Platforms & Admin: Active Directory/Entra ID account tasks, Microsoft 365 basics, Windows Server basics
Operating Systems: Windows 10/11, macOS support, Ubuntu/Linux basics
Networking: TCP/IP, DNS, DHCP, VLANs, ACLs, VPN, NAT, Wi-Fi troubleshooting, LAN/WAN fundamentals
Security: MFA, least privilege, BitLocker concepts, SIEM/IDS/IPS concepts, vulnerability management fundamentals
Endpoint & Device Support: Imaging concepts, printers/peripherals, asset inventory, remote support
Tools: Wireshark, Cisco Packet Tracer, Event Viewer, PowerShell basics, Quick Assist, AnyDesk, Excel, Git