WITH 100% CORRECT ANSWERS
Which of the following data connectivity options is the best to use when both availability and
reliability is required?
A- WiFi
B- Bluetooth
C- Cellular
D- Wired
D- Wired
Which of the following describes the difference between open source and commercial operating
systems?
A- Open source OSs only run on desktop computers, whereas commercial OSs run on servers.
B- Open source OSs only run on on standard and non-standard hardware, whereas commercial OSs
run on specifically designed hardware.
C- Open source OSs can be downloads and used by everyone, whereas commercial OSs can only be
used by companies
D- Open source OSs are usually provided free of charge, whereas commercial OSs usually require
some cost to use.
D- Open source OSs are usually provided free of charge, whereas commercial OSs usually require
some cost to use.
Which of the following is used with telepresence software?
A- VoIP telephone
B- Webcam
C- remote desktop
D- touchscreen
B- Webcam
A user has an external monitor that will not turn on. He has power to the laptop and is plugged into
the same power strip as the monitor. Which of the following is the first thing to check when
troubleshooting?
A- the VGI connection cord
B- the video cable
C- the laptop power cord
D- the monitor power cord
D- the monitor power cord
A technician has added an external HDD to a personal computer. The hard drive is powered on, but
the computer does not see the new HDD. Which of these is the first thing the technician should check
to fix this situation?
A- the power cord to the computer
B- the OS compatibility list
C- the HDD firmware version
D- The data cable connecting the HDD to the computer
D- The data cable connecting the HDD to the computer