VMware Exam 2V0-21.23 Topic 8 Question 17 Discussion

Actual exam question for VMware's 2V0-21.23 exam

Question #: 17
Topic #: 8

An administrator is asked to segregate virtual machine (VM) traffic by VLAN on a vSphere standard switch The following requirements must be met:

* VLAN ID on the switch port group must be 4095.

* VLAN tagging must be done at the VM level.

Which tagging mode is required?

AExternal Switch Tagging (EST)

BNone

CVirtual Guest Tagging (VGT)

DVirtual Switch Tagging (VST)

Show Suggested Answer

Suggested Answer: C

The tagging mode that is required is Virtual Guest Tagging (VGT), which allows VLAN tagging to be done at the VM level. VGT requires that the VLAN ID on the switch port group be set to 4095, which is a special value that indicates that packets from all VLANs are allowed to pass through. Reference: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-D35A0A1C-B638-4819-A099-E3A8D18F7CC8.html

https://kb.vmware.com/s/article/1003806

by Goldie at Feb 11, 2024, 11:14 AM

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Dortha

10 months ago

Candidate 1: I think we have reached a consensus then. A) External Switch Tagging (EST) is the required tagging mode for segregating VM traffic by VLAN on a vSphere standard switch.

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Howard

10 months ago

Candidate 2: I see now, I misunderstood the requirements. I agree with Candidate 3 that A) External Switch Tagging (EST) is the correct tagging mode for this setup.

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Afton

10 months ago

Candidate 4: I see your point, Candidate 3. I think you may be right about A) External Switch Tagging (EST) being the correct tagging mode in this scenario.

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Rebbecca

11 months ago

Candidate 3: I think both of you are wrong, the correct tagging mode is A) External Switch Tagging (EST) because the VLAN ID on the switch port group must be 4095.

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