多项选择题
A.FTP
B.Telnet
C.SMTP
D.DNS
E.HTTP
F.POP3
多项选择题 WhichtwopasswordsmustbesuppliedinordertoconnectbyTelnettoaproperlysecuredCiscoswitchandmakechangestothedeviceconfiguration?(Choosetwo.)（）
多项选择题 TheOSPFHelloprotocolperformswhichofthefollowingtasks?(Choosetwo.)（）
多项选择题 AnetworkadministratorwantstoensurethatonlytheservercanconnecttoportFa0/1onaCatalystswitch.TheserverispluggedintotheswitchFa0/1portandthenetworkadministratorisabouttobringtheserveronline.WhatcantheadministratordotoensurethatonlytheMACaddressoftheserverisallowedbyswitchportFa0/1?（）