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Exam 4A0-105 topic 3 question 70 discussion

Actual exam question from Nokia's 4A0-105
Question #: 70
Topic #: 3
[All 4A0-105 Questions]

A new router named PE-D is to be directly connected to PE-C and is required to be added to the existing VPLS 300. The design requires the least amount of signaling and the least amount of configuration changes for existing sites. Which one of the following is the best way to meet the requirements?

  • A. Configure a mesh SDP between all existing PE routers and the new PE router.
  • B. Configure a mesh SDP between PE-C and PE-D.
  • C. Configure a spoke SDP between PE-C and PE-D.
  • D. Configure spoke SDPs between all PE routers.
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Suggested Answer: B 🗳️
by Ranx01 at April 29, 2025, 8:14 a.m.

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Ranx01
3 days, 14 hours ago
Selected Answer: C
Correct answer is "C. Configure a spoke SDP between PE-C and PE-D" - If you were to use a MESH SDP, you'd need to make configuration changes on all the nodes participating in the VPLS. With a SPOKE SDP, you only need to make configuration changes on PE-C & PE-D.
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