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Exam 2V0-642 topic 1 question 98 discussion

Actual exam question from VMware's 2V0-642
Question #: 98
Topic #: 1
[All 2V0-642 Questions]

What is one of the benefits of a spine-leaf network topology?

  • A. A loop prevention protocol is not required
  • B. Automatic propagation of security policies to all nodes
  • C. Allows for VXl ANs to be defined in h traditional network topology
  • D. Network virtualization relies on spine leaf topologies to create logical switches
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Suggested Answer: D 🗳️
by imkashif at Feb. 5, 2020, 6:10 p.m.

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imkashif
Highly Voted 5 years, 4 months ago
A should be the answer, Spine leaf architecture doesnt run loop prevention protocol.
upvoted 6 times
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cthd
Most Recent 5 years ago
Sorry I meant to say, Spine leaf does require loop free prevention protocols, such as MLAG/VPC based on LACP for L2SL and ECMP based on BGP/OSPF for L3SL...So D is correct answer...
upvoted 1 times
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cthd
5 years ago
Spine/leaf architecture does run loop free protocols, such as MLAG/VPC for L2SP (L2 Spine Leaf) or ECMP for L3SP....So A is correct answer...
upvoted 1 times
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Me_Loi1
5 years, 1 month ago
A is correct.
upvoted 1 times
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Alhussein
5 years, 1 month ago
https://blog.westmonroepartners.com/a-beginners-guide-to-understanding-the-leaf-spine-network-topology/
upvoted 1 times
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MYN
5 years, 2 months ago
NSX doesn't care what is underlying topology. It just need connectivity for its functioning. Spine-leaf is based on Layer 3 , so usual layer 2 loop prevention protocols doesn't apply and are not needed. Layer 3 prevents loops using split horizon. Also, it is dependent what routing protocol you're using. Leaf and spine topology either utilizes IS-IS or BGP routing protocols which have their own loop prevention mechanism.
upvoted 1 times
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nick_name
5 years, 3 months ago
https://blog.westmonroepartners.com/a-beginners-guide-to-understanding-the-leaf-spine-network-topology/
upvoted 1 times
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C (25%)
B (20%)
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