A、802.1Q native VLAN frames are untagged by default.

B、802.1Q trunking ports can also be secure ports.

C、802.1Q trunks can use 10 Mb/s Ethernet interfaces.

D、802.1Q trunks require full-duplex, point-to-point connectivity.

E、802.1Q trunks should have native VLANs that are the same at both ends.