單項選擇題

使以太網(wǎng)從局域網(wǎng)向城域網(wǎng)領(lǐng)域滲透的以太網(wǎng)技術(shù)是（）。

A.以太網(wǎng)
B.快速以太網(wǎng)
C.千兆以太網(wǎng)
D.萬兆以太網(wǎng)

微信掃碼免費搜題