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CompTIA Network+® Study Guide

Book Description

Bestselling author Todd Lammle thoroughly covers this first revision of the CompTIA Network+ exam since 2005. Using his one-of-a-kind conversational style, Todd gives you clear and concise information on crucial networking topics through practical examples and insights drawn from his real-world experience. This Study Guide thoroughly covers all exam objectives for the CompTIA Network+ exam (N10-004), including key topics such as network technologies, media and topologies, devices, management, tools, and security. Along with the book you get a CD-ROM featuring a custom test engine with chapter review questions, two practice exams, flashcards, and the book as a searchable PDF.

Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

Table of Contents

  1. Copyright
  2. Preface1
  3. Dear Reader
  4. Acknowledgments
  5. About the Author
  6. Introduction
  7. Introduction to Networks
    1. First Things First: What's a Network?
    2. Common Network Components
    3. Physical Network Topologies
    4. Topology Selection, Backbones, and Segments
    5. Summary
    6. Exam Essentials
    7. Written Labs
    8. Review Questions
    9. Answers to Review Questions
    10. Answers to Written Labs
  8. 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
    8. Answers to Review Questions
    9. Answers to Written Lab
  9. Networking Topologies, Connectors, and Wiring Standards
    1. Physical Media
    2. Properties of Cables
    3. Wiring Standards
    4. Installing Wiring Distributions
    5. Verifying Correct Wiring Installation
    6. Verifying Proper Wiring Termination
    7. Summary
    8. Exam Essentials
    9. Written Lab
    10. Review Questions
    11. Answers to Review Questions
    12. Answers to Written Lab
  10. 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
    9. Answers to Review Questions
    10. Answers to Written Lab
  11. Networking Devices
    1. Common Network Connectivity Devices
    2. Other Specialized Devices
    3. Network Segmentation
    4. Summary
    5. Exam Essentials
    6. Written Lab
    7. Review Questions
    8. Answers to Review Questions
    9. Answers to Written Lab
  12. Introduction to Internet Protocol (IP)
    1. Introducing TCP/IP
    2. Data Encapsulation
    3. Summary
    4. Exam Essentials
    5. Written Lab
    6. Review Questions
    7. Answers to Review Questions
    8. Answers to Written Lab
  13. IP Addressing
    1. IP Terminology
    2. The Hierarchical IP Addressing Scheme
    3. Broadcast Addresses
    4. Internet Protocol Version 6 (IPv6)
    5. Summary
    6. Exam Essentials
    7. Written Lab
    8. Review Questions
    9. Answers to Review Questions
    10. Answers to Written Lab
  14. 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
    8. Answers to Review Questions
    9. Answers to Written Labs
  15. 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
    9. Answers to Review Questions
    10. Answers to Written Lab
  16. 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
    9. Answers to Review Questions
    10. Answers to Written Lab
  17. Switching and Virtual LANs (VLANs)
    1. Networking Before Layer 2 Switching
    2. Switching Services
    3. Spanning Tree Protocol (STP)
    4. Virtual LANs (VLANs)
    5. Switching and Network Security
    6. Two Additional Advanced Features of Switches
    7. Summary
    8. Exam Essentials
    9. Written Lab
    10. Review Questions
    11. Answers to Review Questions
    12. Answers to Written Lab
  18. Wireless Technologies
    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
    11. Answers to Review Questions
    12. Answers to Written Lab
  19. 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
    8. Answers to Review Questions
    9. Answers to Written Lab
  20. 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
    8. Answers to Review Questions
    9. Answers to Written Lab
  21. 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
    13. Answers to Review Questions
    14. Answers to Written Lab
  22. Wide Area Networks
    1. What's a WAN?
    2. T-Series Connections
    3. Transmission Media
    4. Broadband Services
    5. WAN Protocols
    6. Summary
    7. Exam Essentials
    8. Written Lab
    9. Review Questions
    10. Answers to Review Questions
    11. Answers to Written Lab
  23. Command-Line Tools
    1. Using Traceroute
    2. Using ipconfig and ifconfig
    3. Using the ping Utility
    4. Using the Address Resolution Protocol (ARP)
    5. Using the nslookup Utility
    6. Resolving Names with the Hosts Table
    7. Using the Mtr Command
    8. Using the Route Command
    9. Using the nbtstat Utility
    10. Using the netstat Utility
    11. Using the File Transfer Protocol (FTP)
    12. Using the Telephone Network (Telnet) Utility
    13. Summary
    14. Exam Essentials
    15. Written Lab
    16. Review Questions
    17. Answers to Review Questions
    18. Answers to Written Lab
  24. Software and Hardware Tools
    1. Understanding Network Scanners
    2. Identifying Hardware Tools
    3. Summary
    4. Exam Essentials
    5. Written Lab
    6. Review Questions
    7. Answers to Review Questions
    8. Answers to Written Lab
  25. Network Troubleshooting
    1. Narrowing Down the Problem
    2. Troubleshooting Steps
    3. Troubleshooting Tips
    4. Summary
    5. Exam Essentials
    6. Written Lab
    7. Review Questions
    8. Answers to Review Questions
    9. Answers to Written Lab
  26. 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
    7. Answers to Review Questions
    8. Answers to Written Lab
  27. 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
  28. About the Companion CD
    1. What You'll Find on the CD
    2. System Requirements
    3. Using the CD
    4. Troubleshooting
  29. Glossary
    1. A
    2. B
    3. C
    4. D
    5. E
    6. F
    7. G
    8. H
    9. I
    10. J
    11. K
    12. L
    13. M
    14. N
    15. O
    16. P
    17. Q
    18. R
    19. S
    20. T
    21. U
    22. V
    23. W
    24. X
    25. Y