A. Determines the best route to transmit data B. Inspects traffic and accepts or declines transmission C. Broadcasts data to specific network devices D. Broadcasts data to all network devices
单项选择题On which of the following transmission media types can LC connectors be found?（）
A.UTP B.STP C.Coaxial D.Fiber
多项选择题Which of the following protocols encrypt communication?（）
A.HTTPS B.TELNET C.SMTP D.DNS E.SSH
