Computer network courses can help you learn how data moves between devices, how networks are structured, and how to keep them secure and efficient.

The Hong Kong University of Science and Technology
Skills you'll gain: OSI Models, Computer Networking, Teaching, Student Engagement, Network Protocols, Pedagogy, Multimedia, Cultural Diversity, Music, Storytelling
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Validation, Document Management
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Dental Procedures, Dentistry, Dental Care, Oral and Dental Care, Oral Health, Disabilities, Biomedical Technology, Emerging Technologies, Digital Transformation, Medical Imaging, Health Care, Computer-Aided Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Secure Coding, Application Programming Interface (API), API Design, Authentications, Server Side, MongoDB, Restful API, Full-Stack Web Development, Development Environment, Back-End Web Development, Package and Software Management, Database Development, Databases, Middleware, Authorization (Computing), JSON, User Accounts, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IntelliJ IDEA, Integrated Development Environments, Java, Development Environment, Debugging, Object Oriented Programming (OOP), Programming Principles
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Git (Version Control System), DevOps, Version Control, Software Development, Development Environment, Software Development Tools, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Application Security, Information Systems Security, Software Installation, System Configuration, Data Management, Computer Hardware, Data Security, Data Storage, Microsoft Windows, Firewall, Disaster Recovery, Encryption, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Pedagogy, Course Development, Instructional and Curriculum Design, Instructional Strategies, Student Engagement, Educational Materials, Innovation, Curriculum Planning, Student-Centred Learning, Learning Theory, Open Source Technology, Learning Strategies
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Typography, Web Design, Maintainability, Debugging, User Interface (UI), Semantic Web, Color Theory
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Software Design Patterns, Functional Design
Intermediate · Course · 3 - 6 Months
Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, AWS SageMaker, Generative AI Agents, Generative AI, Amazon Web Services, Solution Architecture, Artificial Intelligence, Data Quality, Computer Vision, Scalability, Data Pipelines, Natural Language Processing, Personally Identifiable Information
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Transportation Operations, Network Routing, Supply And Demand, Network Analysis, Operations Research, Network Model, Mathematical Modeling, Capacity Management, Behavioral Economics, Game Theory, Economics, Algorithms, Applied Mathematics
Beginner · Course · 1 - 3 Months