多项选择题

Which of the following protocols encrypt communication?（）

A.HTTPS
B.TELNET
C.SMTP
D.DNS
E.SSH

<上一题目录下一题>

热门试题

单项选择题

Which of the following protocols would BEST grant the user secure access to a remote location?（）

A.VPN
B.FTP
C.POP3
D.DNS

单项选择题

Which of the following devices is used to move frames between a source and destination basedon a MAC address?（）

A.Repeater
B.Hub
C.Router
D.Switch

相关试题