多项选择题 Inter-VLAN routing has been implemented in the Company network. In VLAN routing，  what are  some of the disadvantages of designing a router-on-stick configuration？ （）

单项选择题 The Company network needs to pass traffic between VLANs.  Which device should be used to  accomplish this？ （）

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？（）