Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?

VLAN Trunk Protocol (VTP) reduces administration in a switched network.

Virtual trunking protocol in server and client modes maintains the vlan database in all the switches

VTP (VLAN TRUNKING PROTOCOL)

VTP (VLAN TRUNKING PROTOCOL):

VLAN Trunk Protocol (VTP) reduces administration in a switched network. When you configure a new VLAN on one VTP server, the VLAN is distributed through all switches in the domain. This reduces the need to configure the same VLAN everywhere.