The new edition of CompTIA Network+ Exam Cram is the first book to cover the Network+ 2009 exam.

Covers the critical information you’ll need to know to score higher on your Network+ exam!
Implement proven best practices for managing networks efficiently and reliably
Thoroughly understand network hardware components, devices, cabling, and connectors

Systematically review TCP/IP, related network protocols, and the OSI model
Manage network operating systems and clients
Identify network vulnerabilities and configure network security to address them
Use security tools such as cryptography and antivirus software
Provide reliable, secure Internet access, WAN access, and VLAN support
Implement disaster recovery plans that protect business continuity
Troubleshoot network and Internet connectivity problems
Efficiently document the network and provide high-quality user support