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Exam JN0-348 topic 1 question 41 discussion

Actual exam question from Juniper's JN0-348
Question #: 41
Topic #: 1
[All JN0-348 Questions]

What are two characteristics of IS-IS CSNPs? (Choose two.)

  • A. IS-IS CSNPs contain header information for all link-state PDUs.
  • B. IS-IS CSNPs are used to request a copy of a missing link state PDU.
  • C. IS-IS CSNPs are used to maintain the link-state database synchronization.
  • D. IS-IS CSNPs contain header information for specific requested link-state PDUs.
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Suggested Answer: AC 🗳️
by cancan at Nov. 23, 2020, 1:19 p.m.

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nickname98163
1 year, 9 months ago
Selected Answer: AC
"Complete sequence number PDUs (CSNPs)—Contain a complete list of all link-state PDUs in the IS-IS database. CSNPs are sent periodically on all links, and the receiving systems use the information in the CSNP to update and synchronize their link-state PDU databases." -not B "When a device receives a CSNP, it checks the database entries against its own local link-state database. If it detects missing information, the device requests specific link-state PDU details using a partial sequence number PDU (PSNP)." -not D "...requests specific link-state PDU details using a partial sequence number PDU (PSNP)."
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cancan
3 years, 5 months ago
https://www.juniper.net/documentation/en_US/junos/topics/concept/is-is-routing-overview.html
upvoted 2 times
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