A+ ch2 Flashcards
A new technical has joined the IT team and is about to service a heavy printer. What advice would you give this technician to avoid injury when transporting the heavy printer to the service area?
bend your knees to use the strength in your legs to lift the printer.
how does an inline UPS protect computer equipment against electrical power brownouts and blackouts?
by using a battery to supply a constant level of voltage
which circumstance increases the likelihood of ESD damage to a computer?
working in low levels of humidity
which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
brownout
what are two significant sources of EMI?
electrical storms, power lines
a technician is unpacking a new PCIe video adapter from an anti-static bag to install the card in a desktop computer. which two measures should the technician use to protect the card and other computer components?
use a grounded mat on the workbench, use a correctly connected anti-static wrist strap
how should a technician dispose of an empty inkjet cartridge?
follow local regulations for disposal
what makes CRT monitor disposal dangerous for a technician who is handling the disposal?
potential residual high voltage
a technician is troubleshooting connectivity issues to a PC and needs to verify which cable is plugged into the correct port of the patch panel. what tool should the technician use?
toner probe
which tool is designed to loosen or tighten crosshead screws?
philips screwdriver
what tool would a technician use to remove a slotted screw?
flat head screwdriver
which tool in windows OS gives a technician access to initialize disks and create partitions?
disk management
which windows OS tools scans the critical files of the operating system and replaces any files that have been corrupted?
system file checker
which tool should be used if a user needs to optimize space on a hard drive?
optimize drives
why is documentation of all services and repairs an important organizational tool for a technician?
it provides reference material for similar problems when they are encountered in the future
which tool could potentially cause data loss on hard disk or floppy drives?
a magnetic screwdriver
why should an antistatic wrist strap be worn when working on electronic equipment?
to equalize charge between a person and the equipment
which precaution should be taken when working inside computer systems?
avoid using magnitized tooles
which cleaning solution is recommended to clean the contacts of computer components?
isopropyl alcohol
why should a pencil never be used as a tool when working inside a computer?
pencil lead is conductive
a technician suspects that a power supply is faulty. how can it be checked?
by using a multimeter
