CompTIA® Network+® N10-009 Certification Guide Master networking fundamentals and pass the N10-009 exam the first time

Get 100% coverage of the latest CompTIA Network+ N10-009 exam objectives for targeted preparation and unlock online access to 2 full-length mock exams and 400 challenging practice questions
Key Features
Learn from Ian Neil, bestselling author and world-class CompTIA trainer
Build a solid foundation in networking with hands-on skills that advance your career
Test your readiness with practice tests that mirror the real exam
Save on certification costs with an exclusive 12% Network+ exam discount voucher with this book
Book Description
Looking to pass the CompTIA Network+ N10-009 exam and advance your IT career? Employers seek certified professionals who can design, secure, and troubleshoot modern networks. Memorizing concepts won't cut it-you need a practical grasp of networking concepts, and this guide helps you build exactly that. Ian Neil, bestselling author of some of the most trusted CompTIA certification resources and a world-class CompTIA trainer, provides 100% coverage of all N10-009 exam objectives.
You'll start with the networking fundamentals, including the OSI model, topologies, ports, and protocols, then progress to configuring IPv4/IPv6 addressing, routing, switching, VLANs, and wireless networks. You'll master transmission media and transceivers and strengthen your security expertise with VPNs, IPSec, NAC, IDS/IPS, Zero Trust, and firewalls.
Beyond exam prep, this book explores cloud, virtualization, IoT, SDN, and SD-WAN, ensuring you're prepared for modern IT environments. It helps build your troubleshooting skills using tools such as SNMP, NetFlow, Wireshark, log analysis, and traceroute.
With practice questions across 25 chapters, 2 full-length online mock exams, 400 exam-style questions, and a 12% exam discount voucher, this guide equips you with the knowledge, experience, and confidence to earn your Network+ certification on the first try.
What you will learn
Map OSI layers and TCP/IP protocols to real-world scenarios
Configure routers, switches, and firewalls using IPv4/IPv6 addressing
Apply cloud, virtualization, and SD-WAN concepts with VPC and Direct Connect
Recognize common ports and protocols such as DNS, DHCP, SNMP, and HTTPS
Implement wireless standards (802.11ax/6E), WPA3, and cellular IoT
Design resilient topologies like star, mesh, and spine-leaf architectures
Secure networks with VPNs, IPSec, NAC, and zero trust principles
Troubleshoot using SNMP, NetFlow, packet capture, and traceroute
Who this book is for
This book is for early-career IT professionals preparing for the CompTIA Network+ (N10-009) certification, including network administrators, help desk technicians, and junior systems engineers. Candidates are expected to have 9-12 months of hands-on networking experience and a solid understanding of basic IT concepts, though this guide could also be useful for students and career changers who want to build their foundational networking skills. It's also valuable for those pursuing further certifications like CompTIA Security+ or vendor-specific networking tracks.
Table of Contents
Explain Concepts Related to the Open System Interconnection (OSI) Reference Model
Compare and Contrast Networking Appliances, Applications, and Functions
Summarize Cloud Concepts and Connectivity Options
Explain Common Networking Ports, Protocols, Services, and Traffic Types
Compare and Contrast Transmission Media and Transceivers
Compare and Contrast Network Topologies, Architectures, and Types
Given a Scenario, Use Appropriate IPv4 Network Addressing
(N.B. Please use the Read Sample option to see further chapters)

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