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cisco it essentials 5.0 chapter 3 review

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Chapter 3 Review

Chapter 3 Review

Questão 1 de 21

1

A technician is troubleshooting a PC that will not boot. When the PC is powered on, it emits a series of beeps and indicates that the BIOS settings have changed and need to be reconfigured. The technician reconfigures the BIOS settings, saves them, and the computer boots. Later when the PC is powered off and back on again, the same error message appears, and all the BIOS changes are gone. What should the technician do to fix the problem?

Selecione uma das seguintes:

  • Reseat the RAM

  • Replace the motherboard.

  • Upgrade the BIOS firmware

  • Replace the CMOS battery

Explicação

Questão 2 de 21

1

What type of connector would be used to supply power to a PATA optical drive?

Selecione uma das seguintes:

  • PS/2

  • AT

  • Berg

  • Molex

Explicação

Questão 3 de 21

1

What is the best way to apply thermal compound when reseating a CPU?

Selecione uma das seguintes:

  • Put a thick layer of thermal compound over the existing thermal compound before reseating the CPU.

  • Clean the CPU and the base of the heat sink with isopropyl alcohol before applying the thermal compound.

  • Scrape off the old thermal compound on the heat sink with a sharp knife and apply the thermal compound liberally/

  • Change the base of the heat sink before applying the thermal compound.

  • Use rubbing alcohol to clean the base of the heat sink before applying thermal compound.

Explicação

Questão 4 de 21

1

A technician has assembled a new computer and must now configure the BIOS. At which point must a key be pressed to start the BIOS setup program?

Selecione uma das seguintes:

  • After the POST, but before Windows starts to load

  • During the Windows load process

  • Before the computer is powered on

  • During the POST

Explicação

Questão 5 de 21

1

A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a video subsystem problem. How does the POST indicate the error?

Selecione uma das seguintes:

  • by issuing a number of beeps

  • by flashing the LED on the front of the computer case a number of times

  • by locking the keyboard

  • by placing an error message in the BIOS

Explicação

Questão 6 de 21

1

You are monitoring a new technician who is installing a device driver on a Windows-based PC. The technician asks why the company requires the use of signed drivers. What would be the best response to give?

Selecione uma das seguintes:

  • A signed driver has been approved by the company that created the device driver.

  • A signed driver has passed the lab test of Microsoft for quality and helps prevent a system from being compromised.

  • An unsigned driver can cause files to be fragmented as they are processed.

  • Signed drivers prevent physical damage to devices.

Explicação

Questão 7 de 21

1

What is an important step when installing a second PATA hard drive in a computer?

Selecione uma das seguintes:

  • Set the drive ID number with the correct jumper.

  • Ensure that pin one of the PATA data cable is correctly aligned with the connector.

  • Configure the BIOS settings to auto-detect the master drive.

  • Set the swap file size on the new drive.

  • All companies making devices for a Windows computer have to have Microsoft sign off on the new driver before it can be added to the operating system.

Explicação

Questão 8 de 21

1

What number of disks is the required minimum to implement RAID 0?

Selecione uma das seguintes:

  • 2

  • 1

  • 3

  • 4

Explicação

Questão 9 de 21

1

A technician is assembling a new computer. Which two components are often easier to install before mounting the motherboard in the case? (Choose two.)

Selecione uma ou mais das seguintes:

  • sound card

  • video card

  • CPU

  • NIC

  • memory

Explicação

Questão 10 de 21

1

A technician is troubleshooting a computer that has a malfunctioning floppy drive. The technician observes that the floppy drive light remains lit constantly. What should the technician do to repair the problem?

Selecione uma das seguintes:

  • Connect the data cable making sure that the colored stripe on the cable is aligned with pin 1 on the drive and the motherboard.

  • Remove the floppy drive via Add/Remove Hardware

  • Change the jumper setting to master for the floppy drive.

  • Replace the floppy drive.

Explicação

Questão 11 de 21

1

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

Selecione uma das seguintes:

  • 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.

  • A notch in the memory module should be aligned with a notch in the memory slot.

  • Memory slots are color coded, with one end red and one end blue

Explicação

Questão 12 de 21

1

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

Selecione uma das seguintes:

  • ZIF sockets

  • an I/O shield

  • thermal compound

  • standoffs

Explicação

Questão 13 de 21

1

What is an advantage of using signed drivers?

Selecione uma das seguintes:

  • They never need upgrading.

  • They are verified to be compatible with the operating system.

  • They are guaranteed by the manufacturer to work with any hardware.

  • They are guaranteed to work with all operating systems.

  • They are free of errors.

Explicação

Questão 14 de 21

1

Where is the saved BIOS configuration data stored?

Selecione uma das seguintes:

  • hard drive

  • cache

  • CMOS

  • RAM

Explicação

Questão 15 de 21

1

Which statement describes the purpose of an I/O connector plate?

Selecione uma das seguintes:

  • 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.

Explicação

Questão 16 de 21

1

What are two examples of settings that can be changed in the CMOS settings? (Choose two.)

Selecione uma ou mais das seguintes:

  • swap file size

  • boot order

  • enabling and disabling devices

  • device drivers

  • drive partition size

Explicação

Questão 17 de 21

1

A technician discovers that the PS/2 mouse port is not working. The technician has several replacement mouse models available. What input port will the technician use to install the replacement mouse?

Selecione uma das seguintes:

  • parallel

  • USB

  • FireWire

  • eSATA

Explicação

Questão 18 de 21

1

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

Selecione uma ou mais das seguintes:

  • The CPU heat sink and fan assembly are correctly installed.

  • The CPU is correctly aligned and placed in the socket.

  • The CMOS EPROM battery is removed prior to installing the CPU.

  • Antistatic precautions are taken.

  • The CPU contacts are first cleaned with isopropyl alcohol.

  • Maximum insertion force is applied to the load lever so the CPU is locked in place.

Explicação

Questão 19 de 21

1

A technician has been asked to install a second optical drive in a computer. The technician will need to configure the drive as slave. How can the technician accomplish this desired configuration?

Selecione uma das seguintes:

  • Use jumpers on the drive to configure the drive as slave.

  • Use jumpers on the motherboard to configure the drive as slave.

  • List the drive as slave in the CMOS.

  • Connect the drive after the twist in the PATA cable.

Explicação

Questão 20 de 21

1

A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?

Selecione uma das seguintes:

  • It issues a number of short beeps.

  • The LED on the front of the computer case flashes a number of times.

  • It places an error message in the BIOS.

  • It locks the keyboard.

Explicação

Questão 21 de 21

1

What is a function of the BIOS?

Selecione uma das seguintes:

  • enables a computer to connect to a network

  • provides temporary data storage for the CPU

  • performs a check on all internal components

  • provides graphic capabilities for games and applications

Explicação

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