單項選擇題

Which of the following BEST describes a hub?（）

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

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單項選擇題

On which of the following transmission media types can LC connectors be found?（）

A.UTP
B.STP
C.Coaxial
D.Fiber

多項選擇題

Which of the following protocols encrypt communication?（）

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