The current version of CompTIA Network+, exam code N10-005, was released Dec. 1, 2011.
Network+ Exams questions closely mimic those on the actual exam, so there won't be any surprises when you get to the testing centre. You will be able to chart your progress with multiple, full-length exams that simulate exams required to attain your qualifications.
Covers all exam topics:
OSI vs. TCP/IP;
Cabling and Topology;
Physical Networks and Structured Cabling;
TCP/IP Basics; Routing;
Advanced Networking Devices;
Protecting your Network;