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: Backlogs, Agile Methodology, User Story, Sprint Retrospectives, Sprint Planning, Agile Project Management, Waterfall Methodology, Team Oriented, Estimation
Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Agile Methodology, Technical Support, Software Development Life Cycle, Program Development, Scrum (Software Development), Software Development, Software Quality Assurance, Quality Assurance, Code Review, Debugging, Software Documentation, Technical Documentation, Computer Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, z/OS, Mainframe Computing, Relational Databases, File Management, Data Management, Databases, Database Management Systems, Data Storage, Programming Principles, Command-Line Interface, Computer Programming
Beginner · Course · 1 - 3 Months

IBM
Skills you'll gain: COBOL (Programming Language), Report Writing, Debugging, Programming Principles, Software Testing, Computer Programming, Maintainability, Business Logic, Software Engineering, Data Storage, Numerical Analysis
Beginner · Course · 1 - 4 Weeks

IBM
Skills you'll gain: COBOL (Programming Language), Mainframe Computing, Programming Principles, Procedure Development, Program Development, Data Structures, File Management, Debugging, Editing, Program Implementation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Google Ads, Keyword Research, Target Audience, Pay Per Click Advertising, Search Engine Marketing, Advertising Campaigns, Campaign Management, Online Advertising, Digital Advertising, Marketing, Digital Marketing, Return On Investment
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Testing, Test Automation, Regression Testing, Continuous Integration, Performance Testing, CI/CD, Test Engineering, Browser Compatibility, Continuous Deployment, Continuous Delivery, Test Execution Engine, Debugging, Test Case, User Interface (UI), Scalability, Authentications
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Virtual Machines, Package and Software Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Mainframe Computing, Integrated Development Environments, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Process Analysis, Business Process, Business Analysis, Workflow Management, Process Management, Process Flow Diagrams, Business Process Modeling, Stakeholder Management, Stakeholder Analysis, Computer Literacy
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Development Life Cycle, z/OS, COBOL (Programming Language), Unit Testing, Systems Analysis, Systems Development, Pseudocode, Software Development Methodologies, Agile Methodology, Software Development, Software Design, Systems Architecture, Mainframe Computing, Programming Principles, Scrum (Software Development), Test Planning
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: User Story, Behavior-Driven Development, DevSecOps, Agile Project Management, Test Driven Development (TDD), Backlogs, Sprint Planning, Agile Software Development, Kanban Principles, Agile Methodology, Continuous Integration, Project Risk Management, Sprint Retrospectives, Lean Methodologies, Scaled Agile Framework, DevOps, Risk Management, Scrum (Software Development), Management Reporting, Project Coordination
Beginner · Specialization · 3 - 6 Months