacency is formed with another router.
C . There are two types of CSNPs: Level 1 and Level 2.
D . The CSNP lists the LSPs in the router’s database

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Answer: B