Study guide
Google IT Support study guide
Read a lesson, then practice the ideas you want to remember.
Lessons
- Network Layer & IP Addressing — Free Study Guide 2026
- Network Models & Physical Layer — Free Study Guide 2026
- Transport & Application Layer Protocols
- Wireless, Remote Access & Network Diagnostic
- Backup Strategies & Disaster Recovery — Free Study Guide 2026
- Cloud Models & Enterprise Storage — Free Study Guide 2026
- OS Imaging & Configuration Management — Free Study Guide 2026
- AAA, Network Defense & Incident Response
- Cryptography & Public Key Infrastructure
- Security Principles & Threat Landscape — Free Study Guide 2026
- OS Architecture & Shell Navigation — Free Study Guide 2026
- Package Management & Software Deployment
- User Accounts, Groups & Access Control — Free Study Guide 2026
- Filesystem Types & Storage Management — Free Study Guide 2026
- Process Management & System Logging — Free Study Guide 2026
- Practical Shell Scripting & Automation — Free Study Guide 2026
- Directory Services: Active Directory & LDAP
- Core Infrastructure Services: DNS, DHCP & NT
- Sysadmin Role & IT Policies — Free Study Guide 2026
- Certificate Overview & Core Hardware — Free Study Guide 2026
- PC Assembly, BIOS/UEFI & Boot Sequence — Free Study Guide 2026
- Troubleshooting Methodology & Customer Servi