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Exam 3V0-42.20 All Questions

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Exam 3V0-42.20 topic 1 question 22 discussion

Actual exam question from VMware's 3V0-42.20
Question #: 22
Topic #: 1
[All 3V0-42.20 Questions]

An architect is helping an organization with the Physical Design of an NSX-T Data Center solution.
This information was gathered during a workshop:
✑ The company will use a Leaf and Spine physical network architecture with Layer 3 gateways for top of rack switches.
✑ The company is planning to deploy 120 ESX hosts across 10 racks.
✑ There will be a total of a 12 clusters where each cluster has one host per rack.
What should the architect recommend to allow applications to run on any host in the cluster? (Choose the best answer.)

  • A. Deploy all application networks on NSX segments.
  • B. Deploy an L2 VPN to allow the networks to extend to each host.
  • C. Deploy a Tier-0 gateway per Rack and configure BGP between racks.
  • D. Deploy a Tier-1 gateway per Rack and configure BGP between racks.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by vKramer at Feb. 14, 2021, 1:20 p.m.

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vKramer
Highly Voted 2 years, 5 months ago
Correct Answer is A. NSX Segments can span across multiple racks and subnets. D is not correct since it is not possible to configure BGP between Tier-1 gateways.
upvoted 14 times
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tester2478
Most Recent 3 months, 3 weeks ago
A looks like to be the best answer since question says What should the architect recommend to allow "applications" to run on any host in the cluster?
upvoted 1 times
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misterto
6 months, 2 weeks ago
I would say C. Here is my justification. A: Deploy all application networks on NSX segments: Doesn't precise if VLAN backed or Overlay Segment. Not precise enough. D: Impossible to use BGP on T1 B: Possible only if C is done previoulsy C: good answer as we will have 1 cluster per rack, so VM won't move with HA b/w racks.
upvoted 2 times
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lqh61727
9 months, 2 weeks ago
Selected Answer: A
BGP is configured on Tier-0 and not Tier-1.
upvoted 2 times
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airmouse1234
1 year, 3 months ago
Correct Answer is A
upvoted 1 times
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KD01
1 year, 5 months ago
A is correct
upvoted 1 times
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ShyamC
1 year, 6 months ago
Selected Answer: A
No BGP routing possible on T1
upvoted 1 times
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rgraghu
1 year, 7 months ago
Selected Answer: A
Even though in multiple racks we use bgp for Layer-3 vmotion, we never deploy a T1 on each rack, so i will have to correct my answer to A
upvoted 1 times
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rgraghu
1 year, 7 months ago
Selected Answer: D
In a spine-leaf architecture use of BGP in layer3 to move the workloads across the racks seamlessly, and the question is about moving vm's within the cluster which is spread across mulitple racks, so its E-W traffic utilizes T1 within the cluster and when it has to go across the racks the traffic utilizes BGP on Data ToR's\
upvoted 2 times
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BrianOC
1 year, 11 months ago
"D" is the wrong answer. BGP is configured on Tier-0 and not Tier-1. "A" is the correct answer.
upvoted 1 times
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Me_Loi1
2 years, 3 months ago
Correct is A
upvoted 2 times
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diegof1
2 years, 3 months ago
A is the correct answer.
upvoted 2 times
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VMwareARCHI
2 years, 5 months ago
A. Deploy all application networks on NSX segments.
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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