Computer network courses can help you learn how data moves between devices, how networks are structured, and how to keep them secure and efficient.

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Application Development, Web Development, Server Side, Application Frameworks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Cyber Attacks, Endpoint Security, Infrastructure Security, Network Routing, Threat Detection, Computer Security, Firewall, Computer Networking, Wireless Networks, Information Technology Infrastructure Library, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Instagram, Content Creation, Facebook, Social Media, Social Media Content, Social Media Management, Design, Marketing Materials, Graphic Design, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Problem Solving, Computational Thinking, Probability, Mathematical Modeling, Deductive Reasoning, Behavioral Economics, Algorithms, Analytical Skills, Theoretical Computer Science
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Artificial Intelligence, Social Sciences, Psychology, Human Learning, Human Development, Culture, Human Computer Interaction, Computational Thinking, Cognitive Behavioral Therapy, Science and Research, Neurology, Embedded Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Cloud Hosting, HTML and CSS, Web Design and Development, GitHub, Web Servers, Web Content, Web Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Cyber Security Assessment, Threat Modeling, Threat Detection, Intrusion Detection and Prevention, Exploitation techniques, Security Management, Network Security, Malware Protection, Network Analysis
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, Generative AI Agents, Agentic systems, Large Language Modeling, OpenAI, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Artificial Intelligence, AI Personalization, Responsible AI, Tool Calling, Text Mining, Query Languages, User Interface (UI), Application Development, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AWS Kinesis, AWS SageMaker, Machine Learning Algorithms, Data Collection, Amazon Redshift, MLOps (Machine Learning Operations), Image Analysis, Reinforcement Learning, Amazon Web Services, Scalability, Forecasting, Feature Engineering, Algorithms, Machine Learning, Technical Design, Data Analysis, Real Time Data, Predictive Modeling, Applied Machine Learning, Data Modeling
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Threat Modeling, Application Security, Computer Security, Security Controls, Cybersecurity, Security Engineering, Data Security, Network Security, Information Systems Security, Cryptography, Vulnerability Assessments, Secure Coding, Cryptographic Protocols, Encryption, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Data Integrity, Distributed Computing
Intermediate · Course · 1 - 3 Months

Edureka
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Software Design, Software Development Life Cycle, Application Security, Technical Design, Software Architecture, Software Development Methodologies, Conceptual Design, Requirements Analysis
Mixed · Course · 1 - 3 Months