A.QQ B.MSN C.E-mail D.Skype
A.網(wǎng)卡驅(qū)動程序的安裝 B.網(wǎng)絡(luò)協(xié)議的安裝 C.TCP/IP的設(shè)置 D.以上都是
A.32Mbps B.64kbps C.128Mbps D.256Mbps