2.1 Protection and Safety (PC PRO)

Timothy works in the graphic arts departments and has received approval to upgrade his video card. The card has arrived, and you are ready to begin the upgrade. To ensure your personal safety, which of the following should you do FIRST?

• Place the computer on an ESD mat.

• Remove jewelry.

• Put on safety glasses.

• Disconnect power.

Your U.S.-based company has recently purchased an old office building where employees are being assigned to work. As you are setting up the employees' desktop computers, you come to one location where the nearest wall outlet has only two prongs. All of the metal-enclosed desktop computers have three-prong cords. Which of the following is the BEST way to proceed with that particular desktop computer?

• Purchase an adapter that converts the three-prong cable to two prongs.

• Use the existing cord, but remove the grounding prong, as it is not required

• Get a new power cord with two prongs to match the wall outlet.

• Find a different outlet that uses three prongs.

Of the following choices, which action could be most physically harmful to you?

• Using a computer without a surge protector.

• Wearing a grounding strap while installing a modem.

• Looking into the end of a fiber optic cable.

• Force-ejecting a stuck DVD disc using a straightened paper clip

To improve the safety of your location and to comply with regulations regarding work environments with hazardous materials, you have been assigned to assemble Material Safety Data Sheets (MSDS) for all chemicals used in your shop. How should you obtain these documents?

• Get them from your local workers' safety insurance office

• Write them yourself after researching the issues.

• Ask your manager for them.

• Download them from the chemical manufacturer's websites.

What is the purpose of an MSDS?

• To document how to safely handle and dispose of hazardous materials

• To monitor the potential for electrostatic discharge.

• To prevent dust from accumulating on electrical equipment.

• To protect service technicians from large voltages.

The fan in a 450-Watt power supply is malfunctioning. What action should you take?

• Open the power supply and replace the defective fan unit.

• Remove and replace the power supply.

• Open the power supply and oil the fan

• Do not service the computer until the CPU fan also fails.

What is your top priority when responding to emergencies and hazardous situations?

• Prevent the release of hazardous elements into the atmosphere

• Reduce risk and exposure to litigation.

• Ensure the safety of people in the area.

• Protect your organization's data.

Which of the following are safe methods of lifting heavy objects? (Select TWO.)

• Lift with your legs.

• Bend at the waist.

• Bend your knees with your back straight.

• Pull up with your arms

• Use a lifting strap around the object and your neck.

A technician works in a factory where there is a significant amount of EMI (electromagnetic interference) emissions. Due to this EMI, several of the computers that control the factory's manufacturing machines are unable to communicate with the network. Which of the following network cabling options would be the BEST for reestablishing network communications?

• Cat 5e

• Fiber optic

• Coaxial

• Cat 7

Which of the following will help reduce the threat of static discharge when working on computer hardware? (Select TWO.)

• Remain in physical contact with the server chassis at all times

• Store unused components in static shielding bags

• Place your hardware on an insulating layer of 1/4 inch Styrofoam

• Leave the system plugged into a grounded wall outlet.

• Reduce the humidity in the room to around 30%.