多项选择题
A.copier B.microwave oven C.toaster D.cordless phone E.IP phone F.AM radio
WhichprotocolprovidesamethodofsharingVLANconfigurationi...
单项选择题Which protocol provides a method of sharing VLAN configuration information between switches?（）
A.VTP B.STP C.ISL D.802.1Q E.VLSM
Whichofthefollowingaretypesofflowcontrol?(Choosethree.)...
多项选择题Which of the following are types of flow control? (Choose three.)（）
A.buffering B.cut-through C.windowing D.congestion avoidance E.load balancing
Acknowledgements,sequencing,andflowcontrolarecharacteri...
单项选择题Acknowledgements, sequencing, and flow control are characteristics of which OSI layer?（）
A.Layer 2 B.Layer 3 C.Layer 4 D.Layer 5 E.Layer 6 F.Layer 7
