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: Vue.JS, Web Development Tools, Web Applications, Front-End Web Development, HTML and CSS, Javascript, Microsoft Visual Studio
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Google App Engine, Cloud Applications, Google Cloud Platform, Application Deployment, Cloud API, Platform As A Service (PaaS), Web Applications, Cloud Services, Flask (Web Framework), Data Access, Cloud Storage, Image Analysis
Beginner Ā· Project Ā· Less Than 2 Hours

Skills you'll gain: Data Lakes, Data Warehousing, Cloud Engineering, Google Cloud Platform, Data Infrastructure, Cloud Storage, Data Pipelines, Big Data, Data Processing, SQL, Scalability
Intermediate Ā· Course Ā· 1 - 3 Months

Scrimba
Skills you'll gain: User Interface (UI) Design, Color Theory, User Interface (UI), Typography, Web Design, HTML and CSS, Design Elements And Principles, Graphic and Visual Design
Intermediate Ā· Course Ā· 1 - 4 Weeks

The Pennsylvania State University
Skills you'll gain: Infectious Diseases, Epidemiology, Public Health and Disease Prevention, Microbiology, Public Health, Pathology, Immunology, Preventative Care, Sanitation, Social Determinants Of Health, Social Sciences, Community Health, Molecular, Cellular, and Microbiology, Medical Science and Research, Biology, Drug Development, Social Network Analysis, Case Studies
Mixed Ā· Course Ā· 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Wrangling, Data Import/Export, Data Collection, Data Management, Web Scraping, R Programming, MySQL, SQL, Application Programming Interface (API)
Mixed Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: NoSQL, Big Data, Data Pipelines, Databases, Real Time Data, Scalability, Distributed Computing, Data Processing, Database Architecture and Administration, Data Integrity, Machine Learning Algorithms, Machine Learning
Mixed Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Django (Web Framework), Server Side, Data Migration, Object-Relational Mapping, Full-Stack Web Development, Data Structures, Database Development, Database Management Systems, Relational Databases
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: 3D Modeling, Unreal Engine, Virtual Environment, Computer Graphics, Augmented and Virtual Reality (AR/VR), UI Components, Game Design, Animation and Game Design, Prototyping, User Interface (UI), Scalability, Performance Tuning, Design
Beginner Ā· Course Ā· 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Cloud Management, Cloud Computing, Cloud Infrastructure, Identity and Access Management, Application Deployment, Managed Services, Virtual Machines, Infrastructure as Code (IaC), User Accounts, System Monitoring, Cloud Storage, Network Administration
Intermediate Ā· Course Ā· 1 - 3 Months

Infosec
Skills you'll gain: Cybersecurity, Cyber Attacks, Incident Response, Security Management, Network Security, Security Information and Event Management (SIEM), Security Controls, Identity and Access Management, Cryptography, Threat Detection, Data Security, Computer Security, Encryption, Personally Identifiable Information, Data Governance, Firewall, Vulnerability Assessments, User Accounts, Authorization (Computing), Risk Management
Intermediate Ā· Course Ā· 3 - 6 Months

Google Cloud
Skills you'll gain: Email Security, Data Loss Prevention, Threat Management, Malware Protection, Personally Identifiable Information, Data Security, Google Workspace, Security Controls, Threat Detection
Beginner Ā· Course Ā· 1 - 4 Weeks