A.安全超文本傳輸協(xié)議(https) B.安全Shell(SSH)服務(wù) C.Telnet服務(wù) D.簡(jiǎn)單網(wǎng)絡(luò)管理協(xié)議(SNMP)
A.Application、session、transport、network、physical、physical、datalink B.Application,presentation,session,network,transport,datalink,physical C.Application,presentation,session,transport,network,datalink,physical D.Application,session,transport,physical、network、physical、datalink
A.網(wǎng)絡(luò)隔離和訪問控制 B.防治病毒的傳播 C.對(duì)數(shù)據(jù)包進(jìn)行路由轉(zhuǎn)發(fā) D.對(duì)用戶身份進(jìn)行認(rèn)證