多项选择题
A. VLANs logically divide a switch into multiple, independent switches at Layer 2.
B. Trunk links can carry traffic for multiple VLANs.
C. VLAN implementation significantly increases traffic due to added trunking information.
D. A VLAN can span multiple switches.
E. VLANs typically increase the number of switches needed
F. VLANs typically decrease the number of switches needed
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?（）
多项选择题 Which of the following a true statements regarding the use of VLANs to segment anetwork? （）