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Free Huawei H12-921 Practice Questions & Answers 2026 Part1 | HCIE-Data Center Network

Are you preparing for the Huawei H12-921 certification exam? SPOTO offers the Huawei H12-921 Premium File; all questions are aligned with the latest exam content and come with expert-provided answers. Our question banks cover the latest question types, core concepts, and detailed explanations, helping you familiarize yourself with the exam format and difficulty level. Whether you are reviewing core concepts or simulating a real exam environment, these resources will rapidly boost your confidence and readiness.
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Question #1
Which of the following descriptions of the Underlay Distributed Gateway Networking Solution (VLAN Scheme) of Multivariate Computing Lossless Network is wrong?
A. his solution uses different BDs to achieve inter-tenant isolation to meet the security requirements of multi-tenant isolation
B. pine is deployed as a stand-alone L3 device and forms ECMP with Leaf to achieve traffic load balancing
C. pine-Leaf supports Layer 2 or Layer 3 networking
D. he Leaf switch is deployed as an L3 gateway and needs to enable the ARP Any-Agent feature
View answer
Correct Answer: A
Question #2
Linux namespace mainly solves the problem of environmental isolation, we also need to solve the isolation of computer resource use, which of the following techniques is used to achieve this requirement?
A. rocess ID
B. torage I/0
C. group
D. ypervisor
View answer
Correct Answer: C
Question #3
Which of the following statements are false about microsegmentation and SFC? (Choose all that apply.)
A. n the SFC scenario, automatic isolation is implemented after EPGs are configured
B. n the SFC scenario, EPGs can only be configured based on logical routers, logical switches, and external network domains
C. n the microsegmentation scenario, EPGs can be configured based on logical switches, external network domains, subnets, and terminals
D. n the microsegmentation scenario, traffic between the source EPG and destination EPG can be redirected to SF nodes
View answer
Correct Answer: AD
Question #4
Which of the following is the role of SI in the NSH service chain?
A. sed to indicate the next-hop IP address
B. he SI value can be used to calculate the number of business function points that are currently eclips
C. he path number of the service chain
D. sed to prevent loops
View answer
Correct Answer: B
Question #5
In the CloudFabric Cloud-Network Integration OpenStack scenario, two dual-stack VMs in a company's intranet are in the same VPC, and they want to send files to each other (without going through the firewall). In this case, when you create a subnet on the OpenStack cloud platform, you do not need to specify which of the following parameters?
A. P version
B. ssociated routes
C. ubnet name
D. etwork address
View answer
Correct Answer: B
Question #6
Which of the following descriptions of open source OpenStack Nova components is wrong?
A. ova is used to provide virtual computing resource services for the OpenStack cloud platform
B. ova supports creating, modifying, and deleting virtual machines
C. ova relies on Keystone for certification services
D. hen Nova creates a virtual machine, it calls the network interface of Glance to create the virtual machine
View answer
Correct Answer: D
Question #7
Which of the following parameters is used by OpenStack to define VM specifications?
A. lavor
B. atasheet
C. nstance
D. abel
View answer
Correct Answer: A
Question #8
Which of the following is a VM monitor in compute virtualization?
A. ost OS
B. uest machine
C. uest OS
D. ypervisor
View answer
Correct Answer: D
Question #9
Which of the following descriptions of VNI in a VXLAN network is correct?
A. 3 VNI is associated with a VPN instance to forward VXLAN packets across subnets, and VPIN instances associated with different L3 VNIs only need to be RT Values can be matched to achieve interoperability
B. 2 VNI is used to forward VXLAN packets on the same subnet, and different BDs can also use the same L2 VNI to achieve Layer 2 communication on VXLAN networks
C. tenant can have one or more VNIs with a VNI length of 16 bits, supporting millions of tenants
View answer
Correct Answer: B
Question #10
Which of the following is not part of the analysis scope of the iMaster NCE-FabricInsight network snapshot function?
A. RP entries
B. umber of packets lost on the interface
C. evice startup configuration
D. GP and OSPF protocols
View answer
Correct Answer: C
Question #11
Which of the following statements is false about distributed storage?
A. n model parallel mode, compute nodes interact only with trained submodels and obtain the final model through model convergence
B. istributed training is suitable for scenarios that involve large amounts of data and complex models
C. n data parallel mode, each compute node trains a complete model based on the allocated partial data
D. istributed training jobs are usually performed in a data or model parallel environment
View answer
Correct Answer: A

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