多项选择题
A. to make VTP easier to implement
B. to isolate broadcast traffic
C. to increase the size of the collision domain
D. to allow more devices to connect to the network
E. to logically group hosts according to function
F. to increase network security
单项选择题 A college has a small campus where 25 faculty members are located. The faculty offices and student computers are currently on the same network. The faculty are concerned about students being able to capture packets going across the network and obtain sensitive material. What could a network administrator do to protect faculty network traffic from student connections?（）
多项选择题 Which statement describe two of the benefits of VLAN Trunking Protocol?（）
多项选择题 The network security policy requires that only one host be permitted to attach dynamically to each switch interface. If that policy is violated, the interface should shut down. Which two commands must the network administrator configure on the 2950 Catalyst switch to meet this policy?（）