Skip to Course Content

CompTIA Network+ Preparation

Understand the Connection. Keep the Network Working.

Move from the OSI model and infrastructure into routing, wireless, cloud connectivity, monitoring, security, and structured troubleshooting.

30 days free, then $69/month. Cancel before the trial ends to avoid a charge.

$179 Course Access · 12 Months · Self-Paced Learning

Network Essentials course hero
CompTIA Network+ certification logo
Course Access
12 monthsof full access

Explore all 10 courses with the 30 day Academy Pass trial.

28Detailed Lessons
112Guided Sections
12 MonthsIndividual Course Access
24/7Self-Paced Study

Your Learning Foundation

Network Essentials Course Overview

CONNECT

Understand the Network

Connect layers, protocols, addressing, media, devices, and traffic behavior into one practical network model.

IMPLEMENT

Build the Infrastructure

Work through routing, switching, wireless, network services, and the choices that shape connectivity.

OPERATE

Monitor and Maintain

Use documentation, monitoring, availability, and operational processes to support dependable network service.

PROTECT

Troubleshoot and Secure

Connect security controls, symptoms, diagnostic tools, and a structured troubleshooting method.

Network Essentials learning and professional practice
28 Lessons · 112 Sections · One Connected Learning Path

Skills You Can Put to Work

See the Network as a Connected System

Move from individual terms to the way traffic, devices, services, security, and operations work together. The curriculum connects networking concepts to implementation, daily operation, and evidence-based troubleshooting.

Explain How Traffic Moves

Connect the OSI model, protocols, addressing, ports, and network devices to the path a communication follows.

Compare Infrastructure Choices

Work through wired, wireless, virtual, cloud, routing, and switching concepts in context.

Support Network Operations

Use monitoring, documentation, change awareness, and availability practices to understand the operating environment.

Investigate Connectivity Problems

Use symptoms, tools, testing, and verification to identify a supported next step.

Your Complete Course Map

See How the Course Fits Together.

Move from the OSI model and infrastructure into routing, wireless, cloud connectivity, monitoring, security, and structured troubleshooting.

Three professionals walking and talking.
Domain 18 Lessons · 288 Activities

Networking Concepts

Work through 8 lessons in Networking Concepts, then connect the topics through flashcards, practice, and targeted review.

  • OSI Model and Encapsulation
  • Network Appliances, Applications, and Functions
  • Cloud Networking and Connectivity
Explore Domain 1
Professional sharing an idea at a team meeting.
Domain 26 Lessons · 216 Activities

Network Implementation

Work through 6 lessons in Network Implementation, then connect the topics through flashcards, practice, and targeted review.

  • Routing Fundamentals and Dynamic Protocols
  • Route Selection, Address Translation and Gateway Resilience
  • VLANs, Trunks, and Switch Interfaces
Explore Domain 2
Professional smiling in an office.
Domain 36 Lessons · 216 Activities

Network Operations

Work through 6 lessons in Network Operations, then connect the topics through flashcards, practice, and targeted review.

  • Documentation, Change, and Network Lifecycle
  • Network Monitoring and Operational Evidence
  • Disaster Recovery and High Availability
Explore Domain 3
Professional in a suit seated by a window.
Domain 43 Lessons · 108 Activities

Network Security

Work through 3 lessons in Network Security, then connect the topics through flashcards, practice, and targeted review.

  • Network security fundamentals and IAM
  • Network attacks and their impact
  • Network hardening, segmentation, and access control
Explore Domain 4
Professional walking outside an office building.
Domain 55 Lessons · 180 Activities

Network Troubleshooting

Work through 5 lessons in Network Troubleshooting, then connect the topics through flashcards, practice, and targeted review.

  • Troubleshooting methodology and evidence
  • Cabling, optics, power, and interface faults
  • Switching, routing, and network-service faults
Explore Domain 5

A Connected Learning Process

Turn Network Symptoms Into a Supported Next Step

Professional holding notes in a bright workplace.

Define the Impact

Identify affected users, services, connections, and recent changes before adjusting the network.

Professional working on a laptop at a desk.

Trace the Path

Connect physical links, addressing, switching, routing, services, and destination behavior.

Hands typing on a laptop.

Gather Network Evidence

Use the appropriate tools, monitoring, configurations, and observed symptoms.

Colleagues working with laptops around a desk.

Test and Resolve

Compare likely causes, make a controlled change, and check the resulting connectivity.

Hands arranging planning charts on a wall.

Verify and Record

Confirm service, document the result, and preserve information that improves future troubleshooting.

