Cisco Certified Network Professional Practice Test 2025 – Your All-in-One Guide to Exam Success!

In a Private VLAN (PVLAN) setup, the command that specifically configures a primary VLAN is indeed utilized in the context of defining the VLAN as a primary one within the Private VLAN framework. The primary VLAN serves as the parent VLAN for the associated secondary VLANs, which can either be isolated or community VLANs, aiding in traffic segregation while preserving communication capabilities between different devices.

By issuing the command that designates a VLAN as a primary VLAN, you allow for more granular control of traffic policies and interactions among networked devices. This command ensures that the designated VLAN can manage the associations with secondary VLANs, establishing the necessary environment for proper data flow while maintaining isolation where required.

This foundational aspect of configuring Private VLANs highlights their effectiveness in multi-tenant environments or scenarios where traffic segmentation is essential for security or management purposes. The other commands listed do not directly serve the purpose of designating a VLAN as primary in a Private VLAN context.