Network+ is a certification that is used to measure skill as a network technician: understanding of network hardware, installation, and troubleshooting. Network+ was first launched in 1999, and exam updates followed in 2002, 2005, and 2009. The 2009 version will be retired on August 31 2012; new objectives (the "2012 objectives") will begin to be examined in Nov/Dec 2011.
Topics include network hardware, connections, software, the OSI Reference model, and different protocols used in local area networks (LANs) and wide area networks (WANs).