Huawei HCSP-Presales-Data Center Network Planning and Design V1.0 認定 H19-402_V1.0 試験問題:

1. (What are the application scenarios of the overlay network?)

A) Private cloud (converged resource pool deployment and data center integration)
B) Network NFV cloud (network cloud and SDN + NFV)
C) Hosting services in traditional IDCs
D) Public cloud service (IaaS/PaaS/SaaS)

2. (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) RIP
B) IS-IS
C) BGP
D) OSPF

3. Multichassis Link Aggregation Group (M-LAG) bundles multiple physical links connecting ServerA (a device or host) to DeviceA and DeviceB into a logical link, and allows DeviceA and DeviceB to appear to ServerA as a single device, improving link reliability from card-level to device-level.

A) TRUE
B) FALSE

4. What are the layers in the health model of the CloudFabric Solution?

A) Overlay layer
B) Service layer
C) Device layer
D) Protocol layer
E) Network layer

5. Which of the following are characteristics of distributed VXLAN gateways?

A) 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.
B) A leaf node can function as both a Layer 2 VXLAN gateway and a Layer 3 VXLAN gateway, supporting flexible deployment.
C) 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.
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.

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