A.PPT B.TXT C.HTTP D.DOC E.DLC
A.萬維網(wǎng) B.局域網(wǎng) C.廣域網(wǎng) D.城域網(wǎng) E.以太網(wǎng)
A.局域網(wǎng)傳輸協(xié)議 B.撥號入網(wǎng)傳輸協(xié)議 C.傳輸控制協(xié)議和網(wǎng)際協(xié)議 D.SI協(xié)議 E.超文本傳輸協(xié)議