Huawei H12-921_V1.0 Test Passed : HCIE-Data Center Network (Written) V1.0

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Huawei H12-921_V1.0 Exam Syllabus Topics:

Huawei HCIE-Data Center Network (Written) V1.0 Sample Questions:

Question 1

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

Question 2

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

Question 3

Which of the following components of open-source OpenStack provides a Dashboard for users to use?

A. Keystone
B. Heat
C. Horizon
D. Cinder

Question 4

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

Question 5

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

Solutions: