Computer network courses can help you learn how data moves between devices, how networks are structured, and how to keep them secure and efficient.
The language used throughout the course, in both instruction and assessments.

Packt
Skills you'll gain: TCP/IP, Network Administration, Virtual Local Area Network (VLAN), Network Routers, Network Routing, General Networking, Network Architecture, Ansible, Puppet (Configuration Management Tool), Software-Defined Networking, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Network Security, Wireless Networks, Security Awareness, Threat Modeling, Network Protocols, Network Troubleshooting
Intermediate · Specialization · 1 - 3 Months

Wesleyan University
Skills you'll gain: Social Sciences, Psychology, Persuasive Communication, Sociology, Behavior Management, Conflict Management, Interpersonal Communications, Research, Diversity Awareness, Ethical Standards And Conduct, Experimentation
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Software Engineering, Java, Java Programming, Unit Testing, Program Development, Software Design, Application Design, Test Driven Development (TDD)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computer Security Incident Management, Disaster Recovery, Risk Management Framework, Cybersecurity, NIST 800-53, Risk Management, Security Strategy, Investigation, Security Controls, Vulnerability Assessments, Virtualization and Virtual Machines, Cloud Computing, Scenario Testing
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Object Oriented Design, Programming Principles, Data Structures, Data Modeling, Data Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Network Routing, Network Security, Firewall, Google Cloud Platform, Virtual Private Networks (VPN), General Networking, Network Protocols, Intranet
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Technical Documentation, Technical Communication, Technical Writing, Document Management, Code Review
Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Commands, Network Troubleshooting, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, Shell Script, User Accounts, System Configuration, Network Administration, File Management, Identity and Access Management, General Networking, Firewall, Command-Line Interface, Security Controls
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Elicitation, Requirements Analysis, Mockups, Interviewing Skills, Storyboarding, Business Requirements, Prototyping, User Requirements Documents, User Research, Stakeholder Analysis, Information Architecture, Prioritization
Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Application Specific Integrated Circuits, Computer Architecture, Microarchitecture, Hardware Architecture, Cloud Infrastructure, Systems Design, Technical Design, Embedded Systems, System Design and Implementation, Software Design, Cloud Computing
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Git (Version Control System), Android Jetpack, Android Development, Android Studio, User Interface and User Experience (UI/UX) Design, Mobile Development, User Interface (UI), Kotlin, Wireframing, User Flows
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, Hibernate (Java), PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Database Design, Databases, Java, Data Manipulation, Data Mapping, Java Programming, JUnit, Object Oriented Programming (OOP), Query Languages, Database Management, Database Systems, Transaction Processing
Beginner · Specialization · 1 - 3 Months