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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 CD Features Test Engine Detailed explanations of correct and incorrect answers Multiple test modes Random questions and order of answers Coverage of each Network+ exam objective