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49. D. If you removed the device driver, as choice C suggests, you wouldn't have it available in any hardware profile, and you'd have to reinstall the driver next time you used your docking station. Objective: Manage, monitor, and optimize system performance for mobile users (Chapter 9).
50. C. Also watch out if % processor time is over 85 percent for long stretches of time. You should probably just memorize some of the performance guidelines in Chapter 14. Objective: Optimize and troubleshoot processor utilization (Chapter 14).