Updated book from best-selling Cisco certification author Todd Lammle. The CCNA ICND2 Study Guide improves on the popular Sybex Study Guide approach by providing 100% coverage of the ICND2 Exam 200-105objectives. The book will contain detailed information and examples on crucial Cisco networking topics, and will practical examples and insights drawn from Todd's almost 30 years of real-world experience. Readers will also have access to dozens of hands-on labs to get the necessary experience needed to pass the exam. The book will contain authoritative coverage of key exam topics, including:* Operating IP data networks* Understanding switching and routing technologies* Troubleshooting and network security* Working with IPv4 and IPv6 addressingFinally, readers will have access to a robust set of interactive online learning tools, including hundreds of sample questions, a preassessment test, a practice exam, and over 100 electronic flashcards.