IT Essentials 7.0 Chapter 4.1

What are three benefits of computer preventive maintenance? (Choose three.)

• elimination of the need for repairs

• improvement in data protection

• extension of the life of components

• reduction in the number of equipment failures

• time savings for technicians making repairs

What is the best way to determine if a CPU fan is spinning properly?

• Spin the blades of the fan quickly with a finger.

• Spray compressed air on the fan to make the blades spin.

• Visually inspect the fan when the power is on to ensure it is spinning.

• Listen for the sound of the fan spinning when the power is on.

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?

• Remove dust from intake fans.

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

• Develop and install forensic tracking software.

• Perform an audit of all software that is installed.

What is a primary benefit of preventive maintenance on a PC?

• It extends the life of the components.

• It enhances the troubleshooting processes.

• It simplifies PC use for the end user.

• It assists the user in software development. It assists the user in software development.

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?

• 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.

Which cleaning tool should be used to remove dust from components inside a computer case?

• compressed air

• cotton swabs

• damp cloth

• duster

Which procedure is recommended when cleaning inside a computer?

• Remove the CPU before cleaning.

• Hold the CPU fan to prevent it from spinning and blow it with compressed air.

• Clean the hard drive heads with a cotton swab.

• Invert the can of compressed air while spraying.

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?

• the temperature

• the humidity

• the rough terrain

• the wind

Which task should be part of a hardware maintenance routine?

• Review security updates.

• Update virus definition files.

• Adjust the monitor for optimum resolution.

• Remove dust from inside the hard drive.

• Check for and secure any loose cables.

What are two effects of not having a preventive maintenance plan for users and organizations? (Choose two.)

• increased repair costs

• increased number of regular updates

• increased downtime

• increased management tasks

• increased documentation needs