多项选择题
Which two values are used by Spanning Tree Protocol to elect a root bridge?（）
A. amount of RAM B. bridge priority C. IOS version D. IP address E. MAC address F. speed of the links
多项选择题 What are two advantages of Layer 2 Ethernet switches over hubs?（）
多项选择题 Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4?（）
多项选择题 What are two benefits of using VTP in a switching environment?（）
