You need to back up the existing data on a computer before you install a new application. You also need to ensure that you are able to recover individual user files that are replaced or deleted during the installation.
What should you do?（）

单项选择题You have a computer that runs Windows Vista. You need to collect performance data on your computer for a period of four weeks. The performance data must include CPU utilization, memory utilization, and disk utilization. What should you do?（）

A.A
B.B
C.C
D.D

单项选择题You share a computer with other users. You need to ensure that all application and device driver failure reports for this computer are submitted to Microsoft Problem Reports and Solutions. What should you do?（）

A.A
B.B
C.C
D.D

单项选择题You need to use the Event Viewer window to review the event logs for only critical and error events. You also need the maximum amount of detail for each of these events. What should you do?（）

A.A
B.B
C.C
D.D

单项选择题You have a computer that runs Windows Vista. You need to identify the hardware and software failures that have occurred over the past six months. What should you do?（）

A.A
B.B
C.C
D.D

单项选择题You have a computer that runs Windows Vista. You need to ensure that the computer does not enter sleep mode when it is sharing media files. What should you do?（）

A.A
B.B
C.C
D.D