CompTIA Network+ Certification All-in-One Exam Guide (N10-009)

Product Overview

Get complete coverage of every objective on the CompTIA Network+ N10-009 exam in this comprehensive, up-to-date guide. Cybersecurity educator and CompTIA certification expert Jonathan Weissman wrote it, with Mike Meyers serving as Series Expert.

Each chapter opens with learning objectives and closes with exam tips, real-world scenarios, practice questions, and in-depth explanations. The guide helps you pass the exam with confidence, and it doubles as an on-the-job reference for networking professionals.

• Covers all CompTIA Network+ (N10-009) exam objectives across all five domains
• Free online simulations
• One hour+ of Mike Meyers video training
• Mike’s toolbox of favorite network security-related freeware and shareware

Certification Alignment

• Networking Concepts (23%) — core protocols, network devices, cabling, addressing, and common topologies
• Network Implementation (20%) — configuring and deploying switching, routing, and wireless solutions
• Network Operations (19%) — monitoring, availability, documentation, and performance management
• Network Security (14%) — common threats, security controls, authentication, and access management
• Network Troubleshooting (24%) — identifying, isolating, and resolving network issues using a structured methodology

Career Impact

• Prepares you for roles such as Network Administrator, Network Technician, Help Desk Technician advancing into networking, NOC Technician, and Systems Administrator.

Learning Outcomes

• Explain networking models, number systems, and how core protocols map to the OSI layers.
• Calculate and implement IPv4 and IPv6 addressing schemes, including subnetting.
• Configure switches, routers, and VLANs to build reliable network topologies.
• Deploy and manage DNS, DHCP, and other core TCP/IP services.
• Install and troubleshoot physical cabling, Ethernet networks, and wireless networks.
• Apply virtualization, cloud computing, and data center concepts to modern network design.
• Monitor network operations, follow change-management processes, and apply structured troubleshooting methodology.
• Harden networks against common security threats using access controls and best practices.

Prerequisites

CompTIA recommends CompTIA A+ certification (or equivalent knowledge) and around nine months of networking experience before attempting the Network+ exam. This book is well suited for help desk and desktop support professionals moving into networking roles, as well as career changers building foundational networking skills.

About the Experts

Jonathan S. Weissman, MA, is a Principal Lecturer in the Department of Cybersecurity at Rochester Institute of Technology (RIT). That is the highest teaching rank in the department. He is also a tenured full professor at Finger Lakes Community College (FLCC).
Over more than two decades of teaching, Jonathan has earned 12 institutional teaching honors. These include the RIT Outstanding Teaching Award and the SUNY Chancellor’s Award for Excellence in Teaching. He developed three courses for the edX RITx Cybersecurity MicroMasters program, reaching more than 300,000 learners worldwide.
Jonathan holds a master’s degree in computer science from Brooklyn College. He also holds 47 industry certifications, including CCNP Enterprise, CCNA, CompTIA Network+, and CompTIA Security+. He has written four certification books, three of them on CompTIA Network+.

Mike Meyers, CompTIA A+, CompTIA Network+, MCP, is a bestselling author of CompTIA certification guides. His titles include eleven editions of the CompTIA A+ Certification All-in-One Exam Guide, eight editions of the CompTIA Network+ Certification Exam Guide, and two editions of the CompTIA Security+ Certification Guide.
Mike is a founder of Total Seminars, LLC, a major provider of PC and network repair seminars for thousands of organizations worldwide. He has written numerous other computer books and is a member of CompTIA.

Course Outline

This book is organized into 18 chapters covering every CompTIA Network+ (N10-009) exam objective.

1. OSI Model and Number Systems
2. Local Communication vs. Remote Communication, ARP, and ICMP
3. IPv4
4. Ports, Protocols, and Services
5. Routing
6. Switching
7. DNS and DHCP
8. IPv6
9. Cabling
10. Ethernet
11. Installing a Physical Network
12. Wireless Networking
13. Virtualization and Cloud Computing
14. Data Centers
15. Devices, Access, Management, and Monitoring
16. Processes and Procedures
17. Network Security and Troubleshooting
18. The Troubleshooting Methodology

Delivery Options

• eBook: Save time and start studying today with 3 years of access to your eBook copy via the Total Seminars Training Hub. Read on any device, 24 hours a day, 7 days a week — plus save on shipping and get immediate access to other Hub study materials as you read.
• Softcover: If you have the space, nothing beats the feel of a physical book or the experience of studying from words printed on paper.
• eBook + Softcover Combo: Get the best of both worlds — eBook access via the Training Hub plus a physical book for your desk.

Frequently Asked Questions

What is included with this book?
You’ll get complete coverage of the CompTIA Network+ (N10-009) exam objectives, plus free online simulations, over an hour of Mike Meyers video training, and Mike’s toolbox of favorite network security freeware and shareware.

How long do I have access to the eBook?
Three years from the date of purchase, via the Total Seminars Training Hub.

Can I get this book in print?
Yes. Choose Softcover for a physical book only, or the eBook + Softcover Combo for both formats.

What devices can I use to read the eBook?
The eBook is accessed through the Total Seminars Training Hub and works on any device with a web browser — no special software required.

Is this book aligned to the latest exam version?
Yes. This book is fully aligned to the current CompTIA Network+ (N10-009) exam objectives.

Can I use this for classroom or multi-user training?
Please call 877-687-2768 for discounted multi-user pricing. Single-user licenses are not valid for classroom use.

What happens after I purchase?
eBook: you’ll receive Hub login instructions by email. Softcover and Combo orders also include a shipping confirmation for your physical book.

Educators

Please call 877-687-2768 for discounted multi-user pricing. Single-user licenses are not valid for classroom use.

Order Process

• You’ll receive an email confirming your order.
• eBook access: log in at hub.totalsem.com — works on any device with a web browser, no special software required.
• Softcover and Combo orders: your physical book ships separately, and you’ll receive a shipping confirmation.
• eBook access duration: 3 years from the date of purchase.
• Questions? Contact support@totalsem.com.