VLAN ID的数值范围什么，但是有的交换机只支持1～1005( )。
A．1～4093
B．1～4094
C．1～4095
D．1～4096
参考答案：B
解析： VLAN ID的数值范围是l～4094，但是有的交换机只支持1～1005。其中，1是默认VLAN，一般用于设备管理，只能使用这个VLAN，但不能删除它；2～1000用于Ethernet VLANs，可以建立、使用和删除这些VLAN；1002～1005是预留给FDDI和Token Ring VLANs使用的；1025～4094是扩展的VLAN ID，其他为保留ID号。
| 情景对话。 | |
| A: Winter holidays will begin next month. Are you going back to America, Mary? B: No. 1______ A: What are you going to do? B: Mum will take me to Xi'an. 2______ A: Oh, she'll be happy to see you. B: Yes, we haven't seen each other for several yeans. A: 3______ B: She's working in Australia this year. And she worked in France the year before. A: 4______ B: Yes, she has. She likes travelling. so she always changes her work. A: Is she going to work in China? B: Yes, 5______ A: That's great.
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