A.安裝防火墻 B.采用無線網(wǎng)絡(luò)傳輸 C.數(shù)據(jù)加密 D.漏洞掃描
A.拒絕服務(wù) B.口令入侵 C.網(wǎng)絡(luò)監(jiān)控 D.IP欺騙