Implementing Cisco IP Switched Networks (SWITCH v2-0) (#355)

Refer to the output below. Which effect of this configuration is true?

It enables tagging support for 1000 VLANs, including the native VLAN.
It enables a Cisco-proprietary trunking protocol.
It prevents the port from operating with VTP.
It enables tagging for up to 4096 VLANs, but tagging on the native VLAN is not supported.