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.

University of California, Davis
Skills you'll gain: ArcGIS, Geographic Information Systems, Public Health and Disease Prevention, Public Health, Land Management, Geospatial Information and Technology, Geospatial Mapping, Spatial Analysis, Epidemiology, Community Health, Spatial Data Analysis, Social Determinants Of Health, Emergency Response, Environmental Science, Natural Resource Management, Emergency Services, Business Development, Environment and Resource Management, Hazard Analysis, 3D Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operational Databases, NoSQL, Real Time Data, Scalability, Database Design, Application Deployment, Data Infrastructure, Big Data, Data Manipulation, Performance Tuning, Data Modeling, Distributed Computing, Data Storage Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), File I/O, Data Structures, Algorithms, Maintainability, Performance Tuning, File Management, Debugging
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cybersecurity, Threat Management, Security Controls, Threat Detection, Cyber Security Policies, Security Awareness, Computer Security Awareness Training, Cyber Risk, Cyber Security Assessment, Data Security, Network Security, Enterprise Security, Information Assurance, Incident Response, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps, DevOps, Agile Methodology, Continuous Delivery, Collaborative Software, CI/CD, Microsoft Azure, Software Development, Application Performance Management, Version Control
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Regression Analysis, NumPy, Supervised Learning, Machine Learning Algorithms, Machine Learning, Predictive Modeling, Deep Learning, Data Science, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Reinforcement Learning, Responsible AI, Agentic systems, Artificial Intelligence, Machine Learning Methods, Distributed Computing, Simulations, Transfer Learning
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Google Cloud Platform, Generative AI Agents, AI Workflows, AI Orchestration, Agentic systems, LLM Application, AI Security, Artificial Intelligence, Generative AI, Large Language Modeling, Retrieval-Augmented Generation, Authentications, Prompt Engineering, Authorization (Computing)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Command-Line Interface, Open Shortest Path First (OSPF), Network Monitoring, Virtual Local Area Network (VLAN), Virtual Networking, Border Gateway Protocol, Network Security, Enterprise Architecture, Virtualization, Network Architecture, Network Routing, Wireless Networks, Network Planning And Design, Network Administration, Infrastructure Security, Virtual Private Networks (VPN), Ansible, Firewall, Network Infrastructure
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Software-Defined Data Center (SDDC), VMware vSAN, Virtualization, Data Centers, NSX-T Network Virtualization, VMware ESX Servers, Virtualization and Virtual Machines, vSphere Networking and Storage, vCenter Server, Virtual Machines, IT Infrastructure, Network Infrastructure, Servers, Hybrid Cloud Computing, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Graphics Software, Computer Graphics, Video Game Development, Computer Graphic Techniques, Development Environment, Debugging, Application Development
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Program Development, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Test Case, Authentications, Application Security, Cryptography, Object Oriented Programming (OOP), Eclipse (Software), Integrated Development Environments, Encryption, Data Structures
Intermediate · Course · 1 - 4 Weeks