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HPE0-V14 Exam - Question 52

Refer to the exhibit.

Exam HPE0-V14 Question 52

An administrator connected a hypervisor to interface Ten-GigabitEthernet1/0/1 in a switch. The administrator created virtual machines in VLAN 10 and 20 on the hypervisor. VLAN 10 is configured to be tagged, and VLAN 20 is configured to be untagged on the hypervisor.

The administrator found that all the virtual machines in VLAN 20 can communicate with each other, but not with any virtual machines on VLAN 20 external to the hypervisor.

Given the output in the exhibit, what should you do to resolve the issue?

Show Answer
Correct Answer: B

The issue described is that virtual machines in VLAN 20 on the hypervisor can only communicate with each other and not with external machines in VLAN 20. This problem can arise if VLAN 20 frames are not being tagged correctly when leaving the hypervisor. Since VLAN 20 is configured to be untagged on the hypervisor, the switch port needs to properly accommodate untagged frames. The Primary VLAN ID (PVID) is used to tag incoming untagged frames on the switch port with a specified VLAN ID. By setting the PVID to VLAN 20, the switch can correctly process untagged frames from the hypervisor as belonging to VLAN 20, allowing communication with external machines. Therefore, configuring the PVID of the interface to VLAN 20 is the correct solution.

Discussion

5 comments
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EYE
Jul 10, 2020

PVID20 + VLAN20 = untagged

David_Le
Sep 9, 2020

B. Configure the PVID of the interface to be VLAN 20.

Overfin
Oct 6, 2020

Because if it is the correct one, it is B. Do they change it?

slotblocker
Dec 13, 2021

Do you know how to ask something else?

ActionJ
Sep 14, 2020

It seems that it's clear that B would be the correct answer. So why would someone use D as the answer to this question? IRF port?

DonChevoDeLaPaca
Oct 29, 2022

Since the main purpose of the PVID is for VLAN-unaware devices, it is anticipated that frames exiting the port should be Un-Tagged. If the port connects VLAN-aware devices, then the user can edit the VLAN and return the setting to Tagged, causing the port to egress tagged frames for the VLAN. All frames within the switch are tagged. Port-based VLANs are implemented by PVID settings. Untagged frames arriving at a port are tagged with the VLAN ID specified by the PVID of the port. + correct answer: B. Configure the PVID of the interface to be VLAN 20.