单项选择题
A. ip routing
B. switchport mode trunk
C. no switchport
D. switchport trunk native vlan 1
E. None of the other alternatives apply
多项选择题 Which of the following could be used to provide a Layer 3 data path between separate VLANs？（）
多项选择题 Inter-VLAN routing has been implemented in the Company network. In VLAN routing， what are some of the disadvantages of designing a router-on-stick configuration？ （）
单项选择题 The Company network needs to pass traffic between VLANs. Which device should be used to accomplish this？ （）