CompTIA Network+ Study Guide, 5th Edition

CompTIA Network+ Study Guide, 5th Edition

by Todd Lammle
Released October 2021
Publisher(s): Sybex
ISBN: 9781119811633

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Book description

Prepare for the Network+ certification and a new career in network installation and administration 

In the newly revised Fifth Edition of CompTIA Network+ Study Guide Exam N10-008, bestselling author and network expert Todd Lammle delivers thorough coverage of how to install, configure, and troubleshoot today’s basic networking hardware peripherals and protocols. 

This book will prepare you to succeed on the sought-after CompTIA Network+ certification exam, impress interviewers in the network industry, and excel in your first role as a junior network administrator, support technician, or related position. 

The accomplished author draws on his 30 years of networking experience to walk you through the ins and outs of the five functional domains covered by the Network+ Exam N10-008: Networking fundamentals, implementations, operations, security, and troubleshooting. You’ll also get: 

  • Complete, domain-specific coverage of the updated Network+ Exam N10-008 
  • Preparation to obtain a leading network certification enjoyed by over 350,000 networking professionals 
  • Access to a superior set of online study tools, including practice exams, flashcards, and glossary of key terms. 

Perfect for anyone preparing for the latest version of the CompTIA Network+ Exam N10-008, the Fifth Edition of CompTIA Network+ Study Guide Exam N10-008 is a must-have resource for network administrators seeking to enhance their skillset with foundational skills endorsed by industry and thought leaders from around the world. 

