ABOUT THE AUTHOR Craig Zacker, is the author or co-author of dozens of books, manuals, articles, and web sites on computer and networking topics.

• Introduction xiiiChapter 1 Networking Concepts 11.1 Explain concepts related to the Open Systems Interconnection (OSI) reference model 81.2 Compare and contrast networking appliances, applications, and functions 151.3 Summarize cloud concepts and connectivity options 251.4 Explain common networking ports, protocols, services, and traffic types 291.5 Compare and contrast transmission media and transceivers 371.6 Compare and contrast network topologies, architectures, and types 481.7 Given a scenario, use appropriate IPv4 network addressing 531.8 Summarize evolving use cases for modern network environments 59Chapter 2 Network Implementation 632.1 Explain characteristics of routing technologies 662.2 Given a scenario, configure switching technologies and features 732.3 Given a scenario, select and configure wireless devices and technologies 832.4 Explain important factors of physical installations 94Chapter 3 Network Operations 1033.1 Explain the purpose of organizational processes and procedures 1083.2 Given a scenario, use network monitoring technologies 1183.3 Explain disaster recovery (DR) concepts 1243.4 Given a scenario, implement IPv4 and IPv 6 network services 1313.5 Compare and contrast network access and management methods 138Chapter 4 Network Security 1454.1 Explain the importance of basic network security concepts 1484.2 Summarize various types of attacks and their impact to the network 1604.3 Given a scenario, apply network security features, defense techniques, and solutions 167Chapter 5 Network Troubleshooting 1775.1 Explain the troubleshooting methodology 1815.2 Given a scenario, troubleshoot common cabling and physical interface issues 1875.3 Given a scenario, troubleshoot common issues with network services 2015.4 Given a scenario, troubleshoot common performance issues 2115.5 Given a scenario, use the appropriate tool or protocol to solve networking issues 219Chapter 6 Practice Test 1 241Chapter 7 Practice Test 2 267Appendix Answers to Review Questions 293Chapter 1: Networking Concepts 294Chapter 2: Network Implementation 328Chapter 3: Network Operations 351Chapter 4: Network Security 375Chapter 5: Network Troubleshooting 396Chapter 6: Practice Test 1 428Chapter 7: Practice Test 2 443Index 457