2.1. Demonstrate How to Follow Basic Safety Procedures. 100-140 Practice Questions (Page 5)

Questions 21–25

1. 21application · medium

   A technician is about to open a desktop PC that has been running for several days. The technician notices the power supply fan is spinning and the case feels warm. After unplugging the power cord, what is the most appropriate next step before touching internal components?

   • APress the power button for 5 seconds to discharge residual capacitor charge, then wait a few minutes.
   • BPut on an ESD wrist strap and then proceed to open the case.
   • CImmediately remove the side panel and start replacing the RAM.
   • DTouch the metal case with both hands to ground yourself, then open the case.
   Reveal Solution Discussion Select an answer first
2. 22application · medium

   A small office has a server room with a Class C fire extinguisher mounted near the door. A technician notices smoke coming from a server's power supply. What should the technician do first?

   • AUnplug the server and use the Class C extinguisher to put out the fire.
   • BUse a bucket of water to cool the power supply.
   • COpen the server case to locate the source of the smoke.
   • DEvacuate the area and call the fire department before attempting to extinguish the fire.
   Reveal Solution Discussion Select an answer first
4. 23expert · hard

   A technician is upgrading a workstation in a location where the only available ground point is a metal water pipe. The technician has an ESD wrist strap and a mat. What is the best course of action?

   • ADo not use the water pipe because it is not a proper electrical ground.
   • BConnect the wrist strap to the water pipe, place the mat on the desk, and work on the mat.
   • CUse the wrist strap connected to the workstation's metal chassis instead of the water pipe.
   • DWork without any ESD protection because the risk is low.
   Reveal Solution Discussion Select an answer first
5. 24expert · hard

   A technician is setting up a new workstation in a cubicle. The cubicle has a low ceiling and limited space. The technician needs to install a monitor on a mount. What is the most important safety consideration?

   • AUse a taller chair to reach the mount easily.
   • BAsk a coworker to hold the monitor while you attach it to the mount.
   • CEnsure the monitor mount is rated for the monitor's weight and is securely attached to the desk or wall.
   • DInstall the mount at the highest possible position to save desk space.
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   Which of the following is the correct way to use an anti-static mat when working on a computer?

   • AUse the mat as a barrier between the computer and the floor to prevent electric shock.
   • BPlace the mat under your chair and keep your feet on it while working.
   • CConnect the mat to a metal water pipe and place components on the mat without a wrist strap.
   • DPlace the computer on the mat and wear a wrist strap connected to the mat.
   Reveal Solution Discussion Select an answer first