Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct？（）

• A、The Cisco Control VLAN carries only Layer 2 control traffic
• B、802.1Q trunking is used between the access switch and the router
• C、There is no 802.1Q trunking used in these designs
• D、When 802.1Q trunks are configured， they are also called Native VLANs
• E、Trunking Ensures that traffic from only one VLAN is carried on that trunk