Internet technology course

Lesson 1 • History and Evolution of the Internet

Traces the internet from early packet-switching networks to the modern web. Provides context for understanding why current protocols and architectures exist.

Lesson 2 • Data Transmission Fundamentals

Covers how data is broken into packets and routed across networks. Connects physical transmission concepts to higher-level protocols.

Lesson 3 • Network Types and Topologies

Distinguishes LAN, WAN, MAN, and other network types by scope and use. Prepares students to select appropriate network designs.

Lesson 1 • Routing Protocols and Path Selection

Covers how routers exchange topology information and select optimal paths. Builds on IP addressing to explain internet-scale routing decisions.

Lesson 2 • The OSI Reference Model

Introduces all seven OSI layers and their distinct responsibilities. Provides the analytical framework applied in every subsequent networking topic.

Lesson 3 • TCP/IP Protocol Suite

Details the four-layer TCP/IP model and its core protocols. Explains how TCP and UDP differ and when each is appropriate.

Lesson 4 • Application Layer Protocols

Examines protocols that directly support user-facing services such as web, email, and file transfer. Links protocol behavior to real application performance.

Lesson 1 • HTML, CSS, and JavaScript Roles

Defines the structural, presentational, and behavioral layers of web pages. Clarifies how each technology interacts without requiring deep coding skill.

Lesson 2 • Web Servers and Hosting Models

Compares dedicated, shared, virtual, and cloud hosting environments. Prepares students to evaluate hosting options for different workloads.

Lesson 3 • APIs and Web Services

Introduces REST and other API paradigms that power modern web applications. Connects API concepts to integration and automation tasks.

Lesson 4 • How Browsers Work

Explains browser rendering pipelines from URL entry to painted page. Grounds later discussions of performance and security in browser internals.

Lesson 1 • Common Internet Threats

Surveys malware, phishing, DDoS, and injection attacks with real-world examples. Builds threat awareness needed to justify security investments.

Lesson 2 • Core Security Concepts

Establishes the CIA triad and key security terminology used throughout the field. Creates a shared vocabulary for evaluating threats and controls.

Lesson 3 • Security Monitoring and Incident Response

Introduces log analysis, intrusion detection, and structured incident handling. Equips students to detect anomalies and respond systematically.

Lesson 4 • Firewalls, VPNs, and Access Control

Covers perimeter and host-based controls that restrict unauthorized access. Prepares students to configure and evaluate common protective mechanisms.

Lesson 1 • Virtualization and Containerization

Covers hypervisors, virtual machines, and containers as infrastructure building blocks. Prepares students to understand modern deployment pipelines.

Lesson 2 • Content Delivery Networks

Explains how CDNs cache and distribute content globally to reduce latency. Links CDN architecture to web performance and availability goals.

Lesson 3 • Scalability and High Availability

Introduces load balancing, auto-scaling, and redundancy patterns for resilient systems. Connects infrastructure design to uptime and performance SLAs.

Lesson 4 • Cloud Deployment Models

Compares public, private, hybrid, and multi-cloud deployments by cost, control, and compliance. Connects deployment choice to organizational risk tolerance.

Lesson 1 • Configuration Management

Explains version control for device configurations and change management practices. Reduces configuration drift and supports rapid recovery from errors.

Lesson 2 • Network Monitoring Fundamentals

Introduces SNMP, flow data, and performance metrics used to observe network health. Establishes baselines needed for effective troubleshooting.

Lesson 3 • Diagnostic Tools and Techniques

Covers command-line and GUI tools for isolating network faults at each OSI layer. Builds hands-on diagnostic skills applicable to real environments.

Lesson 4 • Troubleshooting Methodology

Applies a structured top-down and bottom-up approach to diagnosing complex faults. Integrates tools and concepts from earlier sections into a repeatable process.

Lesson 1 • IoT Architecture and Protocols

Defines IoT layers from sensors to cloud and the protocols connecting them. Builds a framework for analyzing IoT system design.

Lesson 2 • IoT Security Challenges

Identifies unique vulnerabilities in resource-constrained IoT devices and networks. Extends core security concepts to the IoT context.

Lesson 3 • Wireless Networking Standards

Surveys Wi-Fi generations, Bluetooth, and cellular standards by speed and range. Provides the technical basis for selecting wireless technologies.

Lesson 1 • Emerging Internet Technologies

Surveys quantum networking, satellite internet, and AI-driven network management. Equips students to evaluate disruptive technologies entering the field.

Lesson 2 • Edge and Fog Computing

Examines processing data near its source to reduce latency and bandwidth consumption. Positions edge computing within the broader cloud-to-device continuum.

Lesson 3 • IPv6 Adoption and Future Addressing

Details IPv6 address structure, transition mechanisms, and deployment challenges. Prepares students for networks where IPv6 is the primary protocol.

Lesson 4 • Software-Defined Networking

Explains the separation of control and data planes and the role of SDN controllers. Connects SDN to programmable, automated network management.