Chapter 2 Test ITSC 1371
Thumb screws
secures case panel to case. Hand tighten only
Software Tools
task-specific. Used to diagnose problems, maintain hardware, and protect the data stored on a computer. Used for disk management, formatting, error checking, drive optimization, disk cleanup and more. CCleaner, Belarc Advisor
17. Why should an antistatic wrist strap be worn when working on electronic equipment?
to equalize the electrical charge between a person and the equipment*
9. 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*
Cleaning computer components
using glass cleaner on a soft cloth to clean outside of mouse
9. When troubleshooting connectivity problems
what tool is used to verify which cable is plugged into the correct port in a patch panel? [2.2.1] ,Tone Generator & Probe
Which circumstance increases the likelihood of ESD damage to a computer?
working in low levels of humidity*
which tool be used to scan windows critical system files and replace any corrupted files
SFC
Miscellaneous Tools
Additional secondary items can be added to the toolkit. Masking tape, a working computer and even pencil eraser can be very useful additions to a technician's kit.
List major sources of EMI [2.1.2]
Any source designed to generate electromagnetic energy Man-made sources like power lines or motors Natural events such as electrical storms, or solar and interstellar radiations
What precaution should be taken when working inside computer systems? [2.2.4]
Avoid using magnetized tools
18. Which precaution should be taken when working inside computer systems?
Avoid using magnetized tools.*
A new technician has joined the IT team and is about to service a heavy printer. What advice would you give this technician to avoid any injury when transporting the heavy printer to the service area?
Bend your knees to use the strength in your legs to lift the printer.*
20. If a tech suspects that a power supply unit (PSU) is faulty; how can this be checked? [2.2.4]
Checked by using a multimeter/power supply tester
Equipment Disposal
Computer equipment contains hazardous materials and should be properly disposed. Follow regulations to protect the environment and avoid fines. Batteries, monitors, toner kits, cartridges, developers, chemical solvents and aerosol cans are examples of equipment that must be properly disposed.
Electrical Safety
Computer power supplies are dangerous when disassembled. Watch for printer areas that are hot or that use high voltage. Check the voltage output of AC adapters and chargers before connecting them to devices.
Which tool in Windows OS gives a technician access to initialize disks and create partitions?
Disk Management*
EMI
EMI distorts the signals, degrading computer communication. EMI can be generated by large motors, power lines, electrical storms, or any other source of electromagnetic energy. Wireless networks are affected by RFI. RFI is caused by radio transmitters transmitting in the same frequency.
3. What circumstances are likely to increase ESD damage to equipment? [2.1.2]
ESD can cause damage to computer equipment if not discharged properly.
ESD
ESD can cause damage to computer equipment if not discharged properly. ESD can build up on you as you walk on a carpeted floor.
----------- and ------------- levels also affect computers
Environmental temperature; humidity
8. What makes disposal of old CRT monitor dangerous? [2.1.3]
Extremely high voltage can be stored in CRT monitors, even after being disconnected from a power source.
Fine thread" or flathead screws
Fine thread" or flathead screws
How should a technician dispose of an empty inkjet printer cartridge?
Follow local regulations for disposal.*
2. Review just how an inline UPS protects equipment from brownouts & blackout? [2.1.2]
Helps protect against potential electrical power problems by supplying a consistent level of electrical power to a computer or other device.
Personal Reference Tools
Include troubleshooting guides, manufacturer manuals, quick reference guides, and repair journals. History of repairs and a notepad can be extremely useful as a technician performs troubleshooting and repairs. The Internet can be a great reference tool by providing access to specialized forums, search engines, manufacturer's FAQs, and more.
19. Why should a pencil never be used as a tool when working inside a computer? [2.2.4] .
It is conductive
15. 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.*
15. Which tool could possibly cause data loss on a hard disk? [2.2.4]
Magnetic tools like screw drivers
General Safety
Make sure a first-aid kit is available. Unsecured cables create tripping hazards. Food and drinks should not be in the workspace. Remove jewelry.
Protection Software Tools
Malicious software can damage or compromise operating systems, applications, and data. Software protection tools include antivirus, antispyware, firewalls and update manager software.
which tool would be used to create a partition on a hard drive
Multimeter
7. How should a tech dispose of an empty inkjet printer cartridge? [2.1.3]
Must be disposed of properly in compliance with environmental regulations. It also can be recycled.
