MCQUERRY, STEVE AUTHORIZED SELF-STUDY GUIDE: INTERCONNECTING CISCO NETWORK DEVICES, PART 1 (1CND1) - 2ND ED. - Estados Unidos CISCO PRESS 2008 INDIANAPOLIS - 491 ISBN: 9781587054624 LCCN: 65306 Subjects--Topical Terms: INTERCONEXION (TELECOMUNICACIONES)REDES DE COMPUTADORAS Dewey Class. No.: 004.6