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Huawei H12-921_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Huawei CloudFabric Solution | 30% | - CloudFabric Deployment Scenarios - CloudFabric Architecture and Components |
| Data Center Network Operation and Maintenance | 16% | - iMaster NCE-Fabric O&M Tools - O&M Best Practices |
| Data Center Network Planning and Design | 8% | - Underlay and Overlay Design Principles - Multi-Pod and Multi-Site Solutions |
| Data Center Network Basic Knowledge | 15% | - Data Center and DCN Fundamentals - VXLAN and Overlay Technologies |
| Advanced Technologies and Applications of Data Center Networks | 31% | - Kubernetes and Container Networking - Virtualization and OpenStack Networking |
Huawei HCIE-Data Center Network (Written) V1.0 Sample Questions:
What are the correct terms of the following descriptions of underlays and overlay networks?
- A. From the perspective of an overlay network, the underlay network is transparent to devices connected outside of the VXLAN tunnel endpoints
- B. Underlay is logically isolated from overlay, and as long as the routes between tunnel endpoints are reachable, the failure of the underlay network will not directly affect the overlay network
- C. When implementing the overlay technology in the underlay network, the original underlay network needs to be modified to a certain extent
- D. Overlay Routes for the network are generated by routes that are ingested into the underlay network
Correct Answer: A,B 🗳️
Which of the following descriptions of lossless network prioritization design for multivariate computing is wrong?
- A. You need to plan a separate priority queue for RoCE traffic and enable the PFC feature
- B. In a VXLAN lossless network, switching devices can directly schedule traffic based on the priority of the IP header in the inner layer of VXLAN
- C. Huawei data center switches support the 8021p priority-based PFC function
- D. Huawei data center switches support the PFC function based on DSCP priority
Correct Answer: B 🗳️
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Which of the following components of open-source OpenStack provides a Dashboard for users to use?
- A. Keystone
- B. Heat
- C. Horizon
- D. Cinder
Correct Answer: C 🗳️
Which one is wrong in the description of the initial IPV6 transformation plan of the data center network, "IPv6 single stack in the new Internet access area"?
- A. This solution can quickly provide IPv6 services and smoothly evolve to the long-term goal of
"network-wide single-stack". - B. You need to add AAAA records on the DNS6 server and publish them externally
- C. In the IPv6 Internet access area, you need to add an IPv6 access line to connect with the ISP to support IPv6 user access
- D. This solution will cause existing business interruption and can be used in scenarios that are not sensitive to service interruption
Correct Answer: D 🗳️
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What are the correct descriptions of VAS service provisioning in the network virtualization scenario of Huawei CloudFabric Solution?
- A. IMaster NCE-Fabric supports backhaul routes delivered to managed third-party VASs to the Fabric network
- B. IMaster NCE-Fabric supports the delivery of route configuration from the Fabric network to the VAS side, regardless of whether the VAS is managed by the controller or not
- C. IMaster NCE-Fabric supports route configuration and VAS service delivery from Huawei VAS to Fabric network
- D. IMaster NCE-Fabric supports business automation orchestration of third-party VAS, as long as the VAS is within the scope of the controller
Correct Answer: A,B,C 🗳️
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