1. What is a good safety precaution to take when opening a computer case?
- Place tape over the case edges that are sharp.*
- Remove the cover (or door) of the computer case before installing or removing parts.
- Remove the connections to the front panel before extending the case fully open.
- Ensure that any loose clothing such as a tie or shirt stay in constant contact with the case when handling internal components.
2. What does the “A” in P-A-S-S remind a person to do while using a fire extinguisher?
- Aim the fire extinguisher at the flames.
- Aim the fire extinguisher at the base of the fire.*
- Activate the fire extinguisher.
- Adjust the pressure.
3. How is a power supply commonly attached to a tower case?
- restraining strap
- retention bar
4. A technician is replacing a power supply. Which two factors should the technician consider when obtaining the replacement part? (Choose two.)
- type of case*
- input voltage level of 12 or 5 VDC
- number of internal fans
- output voltage
5. A technician is installing additional memory in a computer. How can the technician guarantee that the memory is correctly aligned?
- The label on the memory module should always face the CPU.
- A notch in the memory module should be aligned with a notch in the memory slot.*
- The arrows on the memory module should be aligned with the arrows on the motherboard slot.
- Memory slots are color coded, with one end red and one end blue.
6. What is used to prevent the motherboard from touching metal portions of the computer case?
- an I/O shield
- thermal compound
- ZIF sockets
7. Which statement describes the purpose of an I/O connector plate?
- It makes the I/O ports of the motherboard available for connection in a variety of computer cases.*
- It plugs into the motherboard and expands the number of available slots for adapter cards.
- It provides multiple connections for SATA hard drives to connect to the motherboard.
- It connects the PCIe adapter slots used for video directly to the CPU for faster processing.
8. What are three important considerations when installing a CPU on a motherboard? (Choose three.)
- Antistatic precautions are taken.*
- The CPU is correctly aligned and placed in the socket.*
- The CPU contacts are first cleaned with isopropyl alcohol.
- The CPU heat sink and fan assembly are correctly installed.*
- The CMOS EPROM battery is removed prior to installing the CPU.
- Maximum insertion force is applied to the load lever so the CPU is locked in place.
9. When a new PC is being built, which component has the most influence when selecting the case and power supply?
- video card
- sound card
- RAM module
- hard disk type
10. Which two factors must be considered when replacing old RAM modules in a PC? (Choose two.)
- The new RAM must be compatible with BIOS or UEFI.
- The new RAM must be compatible with the motherboard. *
- The speed of the new RAM must be supported by the chipset.*
- The power supply must provide the voltage that is requred by the new RAM.
- The new RAM must match the old RAM in terms of capacity and speed.
11. Refer to the exhibit. In which section of the motherboard would a memory module be installed?
- section A
- section B
- section C*
- section D
12. Which type of motherboard expansion slot sends data one bit at a time over a serial bus?
13. Which PC motherboard bus is used to connect the CPU to RAM and other motherboard components?
14. Where is buffered memory commonly used?
- gaming laptops
- gaming computers
- business PCs
15. A technician has been asked to upgrade a processor and needs to do some research. The computer is just a couple of years old. What are two types of processor packages that could be used inside the computer? (Choose two.)
16. A student is looking to add memory in order to speed up a tower computer. Which type of memory module should the student be looking for?
17. Which type of drive is typically installed in a 5.25 inch (13.34 cm) bay?
- hard drive
- optical drive*
- flash drive
18. A technician has been asked to order a replacement internal SATA HDD. Between which two form factors will the technician have to choose? (Choose two.)
- 2.25 inch (5.72 cm)
- 2.5 inch (6.35 cm) *
- 3.5 inch (8.89 cm)*
- 5.5 inch (13.97 cm)
- 6.25 inch (15.88 cm)
19. While shopping for a replacement motherboard, a customer decides to also purchase a new mechanical hard drive and asks the technical salesperson for advice. Which storage interface should the salesperson recommend for the motherboard and new drive?
- RAID 5
20. Which type of motherboard expansion slot has four types ranging from x1 to x16 with each type having a different length of expansion slot?
21. A technician is installing a new high-end video adapter card into an expansion slot on a motherboard. What may be needed to operate this video adapter card?
- PCI expansion slot
- PCIe x 8 expansion slot
- Two 8-pin power connectors*
- 24-pin ATX power connector
22. Refer to the exhibit. Which type of expansion slot is shown?
- PCIe x16*
23. Refer to the exhibit. Which device is shown?
- KVM switch
- media reader*
- optical drive
- SATA drive
24. When assembling a PC, how is pin 1 identified on the front panel cables so that it can be aligned properly with pin 1 on the motherboard panel connector?
- by a small arrow or notch*
- by a plus sign
- by a P1
- by a red cable
25. A technician is selecting a PC that will be used by an employee who wants to share a keyboard and mouse among three devices. What is a major consideration that needs to be taken into account?
- KVM switch*
IT Essentials v6.0:
25. 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.*
- Avoid bending your knees when lifting the printer.
- Bend your back to pick the printer up.
- Use your arms and back to lift the printer.
26. How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?
- by grounding excess electrical voltage
- by using a battery to supply a constant level of voltage*
- by switching from main power to a standby power source
- by stopping the flow of voltage to the computer
27. Which circumstance increases the likelihood of ESD damage to a computer?
- working in low levels of humidity*
- using a magnetic screwdriver while working on a hard drive
- plugging a printer into an UPS
- self grounding against the computer case
28. Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
29. What are two significant sources of EMI? (Choose two.)
- infrared mice
- RAM modules
- electrical storms*
- LCD monitors
- power lines*
30. 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.*
- Shield the card and computer from sources of EMI.
- Ensure that the workplace has a low humidity environment.
- Connect the computer to a UPS while installing the card.
31. How should a technician dispose of an empty inkjet printer cartridge?
- Refill it.
- Throw it away.
- Follow local regulations for disposal.*
- Give it back to the customer.
32. What makes CRT monitor disposal dangerous for a technician who is handling the disposal?
- potential breathing hazards
- potential explosive materials
- potential residual high voltage*
- potential health-damaging chemicals
33. 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*
- punch down
34. Which tool is designed to loosen or tighten crosshead screws?
- phillips screwdriver*
- hex driver
- flat head screwdriver
- torx driver
35. What tool would a technician use to remove a slotted screw?
- flat head screwdriver*
- hex driver
- needle-nosed pliers
- Phillips head screwdriver
- Torx screwdriver
36. Which tool in Windows OS gives a technician access to initialize disks and create partitions?
- Optimize Drives
- Disk Cleanup
- Disk Management*
37. Which Windows OS tool scans the critical files of the operating system and replaces any files that have been corrupted?
- Disk Cleanup
- Disk Management
- Scan System
- System File Checker*
38. Which tool should be used if a user needs to optimize space on a hard drive?
- Optimize Drives*
- Disk Management
39. Why is documentation of all services and repairs an important organizational tool for a technician?
- It increases the cost of services and repairs.
- It allows the public sharing of information on the Internet.
- It reduces the technical skills required of new technicians.
- It provides reference material for similar problems when they are encountered in the future.*
40. Which tool could potentially cause data loss on hard disk or floppy drives?
- a magnetic screwdriver*
- compressed air
- a lead pencil
- a computer vacuum cleaner
41. Why should an antistatic wrist strap be worn when working on electronic equipment?
- to prevent interference from clothing and loose jewelry
- to equalize the electrical charge between a person and the equipment*
- to prevent clothing made of silk, polyester, or wool from generating a static charge
- to draw static electricity away from a component and transfer it safely from equipment to a grounding point
42. Which precaution should be taken when working inside computer systems?
- Avoid using magnetized tools.*
- Leave the power cord attached to an outlet for grounding.
- Wear ESD protection to repair monitors in humid environments.
- Avoid using ESD wrist straps and ESD mats simultaneously.
43. Which cleaning solution is recommended to clean the contacts of computer components?
- rubbing alcohol
- isopropyl alcohol*
- glass cleaner with ammonia
- water that is mixed with a small amount of dishwashing liquid
44. Why should a pencil never be used as a tool when working inside a computer?
- Pencil lead is corrosive.
- Pencil lead is conductive.*
- A pencil can hold a static charge.
- The lead in a pencil can induce current.
45. A technician suspects that a power supply is faulty. How can it be checked?
- by checking the temperature of the power supply
- by using a multimeter*
- by taking apart the power supply
- by powering up the PC after disconnecting each connector in turn
46. Match the steps of fire extinguisher operation to the order in which they should be completed. (Not all options are used.)