What does VLAN Trunking Protocol (VTP) allow switches to do?

VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol that plays a key role in managing VLAN configurations across switches within a network. The correct choice highlights that VTP allows switches to see all the VLANs within the entire network.

When VTP is configured, switches can communicate with one another to synchronize their VLAN information. This means that when a new VLAN is created or an existing VLAN is modified on one switch, this information is propagated to all other switches in the VTP domain. As a result, all switches are aware of the VLANs that exist, making it easier to manage and configure VLANs consistently across the entire network.

Understanding this function of VTP is crucial for network administrators, as it simplifies VLAN management and reduces the chances of VLAN misconfigurations. By ensuring that all switches share VLAN information, VTP enhances network organization and ensures a cohesive VLAN structure within the network infrastructure.