单项选择题
Ensuring that data is transmitted securely over an IP network is the main purpose of：（）
A.Telnet
B.FTP
C.SIP
D.TLS
点击查看答案
相关考题
-
单项选择题
WhichofthefollowingisSTPBESTidentifiedbyunderthecablesheath？（）
A.Number of twists in wires
B.Number of wires
C.Lubricant
D.Foil -
多项选择题
Whichofthefollowingwouldbeconsideredaroutingprotocol？（）
A.OSPF
B.DHCP
C.SMTP
D.SNMP
E.RIP -
单项选择题
WhichofthefollowingnetworkservicesisresponsibleformappingnamestoIPaddresses？（）
A.DHCP
B.DNS
C.IMAP4
D.Telnet
