Here"s the book you need to prepare for Cisco"s CCNA exam, 640-801. This Study Guide was developed to meet the exacting requirements of today"s Cisco certification candidates. In addition to the engaging and accessible instructional approach that has earned author Todd Lammle the "Best Study Guide Author" award in CertCities Readers" Choice Awards for two consecutive years, this updated fifth edition provides:In-depth coverage of every CCNA exam objectiveExpanded IP addressing and subnetting coverageMore detailed information on EIGRP and OSPFLeading-edge exam preparation softwareAuthoritative coverage of all exam objectives, including:Network planning & designingImplementation & operationLAN and WAN troubleshootingCommunications technology