Download Huawei : H12-921_V1.0 Questions & Answers as PDF & Test Software
Updated: Jun 02, 2026
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Huawei HCIE-Data Center Network (Written) V1.0 Sample Questions:
1. Which of the following descriptions of headroom caching is correct in CloudFabric lossless networking?
A) The headroom cache is used to store packet D. received from the time when the queue sends a PFC backpressure notification packet to before the upstream device stops sending packets Headroom cache space actually occupies the shared cache of the outbound queue
B) The headroom cache room is fixed at 20M
C) Headroom cache space actually occupies the Guaranteed cache of the inbound queue
2. In the CloudFabric cloud-network integration scenario, which of the following descriptions of secondary restore is incorrect?
A) The service chain can be configured for secondary restoration
B) MDC cross-DC orchestration is not supported
C) By default, VPC interconnection does not support communication between the same subnet under different routers
D) After services delivered by the cloud platform are restored on iMaster NCE-Fabric, you can use the batch configuration function to perform batch secondary orchestration
3. Which of the following items can be detected by the underlay network post-event verification function implemented on iMaster NCE-Fabric?
A) Network configuration parameters
B) Routing black holes
C) Path connectivity
D) Routing loops
4. In which of the following scenarios would a physical hard disk be converted into a block device?
A) Virtual machines access remote centralized storage devices via NFS
B) The computer uses a local hard disk
C) Virtual machines access remote centralized storage devices via FC-SCSI
D) Virtual machines access remote centralized storage devices via iSCSI
5. Which of the following descriptions of data center interconnection solutions is wrong?
A) In SegmentVXLAN mode, EVPN routes are transmitted in a three-stage mode to implement L3 communication between data centers
B) The VLAN hand-off mode enables L2 communication between data centers
C) After a VXLAN is established in the local mode in the segment VXLAN mode, packets are encapsulated with the local DCILeaf when they arrive at the local DCI Leat and are sent to the peer DCI Leat VNI, not the VNI of the peer DCI Leaf
D) The E2E EVPNVXLAN mode directly establishes a VXLAN tunnel between the VTEPs in two data centers
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: A,B,C,D | Question # 4 Answer: C,D | Question # 5 Answer: C |
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