Which of the following statements are true regarding Layer 3 switches？（Choose all that apply.）（）

• A、A routed port does not run STP or DTP
• B、A routed port is considered to be in a down state if it is not operational at both Layer 1 andLayer 2
• C、An SVI is considered to be in a down state if it is not operational at both Layer 1 and Layer 2
• D、An SVI is considered to be in a down state only when none of the ports in the correspondingVLAN are active
• E、An SVI port does not run 5TP or DTP
• F、To create a trunk， an SVI can be logically divided into subinterfaces