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Huawei H12-921_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Center Network Basic Knowledge | 15% | - VXLAN and Overlay Technologies - Data Center and DCN Fundamentals |
| Advanced Technologies and Applications of Data Center Networks | 31% | - Virtualization and OpenStack Networking - Kubernetes and Container Networking |
| 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% | - O&M Best Practices - iMaster NCE-Fabric O&M Tools |
| Huawei CloudFabric Solution | 30% | - CloudFabric Architecture and Components - CloudFabric Deployment Scenarios |
Huawei HCIE-Data Center Network (Written) V1.0 Sample Questions:
1. Which of the following needs to be configured in OpenStack when configuring intranet cross-VPC access (over the wall) in OpenStack? ?
A) Networking
B) Routing
C) VPC interworking
D) Specify the source firewall
2. What are the correct descriptions of VXLAN Overlay multicast in the following descriptions?
A) BGP NG MVPN carries I-PMSI information for I-PMSI tunnel establishment
B) The VXLAN tunnel can still be configured as headend replication without special configuration
C) When deploying multicast using PIM-SM mode, separate RPs need to be deployed on both the underlay and the overlay
D) There is no need to deploy multicast in the underlay
3. Which of the following descriptions of RDMA is wrong?
A) RDMA technology is widely used in scenarios such as HPC, AI, and storage, reducing CPU load and processing latency, and greatly improving application performance
B) Unlike traditional TCP socket network interfaces, RDMA bypasses the operating system kernel and implements kernel bypass
C) RDMA enables peripherals (such as network cards) to directly access the memory of the remote host
D) RDMA requires the host CPU to participate in multiple copies of protocol stack memory, resulting in a sustained high load on the CPU
4. Linux namespace mainly solves the problem of environmental isolation, we also need to solve the isolation of computer resource use, which of the following techniques is used to achieve this requirement?
A) Hypervisor
B) Cgroup
C) Storage I/0
D) Process ID
5. After the dual-stack transformation of the Internet access area of the data center network, which of the following methods can the network egress choose to interconnect with the operator's IPv network?
A) EBGP+
B) IBGP4+
C) OSPFv3
D) Static IPv6 routes
Solutions:
| Question # 1 Answer: A,B | Question # 2 Answer: A,C | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: A,D |
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