The only authorized Lab Companion for use in the Cisco Networking Academy Program CCNA 3 and 4 courses The Lab Companion maps directly to the new curriculum and is considered the core lab manual of the CCNA 3 and 4 courses. This lab manual includes hands-on activities to reinforce the concepts and provide additional learning opportunities. The book also goes beyond the web-based course with enhanced chapters on more difficult subjects, such as advanced routing and IP routing. The authors are the developers of the web-based curriculum for the Cisco Networking Academy Program and are experts in the online learning environment.