A.IEEE 802.3規(guī)定了10兆（10M）以太網(wǎng)各項(xiàng)標(biāo)準(zhǔn)及規(guī)范
B.IEEE 802.3z、802.3ab規(guī)定了100兆（100M）以太網(wǎng)標(biāo)準(zhǔn)及規(guī)范
C.IEEE 802.3u規(guī)定了1000兆（1000M）以太網(wǎng)標(biāo)準(zhǔn)及規(guī)范
D.IEEE 802.3系列協(xié)議規(guī)定只可以使用雙絞線進(jìn)行數(shù)據(jù)傳輸