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?（）
单项选择题 Which of the following protocols would BEST grant the user secure access to a remote location?（）
单项选择题 Which of the following devices is used to move frames between a source and destination basedon a MAC address?（）
