IEEE 802 规范定义了网卡如何访问传输介质，以及如何在传输介质上传输数据的方法。其中， （ ） 是重要的局域网协议。
- A.IEEE 802.1
- B.IEEE 802.3
- C.IEEE 802.6
- D.IEEE 802.11
正确答案及解析
正确答案
解析
选项A，IEEE 802.1是协议概论。选项B，IEEE802.3是局域网协议。选项C，IEEE802.6是城域网协议。选项D，IEEE802.11是无线局域网协议。
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