You have a computer that runs Windows XP Professional. The computer is configured as a Simple Network Management Protocol (SNMP) agent and is monitored by an SNMP management server. 
You install Windows XP Professional Service Pack 2 (SP2) and Windows Defender on the computer. You discover that the SNMP management server can no longer collect SNMP data from the computer. You need to ensure that the SNMP management server can collect data from the Windows XP Professional computer. 
What should you do?（）

A user has a computer that runs Windows 2000 Professional. The user plans to upgrade the computer to Windows XP Professional. You need to instruct the user how to perform the upgrade. You must ensure that the user is only prompted to enter the Window XP product ID during the installation.
Which command should you instruct the user to run?（）