As I understand it:
First, choose a lossless encoding format. A lossy encoding format compacts the ripped file by throwing away certain information stored on the CD.
Second, when ripping the CD, use a media player that offers error checking. That way, the media player will check the bits ripped against the bits on the CD, and ensure that all the CD bits have been transferred correctly.
Together, you ensure that you get all the information onto your hard drive that...