🏆 HCIE Level · Expert Certification

HCIE-Data Center Network Certification (H12-921)

Attain expert-level mastery of data centre network design, VXLAN/EVPN, CloudFabric SDN, OpenStack, Kubernetes networking, microsegmentation, and advanced troubleshooting on Huawei platforms trusted by hyperscale cloud providers and global enterprises.

DC Network VXLAN & EVPN CloudFabric OpenStack Kubernetes Microsegmentation HCIE Expert

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DC Network ArchitectureSpine-leaf fabric, VXLAN, EVPN & CloudFabric

Advanced DC TechnologiesServer virtualisation, OpenStack & Kubernetes

Planning & DesignMulti-PoD, multi-site, security & IPv6 design

O&M & TroubleshootingiMaster NCE-Fabric, telemetry & fault isolation

Questions

90 min

Duration

60%

Pass Score

HCIE

Expert Level

Market Trending

Expert DC Network Skills Are in Demand

Hyperscale cloud expansion and enterprise digital transformation are creating unprecedented demand for HCIE-certified data centre network experts who can design and operate complex multi-site DC fabrics.

Hot

$350B+

Global DC Network Market by 2028

The global data centre network market is projected to exceed $350 billion by 2028, driven by hyperscale cloud growth and enterprise digital transformation.

15,000+

Open HCIE-Level DC Roles Globally

HCIE-certified experts are among the most sought-after professionals at cloud providers, colocation operators, and system integrators worldwide.

Hot

CloudFabric

Huawei's Leading SDN DC Platform

Huawei CloudFabric and iMaster NCE-Fabric have become the backbone of intelligent DC operations, making expert-level knowledge critical for modern DC engineers.

+45%

Salary Premium for Expert DC Engineers

HCIE-level data centre network engineers command significant salary premiums over general network professionals, particularly in cloud and enterprise DC roles.

Course Content

Complete H12-921 Curriculum

Click any module to expand and explore the topics covered in detail.

Data Center Network Basic Knowledge

14 Topics

DC Overview

Data Center Network Overview

Overview of Key DC Technologies

Development Trends and Challenges of DCNs

Huawei CloudFabric Solution

Solution Features

Background of VXLAN

Basic Concepts and Fundamentals of VXLAN

EVPN VXLAN Fundamentals

Multicast VXLAN Fundamentals

Application of VXLAN in DCI

VXLAN Deployment Cases in Typical Scenarios

Microsegmentation

SFC

Advanced Technologies and Applications of Data Center Networks

16 Topics

Server Virtualization

Network Virtualization

Introduction to OpenStack

Key Components of OpenStack

OpenStack Applications

Introduction to the Container Technology

Introduction to the Container Management Platform

Overview of Computing Industry Development

High-Performance Computing

AI and Deep Learning

Storage Basics

Storage Technology Principles

Storage Technology Applications in DCs

Development Trend of Intelligent and Lossless Network Technologies

Principles of Key Technologies of the Intelligent and Lossless Network

Typical Scenarios of Intelligent Lossless Network

Huawei CloudFabric Solution

21 Topics

CloudFabric Solution Overview in the Network Virtualization Scenario

CloudFabric Solution in the Computing Scenario

CloudFabric Solution in the Hosting Scenario

CloudFabric Cloud-Network Integration Solution — OpenStack Scenario

CloudFabric Container Network Solution

Deployment Process Overview

iMaster NCE-Fabric Pre-configuration and Interconnection

Service Provisioning

Multi-DC Scenarios

Multi-PoD Solution Introduction

Multi-Site Solution Introduction

Hybrid Cloud Solution Introduction

Background and Challenges of Diversified Computing

Lossless Network Solution Design for Diversified Computing

Lossless Network Design Case for Diversified Computing

Overview of Storage Industry Development

Intelligent and Lossless Network Solution for Distributed Storage

Intelligent and Lossless Network Solution for Centralized Storage (NoF+)

DCN Security Solution Overview

DCN Security Design

DCN Security Service Orchestration

Data Center Network Planning and Design

11 Topics

CloudFabric Solution and DCN Overview

Network Architecture Design and Data Planning

Underlay Network Design

Overlay Network Design

Multi-PoD and Multi-Site Design

Network Security Design

Network Management and O&M Design

IPv6 Address Planning for DCNs

Key IPv6 Evolution Technologies for DCNs

IPv6 Evolution Solution for DCNs

IPv6 Service Rollout on DCNs (CloudFabric Cloud-Network Integration Solution)

Data Center Network O&M

9 Topics

DCN O&M Challenges and CloudFabric Intelligent DCN O&M Solution

iMaster NCE-Fabric

iMaster NCE-FabricInsight

DCN Typical O&M Scenarios

DCN Management and Monitoring

DCN Typical Troubleshooting

Overview of Network Service Open Programmability

Overview of Network Service Open Programmability of iMaster NCE-Fabric

Details About Network Service Open Programmability of iMaster NCE-Fabric

Learning Objectives

What You Will Master

This expert certification equips you with comprehensive skills in data centre network design, advanced cloud DC operations, CloudFabric SDN, VXLAN/EVPN deployment, and intelligent O&M on Huawei platforms.

Prerequisites

Knowledge skills described in the HCIP-Datacom-Core Technology course or equivalent professional-level DC networking experience.

Describe the constitution, development, and key IT/network technologies of modern data centres

Describe the architecture, core components, and application scenarios of the Huawei CloudFabric Solution

Understand VXLAN fundamentals, EVPN VXLAN, multicast VXLAN, and DCI applications

Understand microsegmentation concepts, forwarding models, and deployment in typical scenarios

Describe server virtualisation, network virtualisation, and OpenStack architecture and components

Understand container technology, Kubernetes architecture, and HPC/AI computing infrastructure

Deploy CloudFabric Solution in computing, hosting, and cloud-network integration scenarios

Design multi-DC, multi-PoD, and multi-site architectures with hybrid cloud solutions

Architect DCN security solutions, VAS deployment, and service function orchestration

Use iMaster NCE-Fabric and NCE-FabricInsight for intelligent O&M and troubleshooting

FAQs

Frequently Asked Questions

What is the H12-921 HCIE-Data Center Network certification?

H12-921 is Huawei's expert-level certification for data centre network professionals. It validates comprehensive expertise in DC network architecture, VXLAN/EVPN, CloudFabric SDN, OpenStack, Kubernetes, DC planning and design, and intelligent O&M.

What are the prerequisites for H12-921?

Candidates should have HCIP-Datacom-Core Technology knowledge or equivalent professional-level experience with DC networking, VXLAN, EVPN, and Huawei CloudEngine/CloudFabric platforms.

What topics are covered in H12-921?

The exam covers DC network basics, advanced technologies (virtualisation, OpenStack, containers, HPC, AI storage), CloudFabric solution deployment, DC planning and design, and intelligent O&M using iMaster NCE-Fabric and NCE-FabricInsight.

What is the H12-921 exam format?

H12-921 consists of 60 questions with a 90-minute duration and a 60% passing score, delivered online through the Huawei Certification System in English and Chinese.

How do I download the H12-921 course brochure?

Click "Brochure" on this page, fill in your details, and the brochure downloads immediately. Our counsellors will reach out to discuss course schedules and enrolment options.

Become a Certified Data Center Network Expert

Join Zetlan Technologies' H12-921 programme and master VXLAN, CloudFabric, OpenStack, Kubernetes networking, and cloud DC design. Earn your HCIE-Data Center Network certification and lead next-generation data centre infrastructure.