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

Skills you'll gain: Network Troubleshooting, OSI Models, Wireless Networks, Network Security, Network Protocols, TCP/IP, Network Administration, General Networking, Network Infrastructure, Computer Networking, Network Architecture, Network Routers, Cloud Computing, Networking Hardware, Command-Line Interface, Cybersecurity, Network Switches, Network Analysis
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Microsoft Word, Computer Literacy, Microsoft 365, Productivity Software, Writing, Business Writing, Document Management, Editing
Beginner · Guided Project · Less Than 2 Hours

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Technical Design, Assembly Drawing, Engineering Drawings, Engineering Design Process, Technical Drawing, Mechanical Design, Mechanical Engineering, Design Elements And Principles
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Jenkins, Selenium (Software), Apache Maven, CI/CD, Object Oriented Programming (OOP), JUnit, Java, Software Design Patterns, Test Automation, Software Testing, Maintainability, Test Tools, Test Case, Browser Compatibility, Software Design
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Java, Teaching, Program Development, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Integrated Development Environments, Computational Logic, Algorithms
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Database Systems, Microsoft Azure, Databases, Relational Databases, MySQL, SQL, Database Management, NoSQL, Cloud Services, PostgreSQL, Data Storage Technologies, Data Security, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Penetration Testing, Identity and Access Management, Vulnerability Assessments, Cloud Security, Amazon Elastic Compute Cloud, Cloud API, Exploitation techniques, Cyber Security Policies, Amazon S3, Scenario Testing, Command-Line Interface, Cloud Storage
Intermediate · Course · 1 - 4 Weeks

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

EDUCBA
Skills you'll gain: Color Theory, Cascading Style Sheets (CSS), Typography, HTML and CSS, Extensible Markup Language (XML), Web Design, Web Content Accessibility Guidelines, Semantic Web
Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon CloudWatch, AWS CloudFormation, Cloud Management, Infrastructure as Code (IaC), Amazon S3, Amazon Elastic Compute Cloud, AWS Identity and Access Management (IAM), Multi-Tenant Cloud Environments, System Monitoring, Configuration Management, Performance Tuning, Security Controls
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Full-Stack Web Development, Application Design, Software Design Documents, React.js, Package and Software Management, Web Development, Version Control, Web Development Tools, Jest (JavaScript Testing Framework), Web Content Accessibility Guidelines, Application Deployment, Software Architecture, Front-End Web Development, Technical Documentation, Performance Tuning, Software Testing, Javascript, UI Components, Application Performance Management, Dataflow
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Presentations, Marketing Design, Marketing Materials, Social Media Content, Promotional Materials, Social Media, Content Creation, Content Marketing, Marketing, Graphic Design, Data Visualization, Business Correspondence, Business Communication, User Accounts
Beginner · Guided Project · Less Than 2 Hours