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Huawei H19-402_V1.0 Exam Syllabus Topics:

Huawei HCSP-Presales-Data Center Network Planning and Design V1.0 Sample Questions:

1. How long does it take to perform a switchover in M-LAG 2.0 upon a single point of failure?

A) 5 ms
B) 1 s
C) 100 ms
D) 20 ms

2. Which of the following network components in OpenStack interconnects with iMaster NCE-Fabric?

A) Neutron
B) Nova
C) Keystone
D) Cinder

3. One logical switch can be associated with only one subnet, and one subnet can be associated with only one logical switch.

A) FALSE
B) TRUE

4. Which of the following statements is false about in-band and out-of-band deployment of iMaster NCE-Fabric?

A) In in-band deployment mode, the management network and service network share service network ports. The southbound IP address of iMaster NCE-Fabric communicates with the management IP addresses of devices through the service network.
B) In in-band deployment mode, the management network and service network are isolated and do not affect each other.
C) In out-of-band deployment mode, iMaster NCE-Fabric connects to the management interfaces of devices through the out-of-band management switch.
D) In in-band deployment mode, service network ports have redundant connections, eliminating single points of failure and providing high reliability.

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

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

Solutions: