Computer network courses can help you learn about network architecture, protocols, security measures, and troubleshooting techniques. You can build skills in configuring routers and switches, managing firewalls, and optimizing network performance. Many courses introduce tools like Wireshark for packet analysis, Cisco Packet Tracer for simulation, and various network monitoring software, allowing you to apply your knowledge in practical scenarios and enhance your technical expertise.

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Exploitation techniques, Cyber Security Assessment, Vulnerability Assessments, Mobile Security, Open Web Application Security Project (OWASP), Cloud Security, Threat Modeling, Infrastructure Security, Application Security, Network Security, Scripting, Technical Communication
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Cybersecurity, Computer Security, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Security Policies, Threat Management, Cyber Risk, Threat Detection, Cyber Security Assessment, Network Security, Application Security, Risk Management, Data Security, Information Privacy, Vulnerability Assessments, Business Economics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JSON, API Testing, Restful API, Software Quality Assurance, Software Engineering, Test Script Development, Java, Data Mapping, Software Testing, Test Case, Test Data
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Test Script Development, Performance Testing, Test Tools, Test Data, Scripting, Distributed Computing, Software Installation, System Monitoring, Servers
Intermediate · Course · 3 - 6 Months
Skills you'll gain: GitHub, Django (Web Framework), Git (Version Control System), Application Deployment, Unit Testing, Cloud Deployment, Database Development, Bootstrap (Front-End Framework), Model View Controller, Virtual Environment, Application Frameworks, PostgreSQL, HTML and CSS, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, PySpark, Applied Machine Learning, Big Data, Machine Learning Methods, Data Storage Technologies, Data Preprocessing, Data Storage, Machine Learning Algorithms, Machine Learning, Distributed Computing, Data Processing, Data Science, Statistical Methods, Model Evaluation, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Typography, Creative Design, Logo Design, Style Guides, Graphic and Visual Design, Marketing Design, Color Theory, Brand Strategy, Branding, Competitive Analysis, Social Media Content
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, Application Deployment, Mobile Development
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Javascript, Frontend Performance, Web Development Tools, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Combinatorics, Mathematical Theory & Analysis, Advanced Mathematics, Graph Theory, Theoretical Computer Science, Calculus, Probability, Computational Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, UI Components, User Interface (UI), MySQL, User Interface (UI) Design, Object Oriented Programming (OOP), Event-Driven Programming, Database Design, Application Deployment, Application Design, Python Programming, Application Development, Database Management, Graphical Tools, Database Application, Databases, Software Design, Computer Graphics, Development Environment, SQL
Intermediate · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Digital pedagogy, Instructional Strategies, Computer Science, Interactive Design, Emerging Technologies, Collaborative Software, Artificial Intelligence, Innovation
Mixed · Course · 1 - 4 Weeks