An engineer needs to add a customer private VLAN to the network. What configuration is required to isolate the customer’s traffic on the network?
A. Configure transparent mode
B. Enable VTP v3
C. Configure VTP in server mode
D. Disable VTP and manually configure the customer VLAN
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3560/software/release/12-2_52_se/configuration/guide/3560scg/swpvlan.html
When you configure private VLANs, the switch must be in VTP transparent mode.