Which statement is true about trunking?

A.
Cisco switches that run PVST+ do not transmit BPDUs on nonnative VLANs when using a dot1q
trunk.

B.
When removing VLAN 1 from a trunk, management traffic such as CDP is no longer passed in that
VLAN.

C.
DTP only supports autonegotiation on 802.1q and does not support autonegotiation for ISL.

D.
DTP is a point-to-point protocol.