Computer network courses can help you learn about network architecture, protocols, security measures, and troubleshooting techniques. You can build skills in configuring routers and switches, managing firewalls, and optimizing network performance. Many courses introduce tools like Wireshark for packet analysis, Cisco Packet Tracer for simulation, and various network monitoring software, allowing you to apply your knowledge in practical scenarios and enhance your technical expertise.

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploitation techniques, Cyber Security Assessment, Unix, Vulnerability Assessments, Unix Commands, Unix Shell, System Programming, Shell Script, Linux, Debugging, Linux Commands, Computer Architecture, Authentications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Python Programming, Data Manipulation, Programming Principles, Computer Programming, Software Installation, Development Environment, Jupyter, Integrated Development Environments
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Graph Theory, Data Structures, Microsoft Copilot, .NET Framework, Algorithms, Back-End Web Development, C# (Programming Language), Performance Tuning, Programming Principles, Server Side, Scalability, Application Performance Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Docker (Software), Containerization, Linux, Network Troubleshooting, Linux Servers, Ansible, Kubernetes, Authentications, Infrastructure as Code (IaC), Network Administration, System Configuration, Remote Access Systems, Multi-Factor Authentication, Network Protocols, Network Security, Security Controls, Firewall, Web Servers, Encryption
Advanced · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Application Security, Secure Coding, Security Testing, Vulnerability Scanning, Security Controls, Intrusion Detection and Prevention, Security Awareness, Web Applications, Browser Compatibility, Computer Programming
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Persuasive Communication, Enterprise Sales, Stakeholder Communications, Global Marketing, Value Propositions, Milestones (Project Management)
Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Pseudocode, Theoretical Computer Science, Computer Programming
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Cybersecurity, Network Security, Information Systems Security, Cyber Threat Intelligence, Deep Learning, Applied Machine Learning, Responsible AI, Intrusion Detection and Prevention, Fraud detection, Malware Protection, Natural Language Processing, Artificial Intelligence, Anomaly Detection, Machine Learning, Classification Algorithms, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Content Creation, Social Media, Creative Design, Graphical Tools, Design, Graphic Design, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Structures, Python Programming, Programming Principles, User Interface (UI), Computer Programming, Scripting, Software Engineering, Performance Tuning, Scripting Languages, Web Development, Computational Thinking, Debugging, Random Forest Algorithm, Software Development, Web Development Tools
Beginner · Specialization · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Applied Mathematics, Operations Research, Mathematical Modeling, Enterprise Modeling, Network Model, Statistical Modeling, Combinatorics, Functional Design, Mathematical Software, Computational Thinking, Graph Theory, Algorithms, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Selenium (Software), Software Testing, Security Testing, Test Automation, Performance Testing, Functional Testing, Test Script Development, Test Tools, Test Execution Engine, Test Planning, Application Security, Mobile Development, Browser Compatibility
Intermediate · Course · 1 - 4 Weeks