Which cleaning tool should be used to remove dust from components inside a computer case? cotton swabs duster damp cloth compressed air Answers Explanation & Hints: To remove dust inside a…
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…
What task should be completed before escalating a problem to a higher-level technician? Replace all hardware components with components that are known to work. Redo each test to ensure the…
After a problem is identified, what is the next step for the troubleshooter? Implement a solution. Establish a theory of probable causes. Document the findings. Verify the solution. Determine the…
What is the most important reason for a company to ensure that computer preventive maintenance is done? Preventive maintenance enables the IT manager to check on the location and state…
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…
Which task should be part of a hardware maintenance routine? Update virus definition files. Check for and secure any loose cables. Review security updates. Adjust the monitor for optimum resolution.…
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? The CMOS battery is…
What are two effects of not having a preventive maintenance plan for users and organizations? (Choose two.) increased documentation needs increased management tasks increased repair costs increased number of regular…
An employee mentions that opening a large document file is taking longer than usual. The desktop support technician suspects that there might be a fault in the hard disk. What…
Which task should be performed on a hard drive as part of a preventive maintenance plan? Ensure the disk spins freely. Ensure cables are firmly connected. Blow out the inside…
Which term refers to the technique of increasing the speed of a processor from the specified value of its manufacturer? hyperthreading overclocking throttling multitasking Answers Explanation & Hints: Overclocking is…
What unit is used to measure the amount of resistance to the flow of current in a circuit? watts ohms volts amps Answers Explanation & Hints: The resistance of a…
What are two settings that can be modified in the BIOS setup program. (Choose two.) device drivers swap file size enabling and disabling devices drive partition size boot order Answers…
Which device can protect computer equipment from brownouts by providing a consistent quality of electrical power? AC adapter surge suppressor SPS UPS
Which specialized computer component would be most important for a workstation built for audio and video editing? a TV tuner card a high speed wireless adapter a specialized video card…
Where is the saved BIOS configuration data stored? cache CMOS hard drive RAM Answers Explanation & Hints: The BIOS configuration data is saved to a special memory chip called a…
A technician accidentally spills a cleaning solution on the floor of the workshop. Where would the technician find instructions on how to properly clean up and dispose of the product?…
What is a characteristic of thin clients? They perform all processing tasks internally. They require a network connection to access storage and processor resources. They require large amounts of fast…
Which definition describes the term "overclocking"? modifying the motherboard clocking crystal to increase the timing signals changing the bus speed of the motherboard to increase the speed of attached adaptors…