This up-to-date All-in-One exam guide delivers complete coverage of every topic on the N10-009 version of the CompTIA Network+ Certification examGet complete coverage of all the CompTIA Network+ exam objectives inside this comprehensive resource. Written by Jonathan Weissman and created and edited by Mike Meyers, the leading expert on CompTIA certification and training, CompTIA Network+ Certification All-in-One Exam Guide, Ninth Edition covers exam N10-009 in full detail. You'll find learning objectives at the beginning of each chapter, exam tips, scenarios, practice exam questions, and in-depth explanations. Designed to help you pass the exam with ease, this authoritative guide also serves as an essential on-the-job reference.Covers all exam topics, including:OSI Model and Number SystemsLocal Communication vs. Remote Communication, ARP, and ICMPIPv4Ports, TCP, and UDPRoutingSwitchingDNS and DHCPIPv6CablingEthernetInstalling a Physical NetworkWireless NetworkingVirtualization and Cloud ComputingData CentersDevices, Access, Management, and MonitoringPolicies and ProceduresNetwork SecurityTroubleshootingOnline content includes:180 practice exam questions in a customizable test engine20+ lab simulations to help you prepare for the performance-based questionsOne hour of video training from Mike MeyersMike Meyers' favorite shareware and freeware networking tools and utilities