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MCSA/MCSE Self-Paced Training Kit (Exam 70-270): Installing ...

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24-16 Chapter 24 Monitoring and Optimizing System Performance and Reliability<br />

Objective 4.2 Answers<br />

1. Correct Answers: A<br />

A. Correct: Hardware profiles are designed for computers that are not fully PnPcompatible.<br />

Computers with full PnP compatibility do not require hardware profiles<br />

to be configured.<br />

B. Incorrect: Hardware profiles do not need to be configured for laptops that are<br />

fully PnP-compatible. This is the correct procedure, however, if the computer is<br />

not PnP-compatible.<br />

C. Incorrect: Hardware profiles do not need to be configured for laptops that are<br />

fully PnP-compatible.<br />

D. Incorrect: Hardware profiles do not need to be configured for laptops that are<br />

fully PnP-compatible.<br />

2. Correct Answers: B<br />

A. Incorrect: The Task Manager is used to set process priorities and monitor processor<br />

performance, among other things. It cannot be used to specify which drivers<br />

are loaded in a given hardware profile.<br />

B. Correct: The Device Manager is used to disable drivers for the current profile. To<br />

disable a driver for the current profile, start Windows XP using the profile that you<br />

want to configure. Then, launch Device Manager to view the properties of a<br />

driver. From the Device Usage drop-down list, select Do Not Use This Device In<br />

The Current Hardware Profile (Disable).<br />

C. Incorrect: The Computer Manager is a set of snap-ins used to manage many<br />

aspects of a Windows XP Professional computer. However, it cannot be used to<br />

specify which drivers are loaded in a given hardware profile.<br />

D. Incorrect: The System Monitor is used to monitor hundreds of performance<br />

counters, but it cannot be used to specify which drivers are loaded in a given<br />

hardware profile.<br />

3. Correct Answers: C<br />

A. Incorrect: This power scheme does not meet the requirements. The Home/<br />

Office Desk scheme maintains constant power when the system is plugged in, but<br />

might turn off the display while on battery power.<br />

B. Incorrect: This power scheme does not meet the requirements. The Portable/<br />

Laptop scheme turns off all system components after a short period of inactivity.<br />

This causes the display to shut down.

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