CompTIA A+ 220-701 Practice Questions: Operational Procedures
- 6.1 Outline the purpose of appropriate safety and environmental procedures and given a scenario apply them
- 6.2 Given a scenario, demonstrate the appropriate use of communication skills and professionalism in the workplace
- Quick-Check Answer Key
- Answers and Explanations
This chapter is from the book
This chapter is from the book
This chapter is from the book
The last domain for the 220-701 exam is Operational Procedures. This domain can be divided into two parts. The first part relates to the environment where you work and how you can affect it. The second part deals with how to interact with customers. Remember, you are there to service them; it is not the other way around.
This domain for the 220-701 exam counts as 10%. The given objectives for this domain are as follows:
- 6.1—Outline the purpose of appropriate safety and environmental procedures and apply them to a given scenario
- 6.2—Given a scenario, demonstrate the appropriate use of communication skills and professionalism in the workplace
6.1 Outline the purpose of appropriate safety and environmental procedures and given a scenario apply them
- ESD
- EMI
- Network interference
- Magnets
- RFI
- Cordless phone interference
- Microwaves
- Electrical safety
- CRT
- Power supply
- Inverter
- Laser printers
- Matching power requirements of equipment with power distribution and UPSs
- Material Safety Data Sheets (MSDS)
- Cable management
- Avoiding trip hazards
- Physical safety
- Heavy devices
- Hot components
- Environmental – consider proper disposal procedures
-
What type of equipment should be used to minimize the chances of ESD (electrostatic discharge) during normal computer maintenance work?
A.
Surge protector
B.
Terrycloth towel
C.
Wrist strap
D.
Screwdriver
Quick Answer: 218
Detailed Answer: 219
-
What is the purpose of the antistatic wrist strap?
A.
To protect the equipment from electrostatic discharge
B.
To protect the technician from injury
C.
To place the technician's body at the same electrical potential as the system board
D.
To protect technicians working on high-voltage equipment such as power supplies and CRT monitors
Quick Answer: 218
Detailed Answer: 219
-
Which of the following is the most effective tool for protecting the PC system from dangerous static buildup?
A.
An ESD wrist or ankle strap
B.
The safety ground plug at a commercial AC receptacle
C.
The ground plane of the system board
D.
The chassis ground provided by the brass standoff(s)
Quick Answer: 218
Detailed Answer: 219
-
You are going to replace faulty memory within a computer. You shut down the computer. What should you NOT do to avoid ESD? (Choose the best answer.)
A.
You should use an ESD mat.
B.
You should use an ESD strap.
C.
You should touch the ground of the workshop.
D.
You should touch the metal case of the power supply that is plugged into a properly grounded outlet.
Quick Answer: 218
Detailed Answer: 219
-
Wrist straps will be useful only if which of the following criteria are met? (Choose the best answer.)
A.
They are plugged into the wrist strap jack.
B.
They are clean and make good skin contact.
C.
The cord has not been damaged.
D.
All of the options provided are correct.
Quick Answer: 218
Detailed Answer: 219
-
In addition to the antistatic wrist strap, which of the following would you use to reduce ESD? (Choose two answers.)
A.
Use an ESD mat
B.
Touch the ground of the workshop
C.
Touch the metal case of the power supply that is plugged into a properly grounded outlet
D.
Take off your tie and shoes
Quick Answer: 218
Detailed Answer: 219
-
Before opening a static-shielding container or bag that includes an electronic device, you should do which of the following?
A.
Look inside to see if it is really sensitive
B.
Check for paperwork inside the container
C.
Ground yourself in an ESD-protected area
D.
Call the manufacturer for operating instructions
Quick Answer: 218
Detailed Answer: 219
-
Before transporting an ESD-sensitive device, it must be which of the following?
A.
Enclosed in a static shielding container or bag
B.
Put in a cardboard box
C.
Thoroughly cleaned
D.
Wrapped in newspaper
Quick Answer: 218
Detailed Answer: 220
-
To prevent ESD, humidity should be kept at least at what percentage when working on a computer?
A.
10%
B.
25%
C.
50%
D.
75%
Quick Answer: 218
Detailed Answer: 220
-
Damaging ESD is most likely to occur when which of the following occurs?
A.
You are working around rubber mats.
B.
You are using test instruments on a system.
C.
The humidity is low.
D.
You unplug a power supply unit.
Quick Answer: 218
Detailed Answer: 220
-
One of your customers has called you because he was attempting to perform a RAM upgrade on his machine when he felt a small snap on his fingertip. Now the system does not start up to the desktop. What should you do in this situation?
A.
Try to determine the exact damage done and then educate the customer about ESD.
B.
Tell the customer it's a lot less expensive to call you in the first place and then install new memory modules in the PC.
C.
Tell the customer that he should wear an antistatic wrist strap if he is going to be working on his own equipment. Then replace the system board.
