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.

LearnQuest
Skills you'll gain: Virtual Private Networks (VPN), Linux Administration, Public Key Infrastructure, Linux, Linux Servers, Intrusion Detection and Prevention, Firewall, Remote Access Systems, Operating System Administration, Linux Commands, Authentications, Authorization (Computing), Network Security, Hardening, Security Controls, Infrastructure Security, Identity and Access Management, System Monitoring, Cybersecurity, Information Technology
Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Debugging, Computational Thinking, Programming Principles, Data Structures, Computer Programming, Program Development, Computer Science, Maintainability, Python Programming, Computational Logic, Algorithms, Code Reusability
Beginner · Course · 1 - 3 Months
Skills you'll gain: Data Storytelling, Rmarkdown, Data Visualization, Data Presentation, Data Ethics, Data Cleansing, Interactive Data Visualization, Data Validation, Ggplot2, R (Software), Sampling (Statistics), Spreadsheet Software, Data Analysis, Stakeholder Communications, LinkedIn, Object Oriented Programming (OOP), Data Literacy, Web Presence, Data Structures, Interviewing Skills
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, Open Web Application Security Project (OWASP), Containerization, Istio, Server Side, Software Architecture, Node.JS, Application Deployment, Restful API, Database Design, Kubernetes, Cloud-Native Computing, Responsive Web Design, Git (Version Control System), Ajax, Grafana, Javascript, Azure DevOps, Software Development
Beginner · Professional Certificate · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Application Security, Security Testing, Cyber Security Assessment, IT Security Architecture, Secure Coding, Identity and Access Management, Authentications, Network Security, Security Management, Endpoint Security, Vulnerability Scanning, Security Strategy, Security Controls, Disaster Recovery, Cybersecurity, Cyber Governance, Penetration Testing, Information Systems Security, Vulnerability Assessments, Risk Management
Beginner · Specialization · 1 - 3 Months

Meta
Skills you'll gain: React Native, Jest (JavaScript Testing Framework), Version Control, User Research, UI/UX Research, Usability Testing, Unix Commands, Restful API, Git (Version Control System), Persona (User Experience), GitHub, Interaction Design, User Experience Design, SQL, User Interface and User Experience (UI/UX) Design, Mobile Development, Design Research, React.js, Web Development Tools, Javascript
Beginner · Specialization · 3 - 6 Months

IBM
Skills you'll gain: COBOL (Programming Language), Debugging, Program Development, Programming Principles, Development Testing, Software Testing, Computer Programming, Maintainability, Business Logic
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: React Native, iOS Development, Core Data (Software), Restful API, Version Control, User Research, UI/UX Research, Usability Testing, Apple iOS, Jest (JavaScript Testing Framework), Data Structures, Swift Programming, User Interface (UI), Unix Commands, Apple Xcode, Git (Version Control System), Persona (User Experience), GitHub, Mobile Development, Javascript
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months
University of Michigan
Skills you'll gain: Database Design, Data Store, Database Software, Relational Databases, SQL, Databases, Data Visualization Software, Web Scraping, Data Modeling, Object Oriented Programming (OOP), Data Processing, Python Programming, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: File I/O, Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Plot (Graphics), Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming
Beginner · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Engineering, Agentic systems, ChatGPT, Anthropic Claude, Retrieval-Augmented Generation, Generative AI Agents, Prompt Patterns, Multimodal Prompts, Generative AI, Agentic Workflows, AI Personalization, Software Development Tools, Artificial Intelligence and Machine Learning (AI/ML), Software Engineering, Software Development, Automation, Software Architecture, Software Testing, Software Design
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Bash (Scripting Language), Operating Systems, File Systems, Linux Commands, Linux, SQL, Linux Administration, File Management, Unix Shell, Query Languages, Database Management, Command-Line Interface, Databases, Relational Databases, Authorization (Computing), Authentications, User Accounts
Beginner · Course · 1 - 4 Weeks