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Huawei H12-423 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Monitoring & Management System O&M	20%	- NetEco and ECC800 system operation - Alarm management and event analysis - System linkage and remote management - Data collection, reporting and configuration management
Topic 2: Data Center Facility Operation & Maintenance Overview	10%	- EHS safety specifications - O&M management system and processes - Basic concepts and standards
Topic 3: Cooling System O&M	25%	- Energy efficiency optimization for cooling systems - Refrigeration system maintenance and fault diagnosis - Airflow management and temperature/humidity control - Precision air conditioning system operation
Topic 4: Power Supply & Distribution System O&M	25%	- Battery management, maintenance and testing - Power distribution cabinet, PDU and ATS O&M - DC power system monitoring and fault handling - UPS system operation, monitoring and troubleshooting
Topic 5: Auxiliary Systems & Integrated O&M	20%	- Emergency response and disaster recovery - Cabling and rack management - Lightning protection and grounding system - Routine inspection and preventive maintenance - Fire protection and gas suppression system