Table of contents

  1. Cover
  2. Title Page
  3. Copyright
  4. Acknowledgments
  5. About the Author
    1. About the Technical Editor
  6. Introduction
    1. N10-008 Exam Objectives
    2. Objective Map
    3. Assessment Test
    4. Answers to Assessment Test
  7. 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
  8. Chapter 2: The Open Systems Interconnection Specifications
    1. Internetworking Models
    2. The OSI Reference Model
    3. Introduction to Encapsulation
    4. Modulation Techniques
    5. Summary
    6. Exam Essentials
    7. Written Lab
    8. Review Questions
  9. 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
    8. Review Questions
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. Chapter 10: Routing Protocols
    1. Routing Protocol Basics
    2. Distance-Vector Routing Protocols
    3. Link-State Routing Protocols
    4. High Availability
    5. Advanced IPv6 Concepts
    6. IPv6 Routing Protocols
    7. Summary
    8. Exam Essentials
    9. Written Lab
    10. Review Questions
  17. 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
  18. 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
  19. Chapter 13: Using Statistics and Sensors to Ensure Network Availability
    1. Performance Metrics/Sensors
    2. SNMP
    3. Network Device Logs
    4. Interface Statistics/Status
    5. Interface Errors or Alerts
    6. Environmental Factors and Sensors
    7. Baselines
    8. NetFlow Data
    9. Uptime/Downtime
    10. Summary
    11. Exam Essentials
    12. Written Lab
    13. Review Questions
  20. Chapter 14: Organizational Documents and Policies
    1. Plans and Procedures
    2. Hardening and Security Policies
    3. Common Documentation
    4. Common Agreements
    5. Summary
    6. Exam Essentials
    7. Written Lab
    8. Review Questions
  21. Chapter 15: 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 (HA) Concepts
    7. Mean Time to Repair (MTTR)
    8. Mean Time Between Failure (MTBF)
    9. Recovery Time Objective (RTO)
    10. Recovery Point Objective (RPO)
    11. Network Device Backup/Restore
    12. Summary
    13. Exam Essentials
    14. Written Lab
    15. Review Questions
  22. Chapter 16: Common Security Concepts
    1. Confidentiality, Integrity, and Availability (CIA)
    2. Threats
    3. Vulnerabilities
    4. Least Privilege
    5. Role-Based Access
    6. Zero Trust
    7. Defense in Depth
    8. Authentication Methods
    9. Security Risk Assessments
    10. Security Information and Event Management (SIEM)
    11. Summary
    12. Exam Essentials
    13. Written Lab
    14. Review Questions
  23. Chapter 17: Common Types of Attacks
    1. Technology-Based Attacks
    2. Human and Environmental
    3. Summary
    4. Exam Essentials
    5. Written Lab
    6. Review Questions
  24. Chapter 18: Network Hardening Techniques
    1. Best Practices
    2. Wireless Security
    3. IoT Access Considerations
    4. Summary
    5. Exam Essentials
    6. Written Lab
    7. Review Questions
  25. Chapter 19: Remote Access Security
    1. Site-to-Site VPN
    2. Client-to-Site VPN
    3. Remote Desktop Connection
    4. Remote Desktop Gateway
    5. SSH
    6. Virtual Network Computing (VNC)
    7. Virtual Desktop
    8. Authentication and Authorization Considerations
    9. In-Band vs. Out-of-Band Management
    10. Summary
    11. Exam Essentials
    12. Written Lab
    13. Review Questions
  26. Chapter 20: Physical Security
    1. Detection Methods
    2. Prevention Methods
    3. Asset Disposal
    4. Summary
    5. Exam Essentials
    6. Written Lab
    7. Review Questions
  27. Chapter 21: Data Center Architecture and Cloud Concepts
    1. Data Center Network Architectures
    2. Software-Defined Networking
    3. Traffic Flows
    4. Branch Office vs. On-premises Data Center vs. Colocation
    5. Cloud Computing and Its Effect on the Enterprise Network
    6. Overview of Network Programmability in Enterprise Network
    7. Application Programming Interfaces (APIs)
    8. Managing Network Documentation
    9. Network Monitoring
    10. Network Optimization
    11. Summary
    12. Exam Essentials
    13. Written Lab
    14. Review Questions
  28. Chapter 22: Ensuring Network Availability
    1. Performance Metrics/Sensors
    2. Network Metrics
    3. Network Device Logs
    4. Interface Statistics/Status
    5. Interface Errors
    6. Baseline
    7. NetFlow
    8. Uptime
    9. Downtime
    10. Summary
    11. Exam Essentials
    12. Written Lab
    13. Review Questions
  29. Chapter 23: Cable Connectivity Issues and Tools
    1. Identifying Hardware Tools
    2. Summary
    3. Exam Essentials
    4. Written Lab
    5. Review Questions
  30. Chapter 24: 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
  31. Chapter 25: Network Software Tools and Commands
    1. Software Tools
    2. Using traceroute
    3. Using ipconfig, ifconfig, and ip
    4. Using the iptables Utility
    5. Using the ping Utility
    6. Using the Address Resolution Protocol
    7. Using the arp Utility
    8. Using the nslookup Utility
    9. Resolving Names with the Hosts File
    10. Using the Mtr Command (pathping)
    11. Using the Nmap Utility
    12. Using the route Command
    13. Using the nbtstat Utility
    14. Using the netstat Utility
    15. Using tcpdump
    16. Using the File Transfer Protocol
    17. Using the Telnet Utility
    18. Summary
    19. Exam Essentials
    20. Written Lab
    21. Review Questions
  32. Appendix A: Answers to Written Labs
    1. Chapter 1: Introduction to Networks
    2. Chapter 2: The Open Systems Interconnection Specifications
    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: Using Statistics and Sensors to Ensure Network Availability
    14. Chapter 14: Organizational Documents and Policies
    15. Chapter 15: High Availability and Disaster Recovery
    16. Chapter 16: Common Security Concepts
    17. Chapter 17: Common Types of Attacks
    18. Chapter 18: Network Hardening Techniques
    19. Chapter 19: Remote Access Security
    20. Chapter 20: Physical Security
    21. Chapter 21: Data Center Architecture and Cloud Concepts
    22. Chapter 22: Ensuring Network Availability
    23. Chapter 23: Cable Connectivity Issues and Tools
    24. Chapter 24: Network Troubleshooting Methodology
    25. Chapter 25: Network Software Tools and Commands
  33. Appendix B: Answers to Review Questions
    1. Chapter 1: Introduction to Networks
    2. Chapter 2: The Open Systems Interconnection Specifications
    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: Using Statistics and Sensors to Ensure Network Availability
    14. Chapter 14: Organizational Documents and Policies
    15. Chapter 15: High Availability and Disaster Recovery
    16. Chapter 16: Common Security Concepts
    17. Chapter 17: Common Types of Attacks
    18. Chapter 18: Network Hardening Techniques
    19. Chapter 19: Remote Access Security
    20. Chapter 20: Physical Security
    21. Chapter 21: Data Center Architecture and Cloud Concepts
    22. Chapter 22: Ensuring Network Availability
    23. Chapter 23: Cable Connectivity Issues and Tools
    24. Chapter 24: Network Troubleshooting Methodology
    25. Chapter 25: Network Software Tools and Commands
  34. 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
  35. Index
  36. Online Test Bank
    1. Register and Access the Online Test Bank
  37. End User License Agreement

Product information

  • Title: CompTIA Network+ Study Guide, 5th Edition
  • Author(s): Todd Lammle
  • Release date: October 2021
  • Publisher(s): Sybex
  • ISBN: 9781119811633