In this book, you learn how to: * Develop perfect fluency in subnetting * Understand the OSI model and the Cisco three-layer hierarchical model * Connect Cisco equipment, make initial configurations, and connect to other devices to build a network * Configure Cisco routers and back up and restore your Cisco IOS Software configurations * Implement, verify, and troubleshoot a small, switched network * Configure and verify a basic WAN serial connection * Understand and apply wireless LAN (WLAN) concepts * Mitigate network security threats and secure network devices * Configure static routes and RIPv2 * Connect a small office to the Internet WRITTEN BY CCNA/CCENT Experts! Michael Valentine has been in the IT field for 12 years, focusing on network design and implementation. He is currently a Cisco trainer with Skyline Advanced Technology Services and specializes in Cisco Unified Communications instruction as well as CCNA and CCNP courses. Andrew Whitaker is the director of enterprise InfoSec and networking and senior training instructor for Training Camp. He has achieved several Cisco certifications and has written on several Cisco topics. This book includes a CD-ROM that features: * Complete coverage of CCENT exam objectives * Realistic exam questions for effective practice * Detailed explanations of correct and incorrect answers * Multiple exam modes * Flash Card format * An electronic copy of the book