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The correct choice reflects that power options in Windows 7 allow users to adjust settings related to display and energy consumption, specifically screensaver duration and display brightness. These controls help manage how a computer conservatively uses power while idle or in active use.

For example, users can set the duration after which the screensaver activates, helping to conserve energy when the user is away from the computer. Similarly, adjusting display brightness is important for energy savings and is especially relevant for laptops, which may need to extend battery life.

In contrast, adjusting network connection settings, hardware installation settings, and device driver settings fall outside the scope of the power options menu. Network settings chiefly involve configuring connectivity and IP settings, while hardware installation pertains to the processes of adding and configuring new components. Device driver settings are about managing the software that communicates with hardware, all of which are distinct tasks that do not align with the power management features provided in Windows 7.