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cisco it essentials 5.0 chapter 3 review

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Chapter 3 Review

Pregunta 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?

Selecciona una de las siguientes respuestas posibles:

  • Reseat the RAM

  • Replace the motherboard.

  • Upgrade the BIOS firmware

  • Replace the CMOS battery

Explicación

Pregunta 2 de 21

1

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

Selecciona una de las siguientes respuestas posibles:

  • PS/2

  • AT

  • Berg

  • Molex

Explicación

Pregunta 3 de 21

1

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

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 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?

Selecciona una de las siguientes respuestas posibles:

  • After the POST, but before Windows starts to load

  • During the Windows load process

  • Before the computer is powered on

  • During the POST

Explicación

Pregunta 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?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 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?

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 7 de 21

1

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

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 8 de 21

1

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

Selecciona una de las siguientes respuestas posibles:

  • 2

  • 1

  • 3

  • 4

Explicación

Pregunta 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.)

Selecciona una o más de las siguientes respuestas posibles:

  • sound card

  • video card

  • CPU

  • NIC

  • memory

Explicación

Pregunta 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?

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 11 de 21

1

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

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 12 de 21

1

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

Selecciona una de las siguientes respuestas posibles:

  • ZIF sockets

  • an I/O shield

  • thermal compound

  • standoffs

Explicación

Pregunta 13 de 21

1

What is an advantage of using signed drivers?

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 14 de 21

1

Where is the saved BIOS configuration data stored?

Selecciona una de las siguientes respuestas posibles:

  • hard drive

  • cache

  • CMOS

  • RAM

Explicación

Pregunta 15 de 21

1

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

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 16 de 21

1

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

Selecciona una o más de las siguientes respuestas posibles:

  • swap file size

  • boot order

  • enabling and disabling devices

  • device drivers

  • drive partition size

Explicación

Pregunta 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?

Selecciona una de las siguientes respuestas posibles:

  • parallel

  • USB

  • FireWire

  • eSATA

Explicación

Pregunta 18 de 21

1

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

Selecciona una o más de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 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?

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 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?

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 21 de 21

1

What is a function of the BIOS?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

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