Tomsho, Gregory Guide to networking essentials / Greg Tomsho - Sixth Edition . - Australia : Cengage Learning Asia Pte Ltd, c2011 - xxvi, 722 pages : illustrations ; 24 cm. Includes index. ISBN: 9781111312527 Subjects--Topical Terms: COMPUTER NETWORKS LC Class. No.: TK 5105.5 .T66 2011