From Understanding to Application

Practice the Work Behind Reliable Connectivity

Professional working at two computer monitors.
NETWORK DESIGN

Explain the Traffic Path

Connect network components and services to the way communication moves through the environment.

  • Identify links, devices, and services
  • Connect addressing to delivery
  • Explain routing and switching behavior
Professional celebrating with a laptop in a yellow chair.
OPERATIONS

Read the Network Evidence

Use documentation and monitoring to distinguish expected behavior from a problem that needs attention.

  • Review performance and availability
  • Compare observations with the baseline
  • Identify the next useful check
Professional in a dark suit against a blue background.
TROUBLESHOOTING

Defend the Next Action

Use structured diagnosis instead of changing several unrelated settings at once.

  • State the working explanation
  • Select an appropriate test
  • Verify and document the result

Different Contexts. Connected Skills.

Connect Design, Operations, and Troubleshooting.

Two colleagues reviewing a tablet together.
INFRASTRUCTURE

Build the Connection

Study addressing, devices, media, wireless, routing, switching, and the services that enable communication.

  • Understand network components
  • Compare implementation choices
  • Connect the design to its purpose
Professional considering information on a tablet.
DAILY OPERATIONS

Keep Service Understandable

Work with documentation, monitoring, performance, availability, and planned operational activity.

  • Read the network baseline
  • Track changes and dependencies
  • Support reliable operations
Professional holding a tablet outside a city office.
SECURITY AND RESPONSE

Investigate With Context

Connect threats, controls, connectivity symptoms, and diagnostic tools before making a change.

  • Identify exposure and impact
  • Use a structured troubleshooting method
  • Verify the restored service

Inside Your Student Center

See Your CompTIA Network+ Study Routine Come Together.

Follow your course in the Cyber Brain Academy Student Center. Find a topic, organize your study time, keep useful notes, and plan what comes next.

Network Essentials · Student Center TourCaptioned Walkthrough · No Audio Required

Jump to a Chapter

Stay With Your Topic

Keep your course in view while you move between learning resources and focused review.

Give Each Session a Plan

Use your study plan and calendar to turn available time into an intentional next step.

Make Review More Useful

Keep your notes, review your progress, and organize the topics that need more attention.

Explore the Learning Environment for Yourself.

All 10 courses with Academy Pass. 30 days free, then $69/month unless canceled.

Academy Pass

Built for Active Learning

Everything You Need to Learn.

Move from explanation into retrieval, applied practice, and focused review. Your course resources and Student Center tools help turn available study time into a clear next step.

Two colleagues reviewing a tablet together.
One Connected Learning Environment

Learn the Topic. Test Your Understanding. Keep Moving.

Connect network evidence to a clear technical explanation and response.

Use lessons, flashcards, practice, notes, and your study plan without losing the connection between the topic and your next review.

Network Essentials guided learning

28 Guided Lessons

Work through Network Essentials in an organized sequence with clear topics, detailed explanations, and connected review.

Team reviewing printed documents and laptops.

Section-by-Section Review

Use the lesson structure and Scenario Quiz activities to revisit concepts and check how well you can connect them.

Colleagues speaking in a bright office.

Applied Practice

Move beyond recall with practice connected to the lesson topic and the decisions the curriculum helps you understand.

A team gathered around a laptop.

Topic-Based Flashcards

Review terminology, distinctions, and relationships in focused sessions that connect to what you are learning.

Network Essentials study and review

Your Study Tools, Together

Keep notes, review course progress, and organize your time with the Student Center study plan and exam-preparation tools.

Complete Curriculum Browser

See Exactly What You Will Learn

Explore all 28 lessons. Filter the course domains, search a topic, and open the section lists to see the chapter-level detail.

28 Lessons112 Guided Sections1008 Chapter-Level Activities5 Course Domains
28 Lessons

You Have Seen the Depth

Make Your Next Step a Clear One.

Start with the Academy Pass 30 Day Free Trial or open the complete 12-month course.

Academy Pass

A Flexible Study Roadmap

Build Network Understanding in Focused Stages

Professional smiling at a desk.
FOUNDATIONS

Understand Layers and Traffic

Start with models, protocols, addressing, ports, devices, and the relationships behind network communication.

Colleagues smiling while reviewing a laptop.
IMPLEMENTATION

Connect Infrastructure and Services

Work through wired and wireless networking, routing, switching, and service configuration concepts.

Smiling student against a pink background.
OPERATIONS

Monitor the Working Environment

Bring documentation, monitoring, availability, and operational processes into the network picture.

Colleagues discussing code at a desktop computer.
SECURITY AND TROUBLESHOOTING

Practice a Complete Diagnosis

Connect network security, symptoms, diagnostic tools, and verification in a structured process.

