The Bits and Bytes of Computer Networking

https://www.coursera.org/learn/computer-networking

Module 1 - Introduction to Networking

Module 2 - The Network Layer

Module 3 - The Transport and Application Layer

Module 4 - Networking Services

Module 5 - Connecting to the Internet

Module 6 - Introduction to Troubleshooting and the Future of Networking

Glossary

System Administration and IT Infrastructure Services

https://www.coursera.org/learn/system-administration-it-infrastructure-services

Module 1 - What is System Administration

Module 2 - Network and Infrastructure Services

Module 3 - Software and Platform Services

Module 4 - Directory Services

Module 5 - Data Recovery & Backups

Glossary

Google Cloud Computing Foundation

https://www.cloudskillsboost.google/journeys/36

Cloud Computing Fundamentals