Exam Name: HCSP-Presales-Data Center Network Planning and Design V1.0
Certification Provider: Huawei
Corresponding Certification: HCSP-Presales-Data
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Huawei H19-402_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Center Network Overview | 16% | - DC and DCN overview - Terms and key technologies of DCs |
| Topic 2: VXLAN and BGP EVPN | 10% | - Application of VXLAN on DCNs - Overview of VXLAN and DCN virtualization - VXLAN fundamentals - Basic concepts of VXLAN |
| Topic 3: Typical DCN Design Guide | 11% | |
| Topic 4: iMaster NCE-Fabric | 6% | |
| Topic 5: Four CloudFabric Service Automation Scenarios and Related Solutions | 4% | - Network virtualization - Computing - OpenStack cloud-network integration - Kubernetes container network |
| Topic 6: Intelligent Lossless Data Center Network | 8% | - Key technical principles of intelligent lossless Ethernet networks - Typical networking - Data center network in the era of intelligence |
| Topic 7: Huawei CloudFabric Solution | 17% | - Components of Huawei CloudFabric solution - Architecture and functions of Huawei CloudFabric solution - Basic concepts of Huawei CloudFabric solution |
| Topic 8: M-LAG | 9% | - M-LAG deployment scenarios - Fundamentals of M-LAG - M-LAG failure protection - Overview of M-LAG |
| Topic 9: Technical Fundamentals of Data Communications Networks | 9% | - Network reachability - Network reliability - VPN - Basics of Ethernet switching - Network security - Network service and management |
| Topic 10: CloudFabric Underlay and Overlay Network Design | 7% | |
| Topic 11: Intelligent O&M of the CloudFabric Solution | 3% |
Huawei HCSP-Presales-Data Center Network Planning and Design V1.0 Sample Questions:
Incast traffic in distributed AI computing and in the distributed storage architecture are prone to cause network congestion.
- A. FALSE
- B. TRUE
Correct Answer: B 🗳️
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RoCEv2 is implemented based on TCP.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
Explanation: Only visible for ExamcollectionPass members. You can sign-up / login (it's free).
(During data center network design, if the number of TOR switches is less than 100, which of the following protocols is recommended for underlay routing?)
- A. OSPF
- B. IS-IS
- C. RIP
- D. BGP
Correct Answer: A 🗳️
Explanation: Only visible for ExamcollectionPass members. You can sign-up / login (it's free).
Which of the following are characteristics of distributed VXLAN gateways?
- A. A leaf node can function as both a Layer 2 VXLAN gateway and a Layer 3 VXLAN gateway, supporting flexible deployment.
- B. The number of ARP entries supported is a bottleneck. A single Layer 3 gateway is used. For tenants whose traffic is forwarded by the Layer 3 gateway, ARP entries must be generated for the tenants on the Layer 3 gateway, but only a limited number of ARP entries are allowed by the Layer 3 gateway, which impedes data center network expansion.
- C. A distributed VXLAN gateway (leaf node) only needs to learn the ARP entries of servers connected to it, whereas a centralized Layer 3 VXLAN gateway needs to learn the ARP entries of all servers on a network. Therefore, the number of ARP entries supported is no longer a bottleneck on distributed VXLAN gateways, and the network scalability is improved.
- D. Forwarding paths are not optimal. Inter-subnet Layer 3 traffic between devices connected to the same gateway in a data center must be transmitted to a unified Layer 3 gateway for forwarding.
Correct Answer: A,C 🗳️
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Tenants apply for data center network, storage, and compute resources. One department can be regarded as one tenant, so an enterprise has multiple tenants, and the enterprise ' s data center can be managed by one tenant administrator.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
Explanation: Only visible for ExamcollectionPass members. You can sign-up / login (it's free).
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