Turbocharge Your IT Journey: Ace the Cisco Certified Network Pro Test 2026 – Network Ninja Style!

A Private VLAN is designed to allow communication between clients (often referred to as end devices) and a gateway while isolating those clients from each other. It provides a way to manage communication within a single VLAN while enforcing network security and segmentation.

In a Private VLAN configuration, there are typically two main types of ports: trunk ports and isolated or community ports. The isolated ports can communicate with the gateway or with shared services but cannot communicate directly with each other, thus preventing unwanted traffic between clients. Community ports allow certain devices to communicate with each other while still isolating them from isolated ports.

This isolation is particularly useful in scenarios such as when multiple clients (like virtual machines on the same network) need access to shared services but should not be able to send data directly to each other. Private VLANs help maintain security and efficiency in such environments, which is vital for organizational structure and protecting sensitive information.

The other choices do not provide the same level of control over client communication while isolating clients from each other as a Private VLAN does.