CIST 1122 Midterm Exam | Questions with complete solutions

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CIST 1122 Midterm Exam | Questions with complete solutions 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 by replacing the old video card with the new one in his workstation. To ensure your personal safety, which of the following should you do FIRST? 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? Find a different outlet that uses three prongs. In which of the following situations should you NOT use an ESD wrist strap? When working with high-voltage components. To improve the safety of your location and 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? Download them from the chemical manufacturer's websites. Which of the following devices can store large amounts of electricity, even when unplugged? CRT monitor Jeannette's workstation is overheating. She decides to open the workstation and clean any accumulated dust to see if it helps with the overheating issue. Which of the following can Jeannette safely do to remove dust? (Select two.) 1. Use a special vacuum to clean dust from all hardware components. 2. Use short bursts of compressed air to clean delicate components. While it takes 3,000 volts or more of ESD before you can feel it, it takes very little ESD to damage a computer component. What is the minimum ESD volt discharge that can actually damage a component? 10 volts Which of the following is a myth regarding electrostatic discharge (ESD)? If you can't feel ESD, the surge is not sufficient to harm computer components. You work for a store that sells and repairs computers. Due to the room's layout, while repairing computers, you must walk from one side of the carpeted room to the other frequently. Which of the following would BEST protect you from static electricity buildup? ESD wrist strap To prevent ESD when replacing internal computer components, you attach an anti-static wrist strap to your wrist. Where should the other end be fastened? (Select two.) Anti-static mat Metal area on the computer case You work for a large company that has over 1,000 computers. Each of these computes uses a wireless mouse and keyboard. Therefore, your company goes through a lot of alkaline batteries. When these batteries can no longer power the intended device, you need to decide what to do with them. Unless otherwise dictated by your local authorities, which of the following would be the EASIEST way to deal with these batteries? They can be thrown in the trash. Your company has a plan in place to upgrade each employee's laptop computer to a newer model every three years. As a result, you often have old laptop batteries. Unless otherwise dictated by your local authorities, which of the following is the BEST way to deal with these types of batteries? They must be recycled. Which of the following components require special disposal procedures to comply with environmental guidelines? Notebook battery Katy is a IT engineer who is responsible for maintaining the environment in her company data center in San Francisco. While swapping motherboards in a server in the data center, she notices that the original motherboard is showing signs of corrosion. Which of the following is the BEST solution to resolve the corrosion issue? Decrease the humidity in the data center. What is the BEST way to dispose of printer cartridges? Return them to the manufacturer for recycling. What method is used to ensure proper ventilation in a server room? Hot and cold aisles Your company provides testing services that help customers identify and resolve performance issues with their software and e-commerce sites before they go live. To perform accurate testing, a large number of computers are required, sometimes numbering in the hundreds. Recently, you have noticed that the lights in the testing lab seem dimmer than normal and sometimes flicker. Which of the following electrical terms BEST describes the condition you are most likely experiencing? Brownout Which of the following device types should be plugged into a surge-protected-only outlet on a UPS unit and not a battery backup outlet? Laser printer Besides protecting a computer from under-voltages, a typical UPS also performs which other actions? (Select two.) Protects from over-voltages Conditions the power signal Your company resides in an area with rapid growth in both the corporate and residential areas surrounding your office. As such, your company has been experiencing several brownouts due to power grid problems (too much demand and not enough electricity). Fearing that your computers (especially the servers) could be damaged by these brownouts, your manager has asked you to find a solution to this problem. Which of the following would be the BEST device to recommend to your manager for computer protection? UPS You are the PC technician for a company. An employee has gone to a meeting while you fix the computer in her office. She accidentally left a report open next to her computer. It states that a friend of yours in accounting will be submitted for review if their poor work performance continues. Which of the following is the BEST action to take? Ignore the paper and tell no one of its contents. As you arrive on-site to fix an issue, you are met by a frantic employee who immediately details how critical the issue is and how important it is to fix it as quickly as possible. Having seen this same issue many times, you say to the customer, "Stop worrying. I know what I'm doing." Which of the following professionalism principles are you failing to follow? Avoid dismissing customer problems. You have responded to a call from a customer who is having problems with his computer. After troubleshooting the problem, you discover the switch on the power strip was off. After switching it on, all of the components and their functionality return to normal. Which of the following is the BEST way to explain the solution to the customer? "I found this power strip switch in the off position. Now that it's on, it looks like everything is working. It appears as though that was the problem. Can you confirm that the problem has been resolved?" [Show More]

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