Bragg, Roberta. creator New Delhi Techmedia 2000 1st ed. xxx, 912 p. : ill. ; 25 cm. + Roberta Bragg. "Exam 70-220." Includes index. Electronic data processing personnel Certification Microsoft software Examinations Computer security Examinations 005.44769 073570984X http://www.loc.gov/catdir/toc/fy031/00100503.html http://www.loc.gov/catdir/toc/fy031/00100503.html DLC