Publicly sourced, non-proprietary study guide and resource hub for candidates preparing for the AWS Data Center Technician (DCO L3) interview loop.
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Updated
Jul 21, 2026
Publicly sourced, non-proprietary study guide and resource hub for candidates preparing for the AWS Data Center Technician (DCO L3) interview loop.
An interactive Python tool for diagnosing and troubleshooting common PC hardware and software issues.
Random reboots on Acer Aspire A314-23P (Ryzen 5 7520U, Fedora 44): AMD data fabric sync flood 0x08000800. Diagnosis, evidence, working kernel-parameter mitigation and ready-to-send bug reports.
A Python help desk ticket simulator featuring ticket management, technician assignment, SLA tracking, escalation, reporting, and troubleshooting recommendations.
WattPulse: An intelligent Linux power diagnostic tool that monitors voltage stability, calculates real-time voltage sag, and automatically manages OS idle-dimming to identify hardware power faults versus software behaviors.
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