CompTIA Network+™ Certification All-in-One Exam Guide, Ninth Edition (Exam 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 S. Weissman wrote it, with Mike Meyers serving as Series Expert. It is built for help desk and desktop support professionals moving into networking, and for anyone preparing for a networking role.

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
• Ninth Edition, 18 chapters from the OSI model through troubleshooting
• Free online simulations
• One hour+ of Mike Meyers video training
• Mike’s toolbox of favorite network security-related freeware and shareware
• Available as an eBook, a softcover, or an eBook + softcover combo
• eBook access: three years from the date of purchase, via the Total Seminars Training Hub

Certification Alignment

The book covers the five official domains of the CompTIA Network+ N10-009 exam.

• 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

Network Troubleshooting carries the heaviest weight at 24%, with Networking Concepts next at 23%. The exam has a maximum of 90 questions in 90 minutes, and you pass at 720 on a scale of 100 to 900.

Career Impact

Network+ is the vendor-neutral networking certification employers look for when hiring for infrastructure and support roles.

• Prepares you for roles such as Network Administrator, Network Technician, NOC Technician, and Systems Administrator
• Helps Help Desk Technicians advance into networking roles
• Maps to NICE and DoD 8140 work roles, which many government and contractor positions require
• Leads naturally to CompTIA Security+ as your next certification

Learning Outcomes

By the end of this book, you can do the following.

• 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

Table of Contents

18 chapters covering every CompTIA Network+ (N10-009) exam objective.

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

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 get the full CompTIA Network+ Certification All-in-One Exam Guide, Ninth Edition in your chosen format. Your purchase also unlocks free online simulations, more than an hour of Mike Meyers video training, and Mike’s toolbox of favorite network security-related freeware and shareware.

Which exam does this book cover?

CompTIA Network+, exam code N10-009. The book covers all five official domains.

Can I get this book in print?

Yes. Choose the softcover, or the combo if you want both the printed book and the eBook.

How long do I have access to the eBook?

Three years from the date of purchase, through the Total Seminars Training Hub.

Can I download the eBook?

No. You read it online at the Total Seminars Training Hub, where you can access each chapter 24 hours a day.

What devices can I use to read the eBook?

The eBook works on any device with a web browser — no special software required.

What is the Network+ exam like?

The N10-009 exam has a maximum of 90 questions, including multiple-choice and performance-based questions, and runs 90 minutes. You pass at 720 on a scale of 100 to 900.

Is this book aligned to the latest exam version?

Yes. This edition is written to the current N10-009 objectives and covers all five official domains.

Can I use this for classroom or multi-user training?

Single-user licenses cover individual use only, so they are not valid for classroom instruction. Please call 877-687-2768 for discounted multi-user pricing.

What happens after I purchase?

You’ll receive an order confirmation email immediately. For the eBook, a second email arrives with your Total Seminars Training Hub login. For the softcover or combo, you’ll also receive a shipping confirmation when your book goes out. If nothing arrives within 30 minutes, check your spam folder or contact support@totalsem.com.

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: three years from the date of purchase.
• Questions? Contact support@totalsem.com.