Your computer runs Microsoft Windows XP Professional. The computer has the following hardware
configuration:
512 MB of RAM
1-GHz processor
60-GB hard disk
15 GB of free space
64-MB video adapter.
You perform a clean install of Microsoft Windows Vista.
You need to ensure that Microsoft Windows Aero Experience is supported.
What should you do?

A.
Upgrade the memory to 1 GB of RAM.

B.
Upgrade the hard disk to 120 GB with 40 GB of free space.

C.
Install a video adapter that has 128 MB of RAM, support for Microsoft DirectX 9, and Microsoft PixelShader
2.0.

D.
Install a video adapter that has 128 MB of RAM, support for Microsoft Scalable Link Interface (SLI) and
Microsoft Pixel Shader 2.0.