多项选择题 You need to configure a new computer to dual-boot to the following operating systems: ·Microsoft Windows XP Professional ·Microsoft Windows Vista Which two procedures should you perform?（）

单项选择题 What should you do？（）

单项选择题 You need to configure the power settings of your portable computer so that the display turns off when it is inactive and running on battery power. You also need to ensure that the power settings of the hard disk remain unaffected.  What should you do？（）