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Chapter 4 Review

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Cisco Chapter 4 Review

Frage 1 von 22

1

Which task should be part of a software maintenance routine?

Wähle eine der folgenden:

  • Check for and secure any loose cables.

  • Remove dust from the power supply.

  • Defragment the hard drive.

  • Back up the data, reformat the hard drive, and reinstall the data.

Erklärung

Frage 2 von 22

1

What is the purpose of documenting the information that is obtained from the customer in the work order?

Wähle eine der folgenden:

  • to create a centralized database of possible problems

  • to use the information for marketing purposes

  • to keep track of parts that are ordered

  • to use the information to aid in solving the problem

Erklärung

Frage 3 von 22

1

What is a recommended procedure to follow when cleaning computer components?

Wähle eine der folgenden:

  • Blow compressed air on cooling fans so that they will spin when dust is being removed.

  • Hold cans of compressed air upright while spraying.

  • Use window cleaner on LCD screens.

  • Remove the CPU before cleaning.

Erklärung

Frage 4 von 22

1

After a technician tests a theory of probable causes, what two actions should the technician take if the testing did not identify an exact cause? (Choose two.)

Wähle eine oder mehr der folgenden:

  • Establish a new theory of probable causes.

  • Document each test tried that did not correct the problem.

  • Test all remaining possible causes starting with the most complex.

  • Use a top down approach to isolate the cause of the problem.

  • Randomly replace components one at a time until the problem is solved.

Erklärung

Frage 5 von 22

1

Which device is most likely to be affected by an incorrect setting saved in CMOS or an incorrect jumper setting?

Wähle eine der folgenden:

  • hard drive

  • printer

  • power supply

  • monitor

Erklärung

Frage 6 von 22

1

A technician is performing hardware maintenance of PCs at a construction site. What task should the technician perform as part of a preventive maintenance plan?

Wähle eine der folgenden:

  • Develop and install forensic tracking software.

  • Perform an audit of all software that is installed.

  • Remove dust from intake fans.

  • Back up the data, reformat the hard drive, and reinstall the data.

Erklärung

Frage 7 von 22

1

A user has opened a ticket that indicates that the computer clock keeps losing the correct time. What is the most likely cause of the problem?

Wähle eine der folgenden:

  • The CPU needs to be overclocked.

  • The operating system needs to be patched.

  • The CMOS battery is loose or failing.

  • The motherboard clocking crystal is damaged.

Erklärung

Frage 8 von 22

1

Which two common computer problems could cause a motherboard to short-circuit? (Choose two.)

Wähle eine oder mehr der folgenden:

  • a dusty CPU fan

  • a loose PATA cable

  • loose case screws

  • bent drive cable pins

  • unseated adapter cards

Erklärung

Frage 9 von 22

1

An employee reports that each time a workstation is started it locks up after about 5 minutes of use. What is the most likely cause of the problem?

Wähle eine der folgenden:

  • The hard disk is failing.

  • The RAM is malfunctioning.

  • The CPU experiences overheating.

  • The power supply fails to provide adequate voltage and current.

Erklärung

Frage 10 von 22

1

An employee reports that the antivirus software cannot obtain updates. The support technician notices that the license for the software has expired. The technician adds a new license to the software and completes the update service. What should the technician do next?

Wähle eine der folgenden:

  • Record the new license number in the log.

  • Download advanced antivirus software from another vendor.

  • Run a full virus scan on the computer.

  • Review the Event Viewer for the date and time that the last software update was performed.

Erklärung

Frage 11 von 22

1

Which two items could be used to help establish a plan of action when resolving a computer problem? (Choose two.)

Wähle eine oder mehr der folgenden:

  • BIOS diagnostics

  • a multimeter

  • the computer repair history log

  • a loopback plug

  • the computer manual

Erklärung

Frage 12 von 22

1

After a new PCIe video card is added, the computer seems to boot successfully but it will not display any video. The computer was working properly before the new video card was installed. What is the most likely cause of the problem?

Wähle eine der folgenden:

  • The monitor cable is faulty.

  • The saved CMOS settings are set to use the built-in video adapter.

  • The PC does not have enough RAM to support the new video card.

  • The new video card is not compatible with the CPU in the PC.

Erklärung

Frage 13 von 22

1

A scientific expedition team is using laptops for their work. The temperatures where the scientists are working range from -13 degrees Fahrenheit (-25 degree Celsius) to 80 degrees Fahrenheit (27 degrees Celsius). The humidity level is around 40 percent. Noise levels are low, but the terrain is rough and winds can reach 45 miles per hour (72 kilometers per hour). When needed, the scientists stop walking and enter the data using the laptop. Which condition is most likely to adversely affect a laptop that is used in this environment?

Wähle eine der folgenden:

  • the wind

  • the rough terrain

  • the humidity

  • the temperature

Erklärung

Frage 14 von 22

1

What is part of creating a preventive maintenance plan?

Wähle eine der folgenden:

  • performing hardware upgrades

  • performing a forensic audit of security breaches

  • documenting the details and frequency of each maintenance task

  • discarding all replaced parts

Erklärung

Frage 15 von 22

1

What is the preferred method to remove a disc from an optical drive that fails to eject the disc?

Wähle eine der folgenden:

  • Remove the top of the drive enclosure.

  • Send the drive to an authorized repair depot.

  • Insert a pin into the small hole on the front of the drive.

  • Use a small screwdriver and pry the drive door open.

Erklärung

Frage 16 von 22

1

A customer reports that recently several files cannot be accessed. The service technician decides to check the hard disk status and the file system structure. The technician asks the customer if a backup has been performed on the disk and the customer replies that the backup was done a week ago to a different logical partition on the disk. What should the technician do before performing diagnostic procedures on the disk?

Wähle eine der folgenden:

  • Install a new hard disk as the primary disk, then make the current disk a slave.

  • Perform file restore from the existing backup copy at the logical partition.

  • Run the CHKDSK utility.

  • Back up the user data to a removable drive.

Erklärung

Frage 17 von 22

1

During the process of testing a theory of several probable causes to a problem, which should be tested first?

Wähle eine der folgenden:

  • the easiest and most obvious

  • those chosen by random selection

  • the most complex and difficult to diagnose

  • those the customer believes to be the most important

Erklärung

Frage 18 von 22

1

During the troubleshooting of a PC that will not boot, it is suspected that the problem is with the RAM modules. The RAM modules are removed and put into another PC, which successfully powers on. The RAM modules are then put back into the original PC and it now successfully powers on as well. What was the most likely cause of the problem?

Wähle eine der folgenden:

  • The RAM modules were not seated firmly.

  • The RAM modules were inserted backwards into the DIMM slots.

  • The RAM modules did not match the PC specs.

  • The RAM modules have bad blocks.

Erklärung

Frage 19 von 22

1

Which component can be easily damaged by the direct spray of compressed air when cleaning the inside the computer case?

Wähle eine der folgenden:

  • cable connectors

  • power supply

  • fan

  • heat sink

  • CPU

Erklärung

Frage 20 von 22

1

Which step of the six-step troubleshooting process is where a technician would ask the computer user to print a document on a newly installed printer?

Wähle eine der folgenden:

  • Test the theory to determine the cause.

  • Verify full system functionality and, if applicable, implement preventive measures.

  • Establish a theory of probable cause.

  • Document findings, actions, and outcomes.

  • Establish a plan of action to resolve the problem and implement the solution.

  • Identify the problem.

Erklärung

Frage 21 von 22

1

Which two types of data should be backed up before troubleshooting a computer for a customer? (Choose two.)

Wähle eine oder mehr der folgenden:

  • Windows operating system files

  • BIOS system file

  • Internet Explorer favorites files

  • driver files for the hard disk

  • documents that are created by the customer

Erklärung

Frage 22 von 22

1

A web designer installed the latest video editing software and now notices that when the application loads, it responds slowly. Also the hard disk LED is constantly flashing when the application is in use. What is a solution to solve the performance problem?

Wähle eine der folgenden:

  • replacing the hard disk with a faster model

  • upgrading to a faster CPU

  • replacing the video card with a model that has a DVI output

  • adding more RAM

Erklärung

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