Implementing Cisco IP Switched Networks (SWITCH v2-0) (#352)

Which action allows a network engineer to limit a default VLAN from being propagated across all trunks?

Upgrade to VTP version 3 for advanced feature set support.
Enable VTP pruning on the VTP server.
Manually prune default VLAN with switchport trunk allowed vlans remove.
Use trunk pruning vlan 1.