Which three statements about VLAN implementation in a Layer 2 switch environment are true? (Choose three.)

Which three statements about VLAN implementation in a Layer 2 switch environment are true? (Choose three.)
A . The Cisco IOS switchport access vlan interface configuration command is used to configure the native VLAN on the switch port.
B . 802.1AD supports VLAN overlap.
C . VLANs can span across multiple switches.
D . 802.1Q encapsulation is used to identify different VLANs on a trunk port.
E . Inter-VLAN routing is performed between VLAN tunnel ports.

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Answer: B,C,D