D.
Replace the RAM with new modules and install an antistatic mat under the PC.
Quick Answer: 218
Detailed Answer: 220
-
At the office, a number of ceiling fans were installed. Now users are complaining of slow activity on the network. Nothing else has changed on the network. What is the most likely cause of this problem?
A.
AMI
B.
EMI
C.
MIB
D.
FDM
Quick Answer: 218
Detailed Answer: 220
-
Which of the following can cause EMI? (Choose all that apply.)
A.
Fluorescent lights
B.
Space heaters
C.
Industrial motors
D.
Radio
Quick Answer: 218
Detailed Answer: 220
-
Magnets can cause which of the following? (Choose two answers.)
A.
FDM
B.
Current
C.
EMI
D.
AMI
Quick Answer: 218
Detailed Answer: 220
-
What is the most likely cause of wavy images on a CRT monitor?
A.
Bad memory
B.
Viruses
C.
EMI
D.
Bad motherboard
Quick Answer: 218
Detailed Answer: 221
-
What is used to limit the flow of RFI radiation from the computer?
A.
The power supply
B.
Grounded connector
C.
The case
D.
Heat sink
Quick Answer: 218
Detailed Answer: 221
-
You have 802.11g network wireless adapters. Every day around lunchtime, wireless users complain of lack of connectivity. What can you do for this problem?
A.
Replace the WAP with an 802.11b WAP
B.
Reduce the RFI around the WAP
C.
Configure the wireless workstations and the WAP to operate in ad-hoc mode
D.
Connect the WAP directly to the network
Quick Answer: 218
Detailed Answer: 221
-
You have a wireless phone. Every time you get a phone call, you get disconnected from the 802.11g wireless network. What is the problem?
A.
EMI
B.
RFI
C.
AMI
D.
Power spikes
Quick Answer: 218
Detailed Answer: 221
-
The local weather report indicates that an electrical storm with severe winds is likely to occur in your area overnight. What reasonable precautions should you take to protect your computers?
A.
Monitor the computers until the storm passes
B.
Plug the computers into a surge protector
C.
Turn off the computers
D.
Unplug the computers
Quick Answer: 218
Detailed Answer: 221
-
What are the voltage levels commonly found in a CRT?
A.
250,000V
B.
250V
C.
25,000V
D.
25V
Quick Answer: 218
Detailed Answer: 221
-
Which voltage level is more dangerous—110V AC at 5 amps or 25,000V DC at 5 microamperes?
A.
The 25,000V level is much more dangerous than the 110V level.
B.
Neither are particularly dangerous.
C.
Both are extremely dangerous.
D.
The 5 amp level is much more dangerous than the 5 microampere level.
Quick Answer: 218
Detailed Answer: 221
-
When would it be inappropriate to use an ESD wrist strap? (Choose two answers.)
A.
While working on hard disk drives
B.
While working on system boards
C.
While working on CRT video monitors
D.
While working on printers
E.
While working on a power supply
Quick Answer: 218
Detailed Answer: 221
-
After you've removed the outer case from a CRT display, what precaution should you take before troubleshooting it? (Choose two answers.)
A.
Make sure that it's discharged
B.
Get clearance from your supervisor
C.
Put on an antistatic wrist strap
D.
Disconnect the monitor from the AC power source
Quick Answer: 218
Detailed Answer: 222
-
The laser light in a high-quality laser printer is classified as a Class A laser device. What does this rating mean to technicians working on this laser printer?
A.
Never shine the light on your skin
B.
Never shine the light on any part of your body
C.
Never shine the light in your eyes
D.
Never touch the light while it is in operation
Quick Answer: 218
Detailed Answer: 222
-
Which type of printer can be a source of electrocution, eye damage, and burns?
A.
Laser
B.
Dot matrix
C.
Inkjet
D.
Daisy wheel
Quick Answer: 218
Detailed Answer: 222
-
Which component of a dot matrix printer generates a great deal of heat and can be a burn hazard when working on these units?
A.
Paper tray
B.
Platen
C.
Ribbon
D.
Print head
Quick Answer: 218
Detailed Answer: 222
-
What type of device is used to power a laptop using the car's cigarette lighter?
A.
UPS
B.
Surge processor
C.
Capacitance battery
D.
Inverter
Quick Answer: 218
Detailed Answer: 222
-
Of the following, which is the most important to keep in mind when choosing an inverter?
A.
The amount of power an inverter can supply
B.
The amount of surge protection it offers
C.
The number of plugs or ports
D.
The number of lights
Quick Answer: 218
Detailed Answer: 222
-
You are choosing a UPS to make sure that your computer is protected. What are the two criteria you should choose when selecting the correct UPS? (Choose two answers.)
A.
The amount of power a UPS can supply
B.
