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Exam 2V0-642 topic 1 question 19 discussion

Actual exam question from VMware's 2V0-642
Question #: 19
Topic #: 1
[All 2V0-642 Questions]


Which would best describe a workload in Compute Cluster 1 attached to a logical switch port group?

  • A. Within Compute Cluster 1, Layer 2 would function, but Layer 3 would fail.
  • B. Within Compute Cluster 1, Layer 2 would fail, and Layer 3 would fail.
  • C. Within Compute Cluster 1, Layer 2 would fail, but Layer 3 would function.
  • D. Within Compute Cluster 1, Layer 2 would function, and Layer 3 would function.
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Suggested Answer: A 🗳️
by ego003 at July 3, 2019, 12:04 p.m.

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cthd
5 years ago
The question is asking WITHIN cluster 1, which is not part of the transport zone, meaning no VxLAN/VTESs involved at all...Hence A is correct
upvoted 1 times
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NorthStar2010
5 years ago
The question came from the official VMware NSX training lecture. The answer is A
upvoted 2 times
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duke_srg
5 years, 7 months ago
B. Both L2 and L3 will fail. Since there will be no traffic between VTEPs not in the transport zone, overlay network just won't work at all.
upvoted 1 times
KC
5 years, 4 months ago
I think layer 2 would still function, but there could be layer 3 issues: If you do not follow this best practice, keep in mind that if a VDS spans more than one host cluster and the transport zone includes only one (or a subset) of these clusters, any logical switch included within this transport zone can access VMs within all clusters spanned by the VDS. In other words, the transport zone will not be able to constrain the logical switch span to a subset of the clusters. If this logical switch is later connected to a DLR, you must ensure that the router instances are created only in the cluster included in the transport zone to avoid any Layer 3 issues.
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ego003
5 years, 12 months ago
--> "If a cluster requires Layer 3 connectivity, the cluster must be in a transport zone that also contains an edge cluster, meaning a cluster that has Layer 3 edge devices (distributed logical routers and edge services gateways)." https://docs.vmware.com/en/VMware-NSX-Data-Center-for-vSphere/6.2/com.vmware.nsx.admin.doc/GUID-5EFF202E-42DE-4864-9B60-C5FF280457F6.html
upvoted 1 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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