Ciampa, Mark D. Security+ guide to network security fundamentals / Mark Ciampa. - 4th ed. - Boston, MA : Course Technology, Cengage Learning, c2012. - xxvi, 628 p. : ill. ; 24 cm. Includes index. ISBN: 9781111640170 1111640122 LCCN: 2011931202 Subjects--Topical Terms: Computer networks--Security measures--Examinations--Study guides. LC Class. No.: TK5105.59 / .C52 2012 Dewey Class. No.: 005.8 / CMS