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*