3、C. All the devices on both networks are members of the same collision domain.
1、E. Bridges define broadcast domain while switches define collision domains.
5、Dr Barnett, you can in the electronic collision domain achievement nobody, I'm your biggest fan, especially when you're angry turned green monster! 班纳博士，你在电子碰撞领域成就无人能及，我是你的头号粉丝，特别是你一生气变成绿*大怪物的时候！
2、Switches create separate collision domains, but a single broadcast domain.
4、The area within the network, where the data packets originated and collided, is called a collision domain.
