What can you implement on your switches to make them share VLANs dynamically so you don't have to touch every device when there is a VLAN change?

• A. VTP
• B. STP
• C. OSPF
• D. BGP

Answer: (A)

This question is about distributing VLAN definitions across switches so changes don’t require touching every device. VLAN Trunking Protocol (VTP) handles this by centralizing VLAN management in a VTP domain. When you add, delete, or rename a VLAN on a server-capable switch, VTP automatically propagates those changes to other switches in the same domain, so all switches share the same VLAN configuration without manual updates on each device. For this to work, switches must be in the same VTP domain and properly configured (server or client mode with trunk links carrying VLAN information).

Spanning Tree Protocol focuses on preventing loops, not sharing VLAN definitions. OSPF and BGP are routing protocols and deal with path selection between routers, not VLAN configurations on switches.