Beginner Module B4
Networking Basics
Learn how devices connect, how information moves, and how defenders think about networks using safe diagrams, fake traffic examples, and beginner-friendly defensive decisions.
Module Snapshot
Module Mission
See the path information takes.
Beginner networking is about understanding connection paths, not attacking or testing systems. Students learn how devices communicate, why names and addresses matter, and how safer network choices protect people, schoolwork, accounts, and devices.
Safety Reminder
Students should never scan, probe, monitor, or test real networks. These lessons use fake diagrams, fictional addresses, and safe explanations only.
Visual Framework
Simple network communication path
A network request usually passes through multiple layers. Defenders use diagrams to understand the path before they make decisions.
Device
A laptop, tablet, printer, or server starts the request.
Local Network
The request moves across home Wi-Fi, school Wi-Fi, or a computer lab network.
Router
The router helps send traffic toward the correct outside destination.
DNS
DNS helps translate a website name into a network destination.
Destination
The request reaches the website, service, printer, or classroom platform.
Fake Log Panel
Classroom Network Events
This panel is fictional. It helps students practice reading events without touching a real network.
Learning Path
B4 Lessons
Each lesson uses safe network diagrams, fake device examples, fictional logs, and defensive decision checks to build beginner networking confidence.
B4.1
Lesson 1
What a Network Is
Understand networks as groups of devices that share information using agreed rules and safe connection paths.
Safe Lab
Build a fake classroom network map and label which devices communicate with each other.
B4.2
Lesson 2
IP Addresses and Network Identity
Learn how IP addresses help devices identify where information should go on a network.
Safe Lab
Review fake device address cards and match them to a safe network diagram.
B4.3
Lesson 3
Routers, Switches, and Wi-Fi
Explain how common network devices help traffic move inside homes, schools, and organizations.
Safe Lab
Analyze a fake school network cabinet and decide which device role matches each connection.
B4.4
Lesson 4
DNS and Website Names
Understand DNS as the system that helps turn readable website names into network destinations.
Safe Lab
Trace a safe fake website-name lookup from browser request to destination answer.
B4.5
Lesson 5
Packets and Network Traffic Concepts
Learn how information is broken into smaller pieces and why defenders care about traffic patterns.
Safe Lab
Review a fake packet-flow timeline and identify what looks normal, delayed, or blocked.
B4.6
Lesson 6
Home, School, and Public Network Safety
Compare network environments and choose safer behavior for home, school, guest, and public Wi-Fi.
Safe Lab
Choose safe actions for fake network scenarios involving cafés, school Wi-Fi, and home routers.
B4.7
Lesson 7
Network Diagram Review Lab
Apply beginner networking concepts by reading and improving a safe fake network diagram.
Safe Lab
Complete a fake network review and write a short defender recommendation.
Objectives
By the end, students can:
Explain what a network is and why devices need rules to communicate safely.
Describe beginner IP address, DNS, router, switch, and Wi-Fi concepts without unsafe testing.
Read simple network diagrams and identify how information moves between devices.
Compare home, school, and public networks using safer decision-making.
Use fake evidence to reason about traffic flow, connection problems, and defensive next steps.
Module Assessment
B4 Module Test
The module ends with a 25-question scored test covering network vocabulary, IP and DNS basics, routers, switches, Wi-Fi, packet flow, diagrams, and safe network decisions. Answers and explanations stay hidden until submission.
Open Module Test →