多项选择题
A. The trunk link belongs to a specific VLAN.
B. Multiple trunk links are used to connect multiple end user devices.
C. A trunk link only supports native VLAN.
D. Trunk links use 802.10 to identify a VLAN.
E. The native VLAN of the trunk link is the VLAN that the trunk uses for untagged packets.
多项选择题 ISL is being configured on a Company switch. Which of the following choices are true regarding the ISL protocol？ （）
多项选择题 Which of the following trunking modes are unable to request their ports to convert their links into trunk links？ （）
单项选择题 If you were to set up a VLAN trunk over a Fast Ethernet link on switch R1， which trunk mode would you set the local port to on R1 if you wanted it to respond to requests from its link partner （R2） and become a trunk？ （）