To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?（）

• A、Each end of the trunk line must be set to IEEE 802.1E encapsulation.
• B、The VTP management domain name of both switches must be set the same.
• C、All ports on both the switches must be set as access ports.
• D、One of the two switches must be configured as a VTP server.
• E、A rollover cable is required to connect the two switches together.
• F、A router must be used to forward VTP traffic between VLANs.