Which statement describes a best practice when configuring trunking on a switch port?

Which statement describes a best practice when configuring trunking on a switch port?

A.
Disable double tagging by enabling DTP on the trunk port.

B.
Enable encryption on the trunk port.

C.
Enable authentication and encryption on the trunkport.

D.
Limit the allowed VLAN(s) on the trunk to the native VLAN only.

E.
Configure an unused VLAN as the native VLAN.