You are installing Windows 2000 on a computer that already has another operating system installed on it. You choose to install Windows 2000 in a different folder than the previously installed operating system. What will Windows 2000 do?

The only operating systems that can be upgraded to Windows 2000 Server are Windows NT Server 3.51 and Windows NT Server 4.0 E is the only correct answer.

A fault tolerance boot disk is a floppy disk that you create that enables you to boot your Windows 2000 computer in the event that the first disk in your computer's mirrored volume fails. This disk contains an edited copy of the Boot.ini file.

The Intel Pentium/166MHz (and higher) platform is the only hardwaer platform supported by Windows 2000.

To achieve optimum functionality of the client computers, you must upgrade all of them to Windows 2000. Upgrading some of them and/or installing the Directory Service Client will gain some functionality, but the question specifically states that "optimum functionality" is the required result.

Of the four features listed, all are supported on both Windows 2000 Professional and Windows 2000 Server Computers except APM. APM is only supported on Windows 2000 Professional computers.

If you want your computer to dual boot between Windows 2000 and windows 98, you should choose the FAT or FAT 32 file system, because Windows 98 does not support NTFS or HPFS, and Windows 2000 does not support HPFS.

The convert.exe command is used to change a volume's file system from FAT to NTFS.

Upgrading the computer to Windows 2000 Professional is probably the best choice given that the current operating system is Windows NT Workstation 4.0 (which upgrades easily to Windows 2000 Professional) and the fact that the computer has 12 additional applications installed on it that would need to be reinstalled and reconfigured if a clean install was performed.