Updated: Jul 27, 2026
No. of Questions: 241 Questions & Answers with Testing Engine
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| Certification Vendor: | Huawei |
| Exam Name: | HCIE-Data Center Network (Written) V1.0 |
| Exam Number: | H12-921_V1.0 |
| Exam Format: | True/False, Single Answer, Multiple Answer, Fill in the Blank, Drag and Drop |
| Passing Score: | 600/1000 |
| Real Exam Qty: | 60 |
| Available Languages: | English, Chinese |
| Related Certifications: | HCIE-Data Center Network (Lab) H12-922 |
| Exam Duration: | 90 minutes |
| Exam Price: | 300USD |
| Sample Questions: | Huawei H12-921_V1.0 Sample Questions |
| Exam Way: | Written (center-based) examination |
| Pre Condition: | None required (strong theoretical and practical DCN knowledge recommended) |
| Official Syllabus URL: | https://e.huawei.com/ |
| Section | Weight | Objectives |
|---|---|---|
| Advanced Technologies and Applications of Data Center Networks | 31% | - Kubernetes and Container Networking - Virtualization and OpenStack Networking |
| Data Center Network Basic Knowledge | 15% | - Data Center and DCN Fundamentals - VXLAN and Overlay Technologies |
| Data Center Network Planning and Design | 8% | - Underlay and Overlay Design Principles - Multi-Pod and Multi-Site Solutions |
| Data Center Network Operation and Maintenance | 16% | - iMaster NCE-Fabric O&M Tools - O&M Best Practices |
| Huawei CloudFabric Solution | 30% | - CloudFabric Architecture and Components - CloudFabric Deployment Scenarios |
1. In the CloudFabric Cloud-Network Integration OpenStack scenario, two dual-stack VMs in a company's intranet are in the same VPC, and they want to send files to each other (without going through the firewall). In this case, when you create a subnet on the OpenStack cloud platform, you do not need to specify which of the following parameters?
A) Subnet name
B) IP version
C) Associated routes
D) Network address
2. What are the following descriptions of micro-segmentation, and what are the errors?
A) GBP is a flow control policy based on EPG packets + protocol number + port number, which specifies the flow control policies within EPG packets and between EPG packets
B) Group members of the same EPG can communicate directly with each other, and there is no restriction on how they cannot communicate with each other
C) In the local forwarding scenario, the source VM and destination VM are on the same network device, and the EPG packet information is maintained on the network device
D) In the cross-device forwarding scenario, the destination EPG group number is written to the VXLAN packet header and forwarded to the remote VTEP
3. Which of the following needs to be configured in OpenStack when configuring intranet cross-VPC access (over the wall) in OpenStack? ?
A) Routing
B) Specify the source firewall
C) Networking
D) VPC interworking
4. Which of the following components of open-source OpenStack provides management services for the lifecycle of bare metal servers?
A) Heat
B) Nova
C) Ironic
D) Horizon
5. Which concept in the MDC orchestration model is mapped to the TGW routing table in the AWS public cloud model in the CloudFabric solution?
A) TransitVAS
B) TGW Router
C) External gateways
D) TransitRouter
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B,D | Question # 3 Answer: A,C | Question # 4 Answer: C | Question # 5 Answer: D |
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