A. Emergency Restore DiskB. System Restore pointC. Orig……

单项选择题Which of the following is the MOST common secure web server port?（）

A.22
B.80
C.110
D.443

多项选择题A client states they are receiving poor signal strength on their wireless Internet connection. Which of the following is MOST likely causing the interference?（）

A. Cordless phones
B. Drywall
C. Access points
D. Microwaves
E. Fluorescents lights

单项选择题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

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