CompTIA® Network+® Study Guide, Second Edition

Table of contents

1. Cover
2. Title Page
3. Copyright
4. Dear Reader,
5. Acknowledgments
6. About the Author
7. Foreword
8. Introduction
   1. Assessment Test
   2. Answers to Assessment Test
9. 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 Labs
   7. Review Questions
10. Chapter 2: The Open Systems Interconnection Specifications
    1. Internetworking Models
    2. The OSI Reference Model
    3. Introduction to Encapsulation
    4. Summary
    5. Exam Essentials
    6. Written Lab
    7. Review Questions
11. Chapter 3: Networking Topologies, 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
    8. Review Questions
12. 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. Summary
    6. Exam Essentials
    7. Written Lab
    8. Review Questions
13. Chapter 5: Networking Devices
    1. Common Network Connectivity Devices
    2. Other Specialized Devices
    3. Planning and Implementing a Basic SOHO Network Using Network Segmentation
    4. Summary
    5. Exam Essentials
    6. Written Lab
    7. Review Questions
14. Chapter 6: Introduction to the Internet Protocol
    1. Introducing TCP/IP
    2. Data Encapsulation
    3. Summary
    4. Exam Essentials
    5. Written Lab
    6. Review Questions
15. 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 Lab
    8. Review Questions
16. 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 Labs
    7. Review Questions
17. Chapter 9: Introduction to IP Routing
    1. Routing Basics
    2. The IP Routing Process
    3. Testing Your IP Routing Understanding
    4. Static and Dynamic Routing
    5. Summary
    6. Exam Essentials
    7. Written Lab
    8. Review Questions
18. Chapter 10: Routing Protocols
    1. Routing Protocol Basics
    2. Distance Vector Routing Protocols
    3. Link State Routing Protocols
    4. IPv6 Routing Protocols
    5. Summary
    6. Exam Essentials
    7. Written Lab
    8. Review Questions
19. 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. Two Additional Advanced Features of Switches
    7. Summary
    8. Exam Essentials
    9. Written Lab
    10. Review Questions
20. Chapter 12: Wireless Networking
    1. Introduction to Wireless Technology
    2. The 802.11 Standards
    3. Comparing 802.11 Standards
    4. Wireless Network Components
    5. Installing a Wireless Network
    6. Wireless Security
    7. Summary
    8. Exam Essentials
    9. Written Lab
    10. Review Questions
21. Chapter 13: Authentication and Access Control
    1. Security Filtering
    2. Managing User Account and Password Security
    3. User-Authentication Methods
    4. Summary
    5. Exam Essentials
    6. Written Lab
    7. Review Questions
22. Chapter 14: Network Threats and Mitigation
    1. Recognizing Security Threats
    2. Understanding Mitigation Techniques
    3. Policies and Procedures
    4. Summary
    5. Exam Essentials
    6. Written Lab
    7. Review Questions
23. Chapter 15: Physical and Hardware Security
    1. Using Hardware and Software Security Devices
    2. Defining Firewalls
    3. Firewall Technologies
    4. Firewalls at the Application Layer vs. the Network Layer
    5. Scanning Services and Other Firewall Features
    6. Intrusion Detection and Prevention Systems
    7. VPN Concentrators
    8. Understanding Problems Affecting Device Security
    9. Summary
    10. Exam Essentials
    11. Written Lab
    12. Review Questions
24. Chapter 16: Wide Area Networks
    1. What’s a WAN?
    2. T-Series Connections
    3. Transmission Media
    4. Broadband Services
    5. Wireless WAN Technologies
    6. WAN Protocols
    7. Summary
    8. Exam Essentials
    9. Written Lab
    10. Review Questions
25. Chapter 17: Troubleshooting Tools
    1. Protocol Analyzers
    2. Throughput Testers
    3. Connectivity Software
    4. Using Traceroute
    5. Using ipconfig and ifconfig
    6. Using the ping Utility
    7. Using the Address Resolution Protocol
    8. Using the nslookup Utility
    9. Resolving Names with the Hosts Table
    10. Using the Mtr Command
    11. Using the route Command
    12. Using the nbtstat Utility
    13. Using the netstat Utility
    14. Using the File Transfer Protocol
    15. Using the Telnet Utility
    16. Summary
    17. Exam Essentials
    18. Written Lab
    19. Review Questions
26. Chapter 18: Software and Hardware Tools
    1. Understanding Network Scanners
    2. Identifying Hardware Tools
    3. Summary
    4. Exam Essentials
    5. Written Lab
    6. Review Questions
27. Chapter 19: Network Troubleshooting
    1. Narrowing Down the Problem
    2. Troubleshooting Steps
    3. Troubleshooting Tips
    4. Summary
    5. Exam Essentials
    6. Written Lab
    7. Review Questions
28. Chapter 20: Management, Monitoring, and Optimization
    1. Managing Network Documentation
    2. Monitoring the Network and Optimizing Its Performance
    3. Summary
    4. Exam Essentials
    5. Written Lab
    6. Review Questions
29. Appendix A: Answers to Review Questions
    1. Chapter 1: Introduction to Networks
    2. Chapter 2: The Open Systems Interconnection Specifications
    3. Chapter 3: Networking Topologies, 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: Authentication and Access Control
    14. Chapter 14: Network Threats and Mitigation
    15. Chapter 15: Physical and Hardware Security
    16. Chapter 16: Wide Area Networks
    17. Chapter 17: Troubleshooting Tools
    18. Chapter 18: Software and Hardware Tools
    19. Chapter 19: Network Troubleshooting
    20. Chapter 20: Management, Monitoring, and Optimization
30. Appendix B: Answers to Written Labs
    1. Chapter 1: Introduction to Networks
    2. Chapter 2: The Open Systems Interconnection Specifications
    3. Chapter 3: Networking Topologies, 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: Authentication and Access Control
    14. Chapter 14: Network Threats and Mitigation
    15. Chapter 15: Physical and Hardware Security
    16. Chapter 16: Wide Area Networks
    17. Chapter 17: Troubleshooting Tools
    18. Chapter 18: Software and Hardware Tools
    19. Chapter 19: Network Troubleshooting
    20. Chapter 20: Management, Monitoring, and Optimization
31. Appendix C: Subnetting Class A
    1. Subnetting Practice Examples: Class A Addresses
    2. Subnetting in Your Head: Class A Addresses
    3. Written Lab 1
    4. Written Lab 2
    5. Answers to Written Lab 1
    6. Answers to Written Lab 2
32. Appendix D: About the Additional Study Tools
    1. Additional Study Tools
    2. System Requirements
    3. Using the Study Tools
    4. Troubleshooting
33. Index