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CompTIA Network+ Study Guide: Exam N10-009 (2024)

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    Table of Contents 1. Cover 2. Table of Contents 3. Title Page 4. Copyright 5. Acknowledgments 6. About the Authors 7. About the Technical Editor 8. Table of Exercises 9. Introduction 1. What Is the Network+ Certification? 2. Why Become Network+ Certified? 3. How to Become Network+ Certified 4. Tips for Taking the Network+ Exam 5. Who Should Read This Book? 6. What Does This Book Cover? 7. What's Included in the Book 8. Interactive Online Learning Environment and Test Bank 9. How to Use This Book 10. N10-009 Exam Objectives 11. Objective Map 12. Assessment Test 13. Answers to Assessment Test

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    10. Chapter 1: Introduction to Networks 1. First Things First: What's a Network? 2. Physical Network Topologies 3. Topology Selection, Backbones, and Segments 4. Summary 5. Exam Essentials 6. Written Lab 7. Review Questions 11. Chapter 2: The Open Systems Interconnection (OSI) Reference Model 1. Internetworking Models 2. Introduction to Encapsulation 3. Modulation Techniques 4. Summary 5. Exam Essentials 6. Written Lab 7. Review Questions 12. Chapter 3: Networking Connectors and Wiring Standards 1. Physical Media 2. Cable Properties 3. Wiring Standards 4. Installing Wiring Distributions 5. Summary 6. Exam Essentials 7. Written Lab

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    8. Review Questions 13. Chapter 4: The Current Ethernet Specifications 1. Network Basics 2. Ethernet Basics 3. Ethernet at the Data Link Layer 4. Ethernet at the Physical Layer 5. Ethernet over Other Standards (IEEE 1905.1-2013) 6. Summary 7. Exam Essentials 8. Written Lab 9. Review Questions 14. Chapter 5: Networking Devices 1. Common Network Connectivity Devices 2. Other Specialized Devices 3. Networked Devices 4. Planning and Implementing a Basic SOHO Network Using Network Segmentation 5. Summary 6. Exam Essentials 7. Written Lab 8. Review Questions 15. Chapter 6: Introduction to the Internet Protocol 1. Introducing TCP/IP 2. Data Encapsulation

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    3. Summary 4. Exam Essentials 5. Written Lab 6. Review Questions 16. Chapter 7: IP Addressing 1. IP Terminology 2. The Hierarchical IP Addressing Scheme 3. IPv4 Address Types 4. Internet Protocol Version 6 (IPv6) 5. Summary 6. Exam Essentials 7. Written Labs 8. Review Questions 17. Chapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NAT 1. Subnetting Basics 2. Troubleshooting IP Addressing 3. Introduction to Network Address Translation (NAT) 4. Summary 5. Exam Essentials 6. Written Lab 7. Review Questions 18. Chapter 9: Introduction to IP Routing 1. Routing Basics 2. The IP Routing Process

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    3. Testing Your IP Routing Understanding 4. Static and Dynamic Routing 5. Summary 6. Exam Essentials 7. Written Lab 8. Review Questions 19. Chapter 10: Routing Protocols 1. Routing Protocol Basics 2. Distance-Vector Routing Protocols 3. Link-State Routing Protocols 4. High Available Routes 5. Advanced IPv6 Concepts 6. IPv6 Routing Protocols 7. Summary 8. Exam Essentials 9. Written Lab 10. Review Questions 20. Chapter 11: Switching and Virtual LANs 1. Networking Before Layer 2 Switching 2. Switching Services 3. Spanning Tree Protocol 4. Virtual LANs 5. VLAN Trunking Protocol 6. Advanced Features of Switches

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    7. Summary 8. Exam Essentials 9. Written Lab 10. Review Questions 21. Chapter 12: Wireless Networking 1. Introduction to Wireless Technology 2. Cellular Technologies 3. The 802.11 Standards (Regulatory Impacts) 4. Comparing 802.11 Standards 5. Wireless Network Components 6. Installing a Wireless Network 7. Site Survey 8. Wireless Security 9. Summary 10. Exam Essentials 11. Written Lab 12. Review Questions 22. Chapter 13: Remote Network Access 1. Site-to-Site VPN 2. Client-to-Site VPN 3. Remote Desktop Connection 4. Virtual Network Computing 5. Connection Methods 6. Jump Box/Host

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    7. In-Band vs. Out-of-Band Management 8. Summary 9. Exam Essentials 10. Written Lab 11. Review Questions 23. Chapter 14: Using Statistics and Sensors to Ensure Network Availability 1. Performance Monitoring/Metrics/Sensors 2. SNMP 3. Application Programming Interface Integration 4. Protocol Analyzer/Packet Capture 5. Flow Data 6. Log Aggregation 7. Summary 8. Exam Essentials 9. Written Lab 10. Review Questions 24. Chapter 15: Organizational Documents and Policies 1. Plans and Procedures 2. Hardening and Security Policies 3. Common Documentation 4. IP Address Management 5. Common Agreements 6. Summary 7. Exam Essentials

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    8. Written Lab 9. Review Questions 25. Chapter 16: High Availability and Disaster Recovery 1. Load Balancing 2. Multipathing 3. Network Interface Card (NIC) Teaming 4. Redundant Hardware/Clusters 5. Facilities and Infrastructure Support 6. Redundancy and High Availability Concepts 7. Backups 8. Testing 9. Summary 10. Exam Essentials 11. Written Lab 12. Review Questions 26. Chapter 17: Data Center Architecture and Cloud Concepts 1. Cloud Computing 2. Infrastructure as Code 3. Software-Defined Networking 4. Virtual Extensible Local Area Network 5. Zero Trust Architecture 6. Secure Access Secure Edge/Security Service Edge 7. Summary 8. Exam Essentials

