多项选择题 What are some of the characteristics of a typical VLAN arrangement?（）

多项选择题 A new VLAN needs to be created for an existing network. Which of the following are the minimum tasks that must be accomplished in order to create the new VLAN?（）

单项选择题 What is a characteristic of ISL and 802.1q frame tagging in a switched LAN environment?（）