單項(xiàng)選擇題計(jì)算機(jī)網(wǎng)絡(luò)按覆蓋范圍來(lái)分可分為()

A.以太網(wǎng)和令牌網(wǎng)
B.局域網(wǎng)和以太網(wǎng)
C.局域網(wǎng)和廣域網(wǎng)
D.廣域網(wǎng)和以太網(wǎng)


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