单项选择题 You have a computer named Computer1 that runs Windows 7. Computer1 uses an NTFS-formatted USBdrive that has ReadyBoost enabled. You need to modify the amount of space that ReadyBoost reserves onthe USB drive. What should you do?（）

单项选择题 You have a computer that runs Windows 7. You generate a System Diagnostic Report and receive thefollowing warning message: The Graphics rating for the system is poor and may be the cause of performance problems. You need to increase the graphics performance of the computer without modifyingthe current hardware or drivers.  What should you do?（）

单项选择题 You need to increase the size of a paging file.  What should you do?（）