2V0-621 Question #48: Real Exam Question with Answer & Explanation

The correct answer is C: Promiscuous. In a Private VLAN configuration, Promiscuous ports can send and receive traffic to and from all secondary PVLAN types, including Isolated ports, making them the only secondary type that can reach Isolated PVLANs.

Question

Which secondary Private VLAN (PVLAN) type can communicate and send packets to an Isolated PVLAN?

Options

ACommunity
BIsolated
CPromiscuous
DPrimary

Explanation

In a Private VLAN configuration, Promiscuous ports can send and receive traffic to and from all secondary PVLAN types, including Isolated ports, making them the only secondary type that can reach Isolated PVLANs.

Common mistakes.

A. Community PVLAN ports can communicate with other ports in the same Community and with Promiscuous ports, but are blocked from communicating with Isolated PVLAN ports.
B. Isolated PVLAN ports can only communicate with Promiscuous ports; two Isolated ports cannot exchange traffic with each other.
D. Primary is not a secondary PVLAN type - it is the main VLAN that acts as the parent for secondary Community and Isolated PVLANs.

Concept tested. Private VLAN secondary port type communication rules

Reference. https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-networking/GUID-8DC6D7B1-B4B1-4C97-B353-BA0C66EFE8EB.html

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