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

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Front-End Web Development, Web Design and Development, Web Development, Web Development Tools, Web Applications, Web Content, Integrated Development Environments
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: MySQL, SQL, Relational Databases, Data Analysis, Computer Programming, Computer Science
Beginner · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, Test Case, Test Automation, Development Testing, Test Planning, Code Coverage, Software Quality Assurance, Functional Testing, Testability, Integration Testing, Test Data, Issue Tracking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), UI Components, Javascript and jQuery, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Browser Compatibility, Javascript, Typography, Web Analytics and SEO, Wireframing, Web Content Accessibility Guidelines, Logo Design
Mixed · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Agile Product Development, User Story, Design Thinking, Product Improvement, Agile Methodology, Agile Software Development, Product Design, Product Development, User Centered Design, User Research, Persona Development, Innovation, Product Management, Discussion Facilitation, Software Development, Testability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microarchitecture, Computer Architecture, Embedded Software, Embedded Systems, Hardware Architecture, System Requirements, Product Support, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Performance Tuning, System Programming, Software Development Tools, Embedded Systems, Microarchitecture, Software Development, Development Environment, Hardware Architecture, Debugging, Application Security, Secure Coding, Computer Architecture, C (Programming Language), System Configuration, Application Development, C++ (Programming Language), System Requirements, Product Support
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: JSON, jQuery, Web Development Tools, Browser Compatibility, UI Components
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Supervised Learning, Unsupervised Learning, Generative AI, Deep Learning, Image Analysis, Machine Learning Algorithms, Applied Machine Learning, Python Programming, Machine Learning, Artificial Neural Networks, Computer Vision, Computer Programming, Regression Analysis
Beginner · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Data Mining, Data Analysis, Statistical Analysis, Financial Data, Data Presentation, Data Processing, User Interface (UI), Object Oriented Programming (OOP), Pandas (Python Package), NumPy, Python Programming, Web Scraping, Data Manipulation, Matplotlib
Mixed · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Penetration Testing, General Networking, Cyber Security Assessment, Cybersecurity, Data Ethics, Computer Networking, Vulnerability Scanning, Network Security, System Configuration, Software Installation, Virtual Machines
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Technical Drawing, Engineering Drawings, Mechanical Drawings, Computer Aided Three-Dimensional Interactive Application (CATIA), Assembly Drawing, 3D Modeling, Mechanical Design, Drafting and Engineering Design, Computer-Aided Design, Visualization (Computer Graphics), File Management, Engineering Design Process, Interoperability
Beginner · Course · 1 - 3 Months