Fire extinguisher
Notify the department evaluate coverage of fire pull the pin aim at the base squeeze the trigger sweep side to side
Which software tool should be used if a user needs to optimize space on a hard disk? [2.2.2]
Optimize Drives
14. Which tool should be used if a user needs to optimize space on a hard drive?
Optimize Drives*
21. List in correct order the steps of fire extinguisher operation. [2.1.1]
P - Pull the pin A- Aim at that base of the fire, not the flames S- Squeeze the lever S- Sweep the nozzle from side to side
20. Why should a pencil never be used as a tool when working inside a computer?
Pencil lead is conductive.*
Power Fluctuation Types
Power fluctuations may impact the operation of computer components. Blackouts, brownouts, noise, spike and power surge are types of power fluctuations that can cause data loss or hardware failure.
Power Protection Devices
Surge suppressors, UPSs, SPSs are devices designed to protect computer systems from power fluctuations. Laser printers should not be plugged to UPSs
Which Windows OS tool scans critical files of the operating system & replaces any files that have been corrupted? [2.2.2]
System File Checker (SFC)
13. Which Windows OS tool scans the critical files of the operating system and replaces any files that have been corrupted?
System File Checker*
Why is documentation of all services & repairs an important organizational tool for a tech? [2.2.3]
The documentation can then be used as reference material for similar problems.
network port attaches to a specific office jack
Tone Probe
Fire Safety
Turn off the power and unplug equipment before performing service. Different types of fires require different types of fire extinguishers; make sure to use to correct one. Be alert for odors emitting from computers and electronic devices.
which device protect computer equipment from brownouts by providing consistent quality of electrical power
UPS
A technician is unpacking a new PCIe video adapter from an antistatic bag to install the card in a desktop computer. Which two measures should the technician use to protect the card and other computer components? (Choose two.)
Use a grounded mat on the workbench.* Use a correctly connected antistatic wrist strap.
. What measures should a tech use to protect adapter cards once they are removed for protective plastic bags? [2.1.2]
Use a grounded mat, Use a correctly connected antistatic wrist strap
Which cleaning solution is recommended to clear the electrical contacts of computer components? [2.2.4]
Use a lint-free cloth that is slightly moistened with isopropyl alcohol to clean the contacts on components.
Safety Data Sheet
Use an SDS (formally MSDS) to obtain information about a material, including procedures for proper disposal. The SDS contains information on the material's composition, how it can affect personal health, fire hazards, and first-aid requirements. It also includes protective measures for the safe handling and storage of materials and spill, leak, and disposal procedures.
Why should you wear an antistatic wrist strap when working on electrical equipment? [2.2.4]
When static electricity builds up in your body, the connection made by the wrist strap to the equipment, or ground, channels the electricity through the wire that connects the strap, keeping the charge between you and the equipment equal.
16. Which tool could potentially cause data loss on hard disk or floppy drives?
a magnetic screwdriver*
Standoffs or spacers -
attach to base of case to provide gap between case & system board. Hand tighten only
4. Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
brownout*
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*
21. A technician suspects that a power supply is faulty. How can it be checked?
by using a multimeter*
what would make it easier for a technician to trouble shoot a problem that has been previously solved by another technician
centralized closed trouble tickets
which tool would be used to create a partition on a hard drive
disk defragment
what are three guidelines should be followed to provide safe conditions when computer equipment being repaired
do not open power supply; turn off the power to the printer and computer before beginning ; bend you knees when lifting heavy objects
proper use of compressed air to clean a pc
do not spray the compressed air with can upside down
What are two significant sources of EMI? (Choose two.)
electrical storms* power lines*
safety hazard occured if a partially filled aerosol can is exposed to excessive heat
explosion
11. What tool would a technician use to remove a slotted screw?
flat head screwdriver*
Hex screws
general purpose fitting to secure hard disk, cd/dvd, expansion cards, etc. to case. Use hex wrench or Phillips head screwdriver
what two safety hazards when dealing with laser printers
high voltage ; hot components
19. Which cleaning solution is recommended to clean the contacts of computer components?
isopropyl alcohol*
which two devices commonly affect wireless networks
microwaves; cordless phones
10. Which tool is designed to loosen or tighten crosshead screws?
phillips screwdriver*
8. What makes CRT monitor disposal dangerous for a technician who is handling the disposal?
potential residual high voltage*
