A retinal scanner is an example of which of the following security methods?

Which of the following would be a reason to use the standard formatting option after installing
Windows XP in a repaired computer?

Which of the following is an emerging short range networking standard designed to allow for
wireless connection to a range of up to 30 feet?

Infrared device functionality is dependant on which of the following?

A spot appears on all documents scanned on a multifunctional device. Which of the following
would be the FIRST step to take to resolve this problem?

A technician is upgrading the memory on a laptop that has a front-side bus speed of 333MHz.
Which of the following memory module types has the minimum data transfer rate necessary to
support this upgrade?

Dust accumulation inside a computer can cause:

When servicing a printer, a technician touches the back of the printer and the computer at the
same time and receives a voltage shock. The technician discovers that there is a 120 volt
alternating current (AC) between the computer and the printer. Which of the following actions
should the technician take?

Preventive maintenance on internal components includes:

Before starting a motherboard upgrade, which of the following steps would be important to take?