Chapter 4 Study Outline

Question 1

Which negative environmental factor doe cleaning the inside of the computer reduce?

Answer 1

Dust

Question 2

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

Answer 2

The Fan

Question 3

On the production floor, a furniture plant has laptops for process monitoring and reporting. The production floor environment is around 80 degrees Fahrenheit. The humidity level is fairly high around 70 percent. Fans are mounted in the ceiling for air circulation. Wood dust is prevalent. Which condition is most likely to adversely affect a laptop that is used in this environment?

Answer 3

The dust

Question 4

A vegetable canning plant uses laptops for monitoring assembly lines. The production environment has an ambient temperature around 75 degrees Fahrenheit. The humidity level is around 30 percent. Noise levels are high due to the canning machinery. The laptops are in a wooden box that tightly surrounds the laptop on three sides. Which factor is most likely to adversely affect a laptop that is used in this environment?

Answer 4

The laptop container

Question 5

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?

Answer 5

The Temperature

Question 6

What is part of creating a preventive maintenance plan?

Answer 6

Documenting the details and frequency of each maintenance task

Question 7

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?

Answer 7

Remove dust from intake fans

Question 8

Which task should be part of a hardware maintenance routine?

Answer 8

Check for and secure any loose cables

Question 9

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

Answer 9

The easiest and most obvious

Question 10

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

Answer 10

The computer manual

The computer repair history log

Question 11

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

Answer 11

Internet explorer favorite files

Any document the customer created

Question 12

A customer reports recently that 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?

Answer 12

Back up the user data to a removable drive

Question 13

What is the next step after a possible solution is implemented during a troubleshooting process?

Answer 13

Verify the full system functionality and apply maintenance procedures

Question 14

An employee reports that an 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?

Answer 14

Run a full virus scan on the computer

Question 15

What task should be completed before escalating a problem to a higher-level technician?

Answer 15

Document each test that was tried.

Question 16

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?

Answer 16

Verify full system functionality and, if applicable, implement preventative measures

Question 17

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?

Answer 17

Establish a new theory of probable causes

Document each test tired that did not fix the problem

Question 18

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

Answer 18

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

Question 19

A technician is called to an office where the computer is randomly rebooting. Which of the given components would likely cause this issue?

Answer 19

Power supply

Question 20

What would happen if a PC that contains a power supply that does not automatically adjust for input voltage is set to 230 volts and attaches to an outlet in the united states?

Answer 20

The PC would not turn on

Question 21

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?

Answer 21

The RAM was not seated firmly

Question 22

After an 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?

Answer 22

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

Question 23

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?

Answer 23

The CMOS battery is loose or falling

Question 24

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

Answer 24

The CPU is overheating

Question 25

A user reports that images on a computer display are distorted. The technician sends an intern to look at the problem. What could the technician tell the intern to check first that does not involve hardware replacement or disassembly?

Answer 25

Display Settings

Question 26

A user has connected an external monitor to a laptop VGA port. What is the next step the user should take?

Answer 26

Use a Fn-key along with a multi-purpose key to send video to the external display