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: Cybersecurity, Threat Management, Security Controls, Cyber Security Strategy, Threat Detection, Cyber Security Policies, Security Awareness, Computer Security Awareness Training, Cyber Risk, Data Security, Network Security, Enterprise Security, Information Assurance, Incident Response, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Development Environment, .NET Framework, C# (Programming Language), Integrated Development Environments, Microsoft Visual Studio, Programming Principles
Beginner · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Sales Presentation, Presentations, Verbal Communication Skills, Public Speaking, Business Correspondence, English Language, Cultural Diversity, Professional Networking, Intercultural Competence, Communication, Cultural Sensitivity, Business Writing, Setting Appointments, Writing
Mixed · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: ISO/IEC 27001, Budget Management, Cybersecurity, Cyber Governance, Cyber Security Strategy, Leadership Development, Cyber Risk, Security Management, Information Systems Security, Business Strategies, Strategic Leadership, Leadership and Management, Risk Management, Business Metrics, Vendor Management, Team Leadership, Compliance Auditing, Business Communication, Information Technology, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Shiny (R Package), Ggplot2, Tidyverse (R Package), Data Visualization, Spatial Data Analysis, Statistical Visualization, Scatter Plots, Plot (Graphics), Dashboard, Data Import/Export, Interactive Data Visualization, R Programming, Data Visualization Software, Geospatial Information and Technology, Data Literacy, Statistical Reporting, Data Manipulation, Data Science, Data Analysis
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Performance Testing, Maintainability, Software Testing, Code Review, Software Technical Review, Security Testing, Test Planning, Software Quality (SQA/SQC), Test Case, Software Quality Assurance, Test Tools, Regression Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Amazon Web Services, Amazon S3, Cloud Hosting, Cloud Storage, Cloud Technologies, Infrastructure As A Service (IaaS), Public Cloud
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Billing, Billing & Invoicing, Cloud Computing, Identity and Access Management, Cost Management, Budget Management, General Networking, Virtual Machines, Infrastructure As A Service (IaaS), Cloud Storage, Scalability, Amazon CloudWatch, Cost Estimation, Software As A Service, Databases, Platform As A Service (PaaS), Database Management, Continuous Monitoring, Cost Reduction, Network Administration
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Javascript, Cross Platform Development, Web Applications, Node.JS, Web Development, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Communications, Communication Systems, Image Analysis, Telecommunications, Electrical and Computer Engineering, Embedded Systems, Electronics, Engineering Analysis, Applied Mathematics, Algorithms, Quantitative Research, Systems Of Measurement, Computer Hardware
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Tools, Test Automation, Test Planning, Scripting, Continuous Integration, CI/CD, Software Testing, Regression Testing, Software Technical Review, Test Case, Code Review, Continuous Delivery, Maintainability
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: File Systems, Operating Systems, OS Process Management, C (Programming Language), System Programming, Virtualization, Data Integrity, Debugging, Systems Design, Performance Tuning, Distributed Computing, Data Storage, Computer Systems, Command-Line Interface, Virtual Machines, Data Security, Computer Hardware, Scalability, Data Structures, Linux
Beginner · Specialization · 3 - 6 Months