Lesson 3 Review in VB.NET

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Lesson 3 Review
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Page 7-28
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1. One of your users has Windows XP professional installed on his portable computer. He often carries the portable computer from office to office and must occa sionally leave the computer unattended. The user wants to maximize the battery life on his computer yet still be able to resume work as quickly as possible. He does not want to shut the computer down because he prefers not to have to restart applications whenever he comes back to the computer. What should you tell him to do A. Use the Power Options in Control Panel to select the Max Battery power scheme. B. Use the Power Options in Control Panel to create a custom power scheme. C. Put the computer into standby mode when left unattended. D. Put the computer into hibernate mode when left unattended.
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Answer D is correct. Hibernation mode restores all applications and windows to their previous state while extending battery life. Answers A and B are not correct because, until hibernation is enabled, power schemes can only turn off the monitor and hard disks and send the computer into standby mode. Answer C is not correct because, although standby mode restores applica tions and windows to their previous state, it does not extend battery life as much as hiberna tion mode.
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2. Which of the following standards does Windows XP use for Plug and Play support, as well as for supporting extended power options A. APM B. ACPI C. USB D. BIOS
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Answer B is correct. ACPI provides the Plug and Play specifications used by Windows XP Answer . A is not correct because APM is an older power standard used for backward compatibility. Answer C is not correct because USB is the standard used for a specific type of serial connec tion. Answer D is not correct because BIOS refers to the computer configuration stored in a per manent area of memory for starting and configuring hardware devices on a computer.
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Questions and Answers 7-35
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Case Scenario Exercises: Scenario 7.1
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One of your users works from home using a computer running Windows XP Professional that supports ACPI. She tells you that her son often presses the power button on her com puter and asks you if there is a way to disable the power button. What do you tell her
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Assuming that the computer does support ACPI and that it is enabled, your customer can dis able the power button. She should open the Power Options Properties dialog box, click the Advanced tab, and select Do Nothing from the When I Press The Power Button On My Computer drop-down list.
Case Scenario Exercises: Scenario 7.2
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You are providing support for a user who recently purchased a new computer. The dis play adapter in the computer supports a number of advanced features, but the computer does not have the appropriate software installed to take advantage of these features. Your customer downloaded the new drivers and extra software from the manufacturer of the display adapter. He used the installation program that was part of the download to install the new drivers and software. Now, when he starts his computer, Windows seems to start normally, but just after startup, the customer sees an error message stating that the display settings have been restored to their default level. The user notes that the dis play settings seem to be a low resolution and color quality, but when he tries to open the Display Properties dialog box, the computer freezes. What do you tell him
This problem is most likely the result of a bad driver. You should try starting the computer into VGA mode or safe mode using the advanced options during startup. It is possible that once in one of these two modes, you can open the Display Properties dialog box and resolve the prob lem. You could try adjusting the hardware acceleration setting or look through some of the advanced settings provided by your display adapter. It is more likely, however, that you will need to use Device Manager to roll back the display adapter to the previous version.
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