CompTIA A+ 220-901 and 220-902 Cert Guide

Acknowledgments

After more than sixteen years as a full-time technology content provider, I realize more than ever how richly I have been blessed by God in my family and in the team of technology experts I get to work with.

Thanks first and foremost to Almighty God, who has given us the ability to create and to receive glimpses of the mysteries of the universe.

Thanks also to my family, PC and Mac users alike, who agree to disagree about the best technology, but work and play well with each other. Thanks especially to Cheryl for her love and patience.

As always, Pearson has put together an outstanding team for this edition, and I especially want to thank Dave Dusthimer for his vision of becoming the leading provider of CompTIA A+ study material. ...