When enabling VTP pruning, where does it need to be configured?

A. VTP needs to be configured only on the VTP server.
B. VTP needs to be configured only on the VTP client.
C. VTP needs to be configured only on the VTP transparent.
D. VTP needs to be configured on all VTP clients and the server.

A. VTP pruning needs to be configured only on the VTP server. The clients will receive the update and turn on VTP pruning automatically.