单项选择题Whichstatementsabout802.1QtrunkinginSecureNetworkFoundationDesignGuideforSingleSiteDeploymentsarecorrect?()
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