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Huawei H12-921_V1.0 Exam Syllabus Topics:

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

1. Which of the following descriptions of lossless network prioritization design for multivariate computing is wrong?

A) 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
B) Huawei data center switches support the 8021p priority-based PFC function
C) You need to plan a separate priority queue for RoCE traffic and enable the PFC feature
D) Huawei data center switches support the PFC function based on DSCP priority

2. When packet loss occurs in a CloudFabric data center network, which of the following operations does the network administrator need to do first?

A) Confirm the fault information
B) Fault isolation
C) Fault demarcation and positioning
D) Troubleshooting

3. Device configuration parameters can be adjusted when using the edge intelligence function of iMaster NCE-FabricInsight for specified stream analysis. Which of the following device configurations cannot be automatically delivered during UDP specified stream analysis?

A) ACL Number
B) Whether the VXLAN packet is matched
C) Active aging time
D) Whether to match TAG packets with a layer 1 VLAN

4. What are the following descriptions of open source OpenStack components, and what are the errors?

A) OpenStack controls and manages corresponding resources through the collaborative interaction of various components
B) OpenStack uses Ceilometer components to monitor business modules, including: Cinder, Neutron ,Nova, Swift Glance
C) The OpenStack computing resource architecture adopts a multi-level architecture, from top to bottom:
Region and Host Aggregate AZ
D) The OpenStack architecture includes not only the components of computing, network, and storage, but also other module components such as orchestration and shared services

5. What are the correct terms of the following descriptions of underlays and overlay networks?

A) Overlay Routes for the network are generated by routes that are ingested into the underlay network
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) From the perspective of an overlay network, the underlay network is transparent to devices connected outside of the VXLAN tunnel endpoints
D) When implementing the overlay technology in the underlay network, the original underlay network needs to be modified to a certain extent

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