IT Essentials (Version 8.0) Chapter 2 Exam Answers ITE v8.0

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IT Essentials ( Version 8.0) – IT Essentials 8.0 Chapter 2 exam answers

1. A technician is replacing a power supply. Which two factors should the technician consider when obtaining the replacement part? (Choose two.)

  • input voltage level of 12 or 5 VDC
  • wattage
  • type of case
  • number of internal fans
  • output voltage

Explanation: A technician should consider the following when choosing a power supply:
Type of motherboard
Wattage
Number and type of connectors
Type of case
The computer input power level is either 120 or 240 VAC. Output voltages are standard 3.3, 5, and 12 VDC. A power supply normally has one fan and this is not a selectable option on a fan.

2. When a new PC is being built, which component has the most influence when selecting the case and power supply?

  • hard disk type
  • motherboard
  • RAM module
  • sound card
  • video card

Explanation: The choice of motherboard determines the type of case and power supply. The form factor of a motherboard must match the type of case and power supply. RAM modules, video cards, and sound cards are installed on the motherboard. They must be compatible with the motherboard. A hard disk is attached to the case, but the dimensions of the drive bays are standardized.

3. Refer to the exhibit. Which device is shown?
IT Essentials (Version 8.0) Chapter 2 Exam Answers ITE v8.0 1

  • SATA drive
  • KVM switch
  • media reader
  • optical drive

Explanation: A media reader can be an external USB-attached device or an internal device used to read or write to media cards.

4. What is a good safety precaution to take when opening a computer case?

  • Place tape over the case edges that are sharp.
  • Remove the connections to the front panel before extending the case fully open.
  • Remove the cover (or door) of the computer case before installing or removing parts.
  • Ensure that any loose clothing such as a tie or shirt stay in constant contact with the case when handling internal components.

Explanation: Computer cases can easily be a hazard to technicians. Before working inside a computer, examine the case edges and put tape over any of the sharp edges to prevent physical harm. A case is opened, but seldom removed when installing or removing parts. Loose clothing should be secured before you work inside a computer.

5. 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?

  • DIMM
  • DIP
  • SIMM
  • SODIMM

Explanation: Motherboards in tower computers accept dual inline memory modules (DIMMs) in the memory expansion slots. A motherboard supports a particular type of DIMM such as a DDR3 or DDR4 module.

6. How is a power supply commonly attached to a tower case?

  • standoffs
  • screws
  • restraining strap
  • retention bar

Explanation: To install a power supply into a PC tower case, open the case, align the power supply with the case holes, and use screws to attach the power supply to the case.

7. Which two factors must be considered when replacing old RAM modules in a PC? (Choose two.)

  • 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 be compatible with BIOS or UEFI.
  • The new RAM must match the old RAM in terms of capacity and speed.
  • The new RAM must be compatible with the motherboard.

Explanation: When the RAM on a motherboard is being replaced or upgraded, the new RAM module must be compatible with the current motherboard. In addition, the speed of the new RAM must be supported by the chipset.

8. Which type of motherboard expansion slot sends data one bit at a time over a serial bus?

  • PCIe
  • PCI
  • RAM
  • PATA

Explanation: A PCIe expansion slot connects to a serial bus that sends data one bit at a time at a much faster rate than the older PCI slot that connects to a parallel bus.

9. Which type of drive is typically installed in a 5.25 inch (13.34 cm) bay?

  • hard drive
  • SSD
  • optical drive
  • flash drive

Explanation: Optical drives are installed in 5.25 inch (13.34 cm) drive bays that are accessed from the front of the case. Flash drives typically connect to USB ports. SSDs and hard drives typically install in a 3.5 inch (8.9 cm) drive bay or a 5.25 inch (13.34 cm) drive bay that is not accessed from the front of the case. If the drive is smaller than the bay, a tray may be purchased.

10. 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.)

  • 5.5 inch (13.97 cm)
  • 2.25 inch (5.72 cm)
  • 2.5 inch (6.35 cm)
  • 3.5 inch (8.89 cm)
  • 6.25 inch (15.88 cm)

Explanation: For tower computers, internal HDDs are available in the 3.5 and 2.5 inch (8.89 cm and 6.35 cm) form factors. SSDs tend to be the 2.5 inch form factor.

11. Refer to the exhibit. Which type of expansion slot is shown?
IT Essentials (Version 8.0) Chapter 2 Exam Answers ITE v8.0 2

  • PCIe x16
  • AGP
  • PCI
  • memory

Explanation: The four expansion slots shown in the exhibit from left to right are the PCIe x1, PCI, PCIe x16, and PCIx1.

12. What does the “A” in P-A-S-S remind a person to do while using a fire extinguisher?

  • Adjust the pressure.
  • Aim the fire extinguisher at the flames.
  • Aim the fire extinguisher at the base of the fire.
  • Activate the fire extinguisher.

Explanation: When using the P-A-S-S memory aid with a fire extinguisher, the “A” in P-A-S-S is for aiming at the base of the fire and not at the flames.

13. 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 provides multiple connections for SATA hard drives to connect to the motherboard.
  • It plugs into the motherboard and expands the number of available slots for adapter cards.
  • It connects the PCIe adapter slots used for video directly to the CPU for faster processing.

Explanation: The I/O plate connects to the back of the case and has holes for each of the ports on the motherboard to push through, allowing the motherboard to be used in many different cases regardless of the number of ports on the board or their layout.

14. Which type of motherboard expansion slot has four types ranging from x1 to x16 with each type having a different length of expansion slot?

  • AGP
  • PCI
  • SATA
  • PCIe

Explanation: The PCIe, or PCI Express, bus has four types of expansion slots with varying lengths: x1, x4, x8, and x16.

15. 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?

  • 24-pin ATX power connector
  • PCI expansion slot
  • Two 8-pin power connectors
  • PCIe x 8 expansion slot

Explanation: When a high performance video adapter card is used, multiple power connectors may be required. These connectors may each use a 6-pin or 8-pin power connector. Video adapter cards commonly use the PCIe X 16 slot. A 24-pin ATX power connector is used to provide power to the motherboard.

16. What is used to prevent the motherboard from touching metal portions of the computer case?

  • an I/O shield
  • standoffs
  • thermal compound
  • ZIF sockets

Explanation: Screws and standoffs that are non-metallic may be insulators and protect against grounding.

17. Where is buffered memory commonly used?

  • servers
  • gaming computers
  • gaming laptops
  • business PCs
  • tablets

Explanation: Buffered memory is used in computers that have a lot of RAM such as servers and high-end workstations. Buffered memory should be avoided in gaming, business, and home computers because it slows the memory speed.

18. Refer to the exhibit. In which section of the motherboard would a memory module be installed?
IT Essentials (Version 8.0) Chapter 2 Exam Answers ITE v8.0 3

  • section D
  • section C
  • section B
  • section A

Explanation: Memory modules insert into memory expansion slots that have a retaining clip at each end of the slot.

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
  • IDE
  • SATA
  • EIDE

Explanation: Mechanical hard drives today use SATA. Legacy PATA drives used IDE and EIDE. RAID 5 is a drive redundancy technology.

20. Which PC motherboard bus is used to connect the CPU to RAM and other motherboard components?

  • PCI
  • SATA
  • front-side
  • PCIe

Explanation: The front-side bus (FSB) is used to connect the CPU to RAM, expansion cards, and other motherboard components. The speed of this bus is relevant when selecting replacement motherboards and RAM.

21. 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.)

  • ISA
  • PGA
  • PCIe
  • LGA
  • GDDR

Explanation: Two architectures used with CPUs today are the pin grid array (PGA) and the land grid array (LGA). The PGA has pins on the bottom of the processor. The LGA has pins within the socket.

22. What are three important considerations when installing a CPU on a motherboard? (Choose three.)

  • Maximum insertion force is applied to the load lever so the CPU is locked in place.
  • The CPU is correctly aligned and placed in the socket.
  • The CPU contacts are first cleaned with isopropyl alcohol.
  • The CMOS EPROM battery is removed prior to installing the CPU.
  • Antistatic precautions are taken.
  • The CPU heat sink and fan assembly are correctly installed.

Explanation: The CPU is sensitive to static discharges. Its pins are very delicate and it works at high temperatures, so precautions must be taken. If the CPU has been used in another machine or if the fan is being replaced, you might need to remove the old thermal compound using isopropyl alcohol (not on the CPU contacts). The battery does not need to be removed from the motherboard during the CPU installation. This would cause the saved BIOS settings to be lost. Minimum force should be needed to lock the CPU load lever into place.

23. 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?

  • motherboard that supports dual-channeling
  • smart card reader
  • KVM switch
  • Thunderbolt connector

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 plus sign
  • by a P1
  • by a red cable
  • by a small arrow or notch

Explanation: Each cable that connects to the front panel connector on the motherboard is marked with a small arrow to identify which pin is pin 1 so that it can be aligned with pin 1 on the panel.

25. A technician is installing additional memory in a computer. How can the technician guarantee that the memory is correctly aligned?

  • A notch in the memory module should be aligned with a notch in the memory slot.
  • The label on the memory module should always face the CPU.
  • 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.

26. Which three components are usually installed on a PC motherboard before the motherboard is installed in the computer case? (Choose three.)

  • CPU
  • CPU heatsink and fan
  • RAM
  • internal hard drives
  • power supply
  • optical drive
  • adapter cards

Explanation: The CPU, CPU heatsink and fan, and RAM are usually installed on the motherboard before the motherboard is installed in the computer case. The power supply, optical drive, and internal hard drives are installed directly in the PC case. The adapter cards are installed onto the motherboard after it has been mounted in the case.

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Lorem ipsum
Lorem ipsum
1 year ago

Which three components are usually installed on a PC motherboard before the motherboard is installed in the computer case? (Choose three.)

  • CPU
  • CPU heatsink and fan
  • RAM
  • internal hard drives
  • power supply
  • optical drive
  • adapter cards
Nick/Her
Nick/Her
7 months ago
Reply to  Lorem ipsum

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