Server & OS Administration
Build, harden, and troubleshoot the servers that run business applications. Tests Windows Server documentation, Linux hardening, and performance investigation.
BeginnerIntermediateAdvanced
Open topic
IT Service Management
Run an IT helpdesk the way a corporate operates one. Tests ITIL incident handling, network documentation, troubleshooting workflows, and acceptable-use policy design.
BeginnerIntermediateAdvanced
Open topic
VoIP & Unified Communications
Design and manage voice-over-IP and unified communication networks. Tests SIP trunks, call routing, and network QoS prioritization.
BeginnerIntermediateAdvanced
Open topic