The amount of surge protection it offers
C.
The number of plugs or ports
D.
The amount of time that a UPS can power a PC when AC power is not available
Quick Answer: 218
Detailed Answer: 223
-
A large amount of water is spilt on the floor of the server room. What should you do first?
A.
Place newspaper over the water
B.
Wear rubber soled shoes and mop up the floor
C.
Inform the system administrator of this safety hazard
D.
Shut down all computers in the server room
Quick Answer: 218
Detailed Answer: 223
-
You are checking a system that has failed when you discover that it failed because one of the power supply wires running to the system board was damaged. How should you handle this situation?
A.
Cut the wire so it is even with the power supply housing and troubleshoot the system board for possible faults
B.
Splice the two ends of the cable together and apply heat-shrink tubing over the repaired area of the wire
C.
Cap off the cable using electrical tape
D.
Replace the power supply unit
Quick Answer: 218
Detailed Answer: 223
-
Which of the following actions can cause a system board to short out when you change an adapter card?
A.
Not wearing an antistatic wrist strap
B.
The PnP function not being configured properly
C.
Placing the adapter card in the wrong type of expansion slot
D.
Not removing the power cord from the AC power source
Quick Answer: 218
Detailed Answer: 223
-
What is required for hazardous materials when they change hands?
A.
Disposal bags
B.
Material Safety Data Sheets (MSDS)
C.
Red flags
D.
OSDF
Quick Answer: 218
Detailed Answer: 223
-
On an MSDS you will not find which of the following?
A.
Chemical name
B.
Hazard rating
C.
Safety first measures
D.
Emergency telephone number
Quick Answer: 218
Detailed Answer: 223
-
Which of the following rated fire extinguishers should be used in case of electrical fire?
A.
"A-rated" extinguisher
B.
"B-rated" extinguisher
C.
"ABC-rated" extinguisher
D.
None of the answers provided are correct
Quick Answer: 218
Detailed Answer: 224
-
Which of the following fire extinguishers would you use if your computer caught fire?
A.
"A-rated" extinguisher
B.
"B-rated" extinguisher
C.
"C-rated" extinguisher
D.
None of the answers provided are correct
Quick Answer: 218
Detailed Answer: 224
-
When you arrive at your workstation, you find three desktop PCs sitting on the floor in front of your workbench. You will have to lift them onto the workbench to work on them. Which of the following describes the correct way to lift a personal computer from the floor?
A.
With knees bent, lift with your back
B.
With knees bent, lift with your legs
C.
With knees straight, lift with your back
D.
With knees straight, lift with your arms
Quick Answer: 218
Detailed Answer: 224
-
Which of the following are legitimate ways of disposing of chemical solvents and cans?
A.
If they are not listed on the MSDS, dispose of them in your normal trash-disposal system.
B.
Open the containers and allow the liquids to evaporate so that they can be buried.
C.
If your local code calls for it, dispose of the items in a Subtitle-D dumpsite.
D.
Burn them in an acceptable disposal oven.
Quick Answer: 218
Detailed Answer: 224
-
What is the correct procedure for disposing of laptop batteries?
A.
Incineration
B.
First try to recharge the batteries for reuse
C.
Consult the local guidelines for disposing of hazardous material
D.
Dispose in a trash can
Quick Answer: 218
Detailed Answer: 224
-
What is the recommended method for handling a dead battery?
A.
Recycle it
B.
Throw it in the trash
C.
Burn it in a certified incinerator
D.
Recharge it
Quick Answer: 218
Detailed Answer: 224
-
What is the recommended method for handling an empty toner cartridge?
A.
Recycle it through the original manufacturer
B.
Throw it in the trash
C.
Burn it in a certified incinerator
D.
Turn it in to a licensed computer retailer
Quick Answer: 218
Detailed Answer: 224
-
CRT monitors contain which of the following elements that cause their disposal to be considered hazardous?
A.
Copper
B.
Lead
C.
Tin
D.
Aluminum
Quick Answer: 218
Detailed Answer: 224
-
When disposing of a CRT, you should first do which of the following?
A.
Pack it in its original container and dispose of it in the normal garbage
B.
Discharge the HV anode and dispose of it in the normal garbage pickup
C.
Check applicable local ordinances and dispose of it in accordance with local regulations
D.
Smash the CRT's glass envelope with a hammer and dispose of it in a Subtitle-D dumpsite
Quick Answer: 218
Detailed Answer: 224
-
When using network cable to connect a computer to a switch, what should you always attempt to prevent a trip hazard? (Choose two answers.)
A.
Use a cable that is short enough that it is lifted off the floor.
B.
Run cables in ceiling or in the walls.
C.
If you need to run cable on the ground, use a cable safety strip.
D.
Remove all cabling and use wireless technology.
Quick Answer: 218
Detailed Answer: 224