Built for Your Next Step

Find Your Starting Point

Your Starting Point

Build a Routine That Fits Your Next Step.

Use four quick questions to organize your CompTIA Network+ preparation. Your result suggests a study approach, not an exam-eligibility or certification decision.

Explore the Complete Curriculum
1. How Familiar Are You With This Subject?
2. How Do You Prefer to Build Understanding?
3. How Much Time Can You Protect Each Week?
4. What Is Your Immediate Goal?

Flexible Access and Support

Build a Learning Routine That Fits Your Life.

Study independently with 12 months of course access, explore all 10 courses with Academy Pass, or discuss enrollment for your organization.

Professional presenting information to colleagues.
Complete Course

12 Months of Full Access

Build your CompTIA Network+ routine with 28 lessons, flashcards, practice, and the Student Center. Study at your own pace and return to the topics you need to review.

Get Course Access
Colleagues meeting around a conference table.
Every Course in One Membership

Academy Pass

Explore all 10 courses, keep your study tools together, and build the routine that fits your next step. The 30 day trial continues at $69/month unless canceled.

Academy Pass
Colleagues in conversation outside an office.
Organizational Enrollment

Teams, Employers, and Institutions

Give your organization a connected learning path. Discuss the course, enrollment options, and how the Student Center can support your learners.

Request Program Guidance

Start Learning

Start Here. Keep Your Options Open.

Focus on CompTIA Network+ with 12 months of course access, or get Academy Pass and explore all 10 professional paths in one learning environment.

12 Months of Course Access

CompTIA Network+ Preparation

$179one-time payment

Full access to Network Essentials for 12 months.

  • 28 Detailed Course Lessons
  • 112 Guided Sections
  • Lesson-Connected Flashcards
  • Applied Practice and Review
  • Student Center Study Tools
  • Notes and Progress Tools
  • 12 Months of Self-Paced Access
Get CompTIA Network+ Course Access · $179

Course access does not award the certification or guarantee an examination result. Exam vouchers and testing fees are separate.

Flexible Monthly Access

Academy Pass Monthly Membership

$69/month

All 10 courses while subscribed. Billed monthly. Cancel anytime.

Start Monthly Membership

A Focused Study Window

Academy Pass 120 Day Access

$189one-time payment

All 10 courses for 120 days. No automatic renewal.

120 Day Access

Questions Before Enrollment

Know What You Are Getting

Review the course scope, learning resources, access options, and certification-preparation details.

Talk With Cyber Brain Academy
What Is Included in This Course?

The course includes 28 lessons organized into 112 sections, with lesson-connected flashcards, practice, and Student Center study tools. The curriculum browser shows every lesson and its available section and chapter titles.

How Is the Course Organized?

The course follows these areas: Networking Concepts; Network Implementation; Network Operations; Network Security; Network Troubleshooting.

What Is Included With Academy Pass?

Academy Pass brings all 10 Cyber Brain Academy courses into one membership, with lessons, flashcards, practice, and the Student Center. Monthly, annual, 120 day access, and 30 day trial options appear in the pricing section.

Where Should I Start?

Familiarity with everyday IT devices and operating systems is useful. The course begins with network concepts before moving into implementation, operations, security, and troubleshooting.

Can I See the Curriculum Before Enrolling?

Yes. Browse every lesson, filter the course areas, and open the section lists to review chapter titles. Use the Student Center video to see how the learning environment fits together.

How Long Does Course Access Last?

The individual course purchase includes 12 months of self-paced access. Academy Pass access follows the membership or access period selected at checkout.

Is an Exam Voucher Included?

Exam registration, exam vouchers, and testing fees are separate unless the specific checkout offer states otherwise. Course access is certification-preparation training, not certification itself.

Can I Study on a Phone or Tablet?

The course page and Student Center navigation support desktop, tablet, and mobile study. Use your preferred device to plan sessions, move through topics, and return to your course resources.

Can an Organization Enroll a Team?

Cyber Brain Academy offers organizational enrollment options. Use the program-guidance link to discuss the course and the learning needs of your team.

Does Completing the Course Award the Certification?

No. Completing this course does not award CompTIA Network+ or guarantee an examination result. Certification is administered separately by the credentialing organization.

Your Next Step Starts Here

Understand the Network Behind Every Connection.

Explore the complete 28-lesson curriculum. Get 12 months of access to Network Essentials, or open all 10 courses with Academy Pass.

Explore Academy Pass

Smiling student against a golden yellow background.
$179Academy PassCourse Access