单项选择题
A. Hub
B. Switch
C. Router
D. Bridge
E. None of the other alternatives apply
单项选择题 pany has implemented numerous multilayer switches that utilize FIB tables. Which statement is true about the Forward Information Base （FIB） table？（）
单项选择题 Refer to the exhibit. What type of attack is being defended against？ （）
单项选择题 Refer to the exhibit. What will happen to traffic within VLAN 14 with a source address of 172.16.10.5？（）