Huawei H12-421-ENU : Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization

  • Exam Code: H12-421-ENU
  • Exam Name: Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization
  • Updated: Aug 09, 2026
  • Q & A: 240 Questions and Answers

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Huawei H12-421-ENU Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Cooling Systems25%- NetCol series precision air conditioners
- Energy saving and optimization
- Installation, commissioning and fault diagnosis
- Cooling principles and airflow design
Topic 2: Modular Data Center Solutions25%- FusionModule500/800 micro data centers
- System integration and acceptance
- Deployment process and specifications
- FusionModule1000 integrated solution
Topic 3: Data Center Facility Overview & Design Principles10%- Site selection and layout planning
- Basic concepts and development trends
- PUE and energy efficiency design
- Standards and specifications
Topic 4: Monitoring & Management System15%- ECC800 monitoring system architecture
- Sensor and device access
- System maintenance and optimization
- Configuration, alarm and management
Topic 5: Power Distribution & UPS Systems25%- PDU and power distribution architecture
- UPS2000/5000 series principles and configuration
- Battery management and maintenance
- Installation, commissioning and troubleshooting

Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization Sample Questions:

1. The UPS5000 option temperature and humidity sensor does not support cascading.

A) True
B) False


2. If the customer load cannot be power-off, what should be taken care when closing the maintenance bypass switch? (Multiple choice)

A) The maintenance bypass switch can also be closed in the inverter power supply mode.
B) Turn off the inverter, let the UPS be in bypass power supply mode and then close the maintenance bypass switch.
C) Close the maintenance switch first and then execute the EPO.
D) First perform EPO then close maintenance switch


3. Which of the following is the correct procedure for powering up the UPS5000?

A) Close the main road and bypass input switch -> set parameters, check system status -> inverter start -> close battery switch -> open load
B) Close the main circuit and bypass input switch -> set parameters, check system status -> close battery switch -> inverter start -> open load
C) Set parameters, check system status -> Close main and bypass input switch -> Inverter start -> Close battery switch -> Open load
D) Close the main road and bypass input switch -> Inverter start -> Set parameters, check system status -> Close battery switch -> Open load


4. NetEco does not support sending reports to customers by email.

A) True
B) False


5. The default battery charge voltage of the UPS2000-G is ( ) V/cell.

A) 2.25
B) 2.45
C) 2.35
D) 2.15


Solutions:

Question # 1
Answer: B
Question # 2
Answer: B,C
Question # 3
Answer: A
Question # 4
Answer: B
Question # 5
Answer: C

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