Refer to the diagram. Which three statements describe the router port configuration and the switch port configuration as shown in the topology? （）

• A、The Router1 WAN port is configured as a trunking port.
• B、The Router1 port connected to Switch1 is configured using subinterfaces.
• C、The Router1 port connected to Switch1 is configured as 10 Mbps.
• D、The Switch1 port connected to Router1 is configured as a trunking port.
• E、The Switch1 port connected to Host B is configured as an access port.
• F、The Switch1 port connected to Hub1 is configured as full duplex.