1. Which of the following requires less current to provide the same amount of power to devices inside a PC?

A) A. 5.5V
B) B. 12V
C) C. 120V
D) D. 220V



2. Which of the following is used to connect a headset to a laptop?

A) A. eSATA
B) B. BNC
C) C. RG-6
D) D. USB



3. An end user reports a Windows based PC just had a BSOD. The PC rebooted, and the user is now logged back in and working without any issues. Which of the following should a technician check FIRST to begin troubleshooting?

A) A. Hard drive S.M.A.R.T. data
B) B. Event Viewer
C) C. Device Manager
D) D. BIOS settings
E) E. Performance Monitor


4. A user calls the help desk stating a laptop is performing slowly and the hard drive activity lights are blinking continuously. A technician checks for enough hard drive space, disables antivirus and indexing services, and runs a full-system diagnostics check, which returns no failure. Which of the following should the technician do NEXT?

A) A. Install a new hard drive
B) B. Check for hard-drive firmware updates
C) C. Replace the hard drive with a solid state drive
D) D. Configure the laptop in high-performance mode
E) E. Change the boot order in the system BIOS


5. Which of the following IEEE 802.11 standards includes the use of MIMO technology?

A) A. 802.11a
B) B. 802.11b
C) C. 802.11g
D) D. 802.11n