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    9. Written Lab 10. Review Questions 27. Chapter 18: Network Troubleshooting Methodology 1. Narrowing Down the Problem 2. Troubleshooting Steps 3. Troubleshooting Tips 4. Summary 5. Exam Essentials 6. Written Lab 7. Review Questions 28. Chapter 19: Network Software Tools and Commands 1. Software Tools 2. Using traceroute 3. Using ipconfig , ifconfig , and ip 4. Using the ifconfig Utility 5. Using the ip Utility 6. Using the iptables Utility 7. Using the ping Utility 8. The Address Resolution Protocol 9. Using the arp Utility 10. Using the nslookup Utility 11. Resolving Names with the Hosts File 12. Using the mtr Command (pathping) 13. Using the Nmap Utility

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    14. Using the route Command 15. Using the netstat Utility 16. Using tcpdump 17. Basic Networking Device Commands 18. Hardware Tools 19. Summary 20. Exam Essentials 21. Written Lab 22. Review Questions 29. Chapter 20: Network Security Concepts 1. Common Security Terminology 2. AAA Model 3. Regulatory Compliance 4. Summary 5. Exam Essentials 6. Written Lab 7. Review Questions 30. Chapter 21: Common Types of Attacks 1. Technology-Based Attacks 2. Human and Environmental 3. Hardening Security 4. Implementing Network Segmentation 5. Physical Security Concepts 6. Summary

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    7. Exam Essentials 8. Written Lab 9. Review Questions 31. Appendix A: Answers to Written Labs 1. Chapter 1: Introduction to Networks 2. Chapter 2: The Open Systems Interconnection (OSI) Reference Model 3. Chapter 3: Networking Connectors and Wiring Standards 4. Chapter 4: The Current Ethernet Specifications 5. Chapter 5: Networking Devices 6. Chapter 6: Introduction to the Internet Protocol 7. Chapter 7: IP Addressing 8. Chapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NAT 9. Chapter 9: Introduction to IP Routing 10. Chapter 10: Routing Protocols 11. Chapter 11: Switching and Virtual LANs 12. Chapter 12: Wireless Networking 13. Chapter 13: Remote Network Access 14. Chapter 14: Using Statistics and Sensors to Ensure Network Availability 15. Chapter 15: Organizational Documents and Policies 16. Chapter 16: High Availability and Disaster Recovery 17. Chapter 17: Data Center Architecture and Cloud Concepts 18. Chapter 18: Network Troubleshooting Methodology 19. Chapter 19: Network Software Tools and Commands

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    20. Chapter 20: Network Security Concepts 21. Chapter 21: Common Types of Attacks 32. Appendix B: Answers to Review Questions 1. Chapter 1: Introduction to Networks 2. Chapter 2: The Open Systems Interconnection (OSI) Reference Model 3. Chapter 3: Networking Connectors and Wiring Standards 4. Chapter 4: The Current Ethernet Specifications 5. Chapter 5: Networking Devices 6. Chapter 6: Introduction to the Internet Protocol 7. Chapter 7: IP Addressing 8. Chapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NAT 9. Chapter 9: Introduction to IP Routing 10. Chapter 10: Routing Protocols 11. Chapter 11: Switching and Virtual LANs 12. Chapter 12: Wireless Networking 13. Chapter 13: Remote Network Access 14. Chapter 14: Using Statistics and Sensors to Ensure Network Availability 15. Chapter 15: Organizational Documents and Policies 16. Chapter 16: High Availability and Disaster Recovery 17. Chapter 17: Data Center Architecture and Cloud Concepts 18. Chapter 18: Network Troubleshooting Methodology 19. Chapter 19: Network Software Tools and Commands 20. Chapter 20: Network Security Concepts

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    21. Chapter 21: Common Types of Attacks 33. Appendix C: Subnetting Class A 1. Subnetting Practice Examples: Class A Addresses 2. Subnetting in Your Head: Class A Addresses 3. Written Lab C.1 4. Written Lab C.2 5. Answers to Written Lab C.1 6. Answers to Written Lab C.2 34. Index 35. End User License Agreement List of Tables 1. Chapter 3 1. TABLE 3.1 Coaxial cable specifications 2. Chapter 4 1. TABLE 4.1 Binary values 2. TABLE 4.2 Binary-to-decimal memorization chart 3. TABLE 4.3 Hex-to-binary-to-decimal chart 4. TABLE 4.4 Common Ethernet cable types 3. Chapter 5 1. TABLE 5.1 Additional DNS record types 4. Chapter 6 1. TABLE 6.1 Severity levels 2. TABLE 6.2 Key features of TCP and UDP

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    3. TABLE 6.3 Key protocols that use TCP and UDP 4. TABLE 6.4 Possible protocols found in the Protocol field of an IP header 5. Chapter 7 1. TABLE 7.1 Reserved IP addresses 2. TABLE 7.2 Reserved RFC 1918 IP address space 3. TABLE 7.3 Special IPv6 addresses 6. Chapter 8 1. TABLE 8.1 Default subnet masks 2. TABLE 8.2 CIDR values 3. TABLE 8.3 Advantages and disadvantages of implementing NAT 4. TABLE 8.4 NAT terms 7. Chapter 10 1. TABLE 10.1 Default administrative distances 2. TABLE 10.2 RIPv1 vs. RIPv2 3. TABLE 10.3 OSPF and RIP comparison 8. Chapter 12 1. TABLE 12.1 Wireless agencies and standards 2. TABLE 12.2 Cellular comparisons 3. TABLE 12.3 802.11 committees and subcommittees 4. TABLE 12.4 Range and speed comparisons 9. Chapter 14 1. TABLE 14.1 Syslog severity levels 10. Chapter 15

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