Why Study with PlanetCert?
The Latest Questions
Practice questions and exam topics aligned with the current exam objectives.
Detailed Explanations
Go beyond the answer. Master the material with comprehensive learning and professional explanations for every concept.
AI-Powered Insights
Personalized preparation guidance that adapts to your performance and identifies weak spots automatically.
Exam Information
Official specifications published by Huawei
Exam Format
90 min
60
600
Expert
Registration
$300 USD
Pearson VUE
English, Chinese
Validity
3 years
Pass the latest version of HCIE-Data Center Network written and lab exams; Pass any other HCIE written and lab exams; Earn required Continuing Education (CE) credits through Huawei
H12-921-V1-0 Exam Topics and Domains
H12-921-V1-0 is organized into 5 weighted domains. Expect to work with iMaster NCE-Fabric, FabricInsight, AgileController-DCN, CloudFabric, and more.
1
Data Center Network Basic Knowledge
15%
Data Center Overview and Network Fundamentals
Data Center OverviewData Center Network Overview
- Understand data center architecture and components
- Identify trends and challenges in modern DCNs
- Evaluate data center network topologies
Huawei CloudFabric Solution
CloudFabric Overview
- Understand Huawei CloudFabric solution architecture
- Identify how CloudFabric solves modern DCN challenges
VXLAN Fundamentals
Basic Concepts of VXLANEVPN Variations and Deployment
- Master VXLAN technology fundamentals
- Understand EVPN control plane operations
- Identify appropriate VXLAN deployment scenarios
Advanced Network Techniques
MicrosegmentationService Function Chaining (SFC)
- Understand microsegmentation for security
- Implement Service Function Chaining
2
Advanced Technologies and Applications
31%
Virtualization Technologies
Server VirtualizationNetwork Virtualization
- Master server and network virtualization principles
- Understand hypervisor architectures
- Integrate virtualization with data center networks
Cloud Platforms
OpenStack Architecture
- Understand OpenStack architecture and key components
- Configure OpenStack networking with Neutron
- Integrate OpenStack with data center networks
Container Technologies
Docker and ContainerizationContainer Management Platforms
- Master Docker and container technologies
- Understand Kubernetes orchestration
- Implement container networking
High-Performance Computing and AI
HPC NetworksAI and Deep Learning
- Understand HPC and AI network requirements
- Design lossless networks for HPC
- Implement high-bandwidth, low-latency networks
Storage Architecture
Storage PrinciplesData Center Storage Integration
- Understand storage architectures and protocols
- Design storage networks for data centers
- Integrate storage with compute infrastructure
Network Intelligence
Intelligent and Lossless Network
- Master intelligent lossless network technologies
- Implement congestion avoidance mechanisms
- Optimize network for HPC and storage
3
Huawei CloudFabric Solution
30%
Computing and Hosting Network Solutions
Computing Network SolutionsContainer Network Solutions
- Design computing and hosting networks
- Implement container network solutions
- Integrate with CloudFabric infrastructure
Cloud-Network Integration
CloudFabric OpenStack Scenario
- Integrate OpenStack with CloudFabric
- Implement automated network provisioning
- Design multi-tenant networks
Multi-DC and Hybrid Cloud
Multi-DC DeploymentsHybrid Cloud Deployments
- Design multi-datacenter networks
- Implement hybrid cloud connectivity
- Enable workload mobility across sites
Supercomputing and Storage Networks
Supercomputing Network DesignStorage Network Solutions
- Design lossless networks for supercomputing
- Implement storage network solutions
- Optimize for HPC and storage workloads
Security and Service Orchestration
Security DesignService Orchestration
- Design secure data center networks
- Implement service orchestration
- Automate network service delivery
Cloud Data Center Solutions
FusionCloud OverviewActive-Active Cloud Data Center
- Understand FusionCloud solution
- Design active-active data centers
- Implement disaster recovery
4
Data Center Network Planning and Design
8%
Architecture Design and Data Planning
Network Architecture DesignData Planning
- Design scalable DC architectures
- Perform capacity and data planning
- Analyze traffic flows
Underlay and Overlay Network Design
Underlay Network DesignOverlay Network Design
- Design underlay and overlay networks
- Select appropriate routing protocols
- Implement centralized/distributed overlay models
Multi-PoD and Multi-Site Configurations
Multi-PoD DesignMulti-Site Configurations
- Design multi-PoD architectures
- Implement multi-site connectivity
- Scale data centers horizontally
IPv6 Evolution and Address Planning
IPv6 in Data CentersAddress Planning
- Plan IPv6 addressing for data centers
- Implement IPv6 migration
- Design efficient address allocation schemes
5
Data Center Network Operations and Maintenance
16%
iMaster NCE-Fabric Management
iMaster NCE-Fabric OverviewConfiguration Management
- Understand iMaster NCE-Fabric capabilities
- Automate network provisioning
- Manage network configurations
Monitoring and Troubleshooting
Network MonitoringTroubleshooting Methodologies
- Monitor network performance
- Troubleshoot network issues
- Perform root cause analysis
Network Service Open Programmability
Network AutomationProgrammability Frameworks
- Implement network automation
- Use APIs for network management
- Develop automation scripts
Typical O&M Scenarios
O&M Management WorkflowsCloud Data Center O&M
- Manage typical O&M scenarios
- Configure O&M platforms
- Implement intelligent operations
How do I earn this certification?
Passing H12-921-V1-0 earns the HCIE-Data Center Network certification. It sits in the Data Center Network track.
Current Level Exams
- H12-921 - HCIE-Data Center Network (Written) V1.0 Written exam covering theoretical knowledge
- H12-922 - HCIE-Data Center Network (Lab) V1.0 8-hour hands-on lab exam - required to complete certification
Next Level Options
Huawei Certified ICT Architect Highest certification level - requires multiple HCIE certifications and industry experience
Alternative Paths
- H12-891 - HCIE-Datacom V1.0 (Written)Complementary expert certification in general datacom technologies • Broader networking focus including routing, switching, and WAN
- H13-431 - HCIE-Data Center (Written) V2.0 Comprehensive data center certification beyond just networking • Broader data center scope including storage, servers, and cloud computing
- H13-531 - HCIE-Cloud Computing (Written) V3.0 Focus on cloud computing platforms and services • Cloud infrastructure and virtualization expertise
- H13-629 - HCIE-Storage (Written) V4.0 Expertise in storage systems and storage networking • Storage network and data center storage specialization
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for H12-921-V1-0 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: 2025-10-13
Updates
- VXLAN and BGP EVPN Current industry standard Remains core exam topic - 15-20% of exam content • Release date: Ongoing
- CloudFabric Solution Latest version 30% of exam focuses on CloudFabric - critical to certification • Release date: Continuous updates
- iMaster NCE-Fabric Current version O&M domain (16%) heavily features NCE-Fabric management • Release date: Ongoing updates
- OpenStack Integration Latest stable releases Cloud-network integration remains important - part of 31% advanced technologies domain • Release date: Ongoing
- Kubernetes and Container Networking Current Kubernetes versions Growing importance in exam - container technologies increasingly featured • Release date: Ongoing
- Intelligent Lossless Network Current implementation Critical for HPC and AI workloads - featured in advanced technologies (31%) • Release date: Ongoing
Who should take this exam?
This exam is typically taken by Data center network architects and Senior data center network engineers.
- HCIP-Datacom-Core Technology certification
- 5+ years of data center network experience
- Hands-on experience with Huawei data center products
- Understanding of VXLAN, EVPN, and SDN technologies
- Experience with OpenStack and virtualization