HCIE-Data Center Network (Written) V1 0 H12-921_V1 0-ENU Dumps

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H12-921_V1.0-ENU 
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1. After installing a CloudFabric data center network based on 
iMasterNCEFabric, the connectivity test is performed in 
iMasterNCEFabric, and the result is displayed as "Failed. Which of 
the following features is recommended for further detection?
A. Single-path detection
B. Data consistency check
C. Business simulation
D. Loop detection
Answer: A
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2. What is correct about the following description of Docker?
A. Image in Docker can be regarded as a special file system, which 
only provides the programs required by the container runtime, and 
the libraries, resources, configurations, and other files required by 
the container runtime are hosted by the host Machine OS provides
B. The Docker engine obtains the image from the repository and 
runs the container on the corresponding host
C. Image files are stored centrally in a repository and can be public 
or private
D. Docker containers are created based on images, and a running 
container is a process running on a Docker host
Answer: BCD
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3. What are the correct descriptions of the following CloudFabric 
solution rack rental scenarios?
A. The controller delivers the orchestrated services to the network 
device for automatic configuration
B. When a tenant submits a lease intention to an operator, it must 
specify the lease form, bandwidth, and value-added services
C. The tenant obtains the server's IP , account number, password, 
and other information from the carrier and uses the network
D. Tenants can only use VAS services provided by carriers
Answer: ABC
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4. Which of the following descriptions of VAS resource pooling deployment is correct 
in the CloudFabric solution?
A. Centralized VAS resource pools do not support active/standby deployments and 
are prone to single points of failure
B. When a distributed VAS resource pool is deployed, a single point of failure is 
avoided because VAS resources exist in each fabric
C. A centralized VAS resource pool refers to the construction of an independent VAS 
resource pool outside the business Fabric region, and each Fabric shares resources to 
maximize resource utilization
D. Distributed VAS resource pool refers to planning an independent VAS resource 
pool in each Fabric,mand forming an overall VAS resource pool through a large Layer 
2 network , with each Fabric interval VAS resource sharing
Answer: C
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5. In the CloudFabric cloud-network integration scenario, when the 
underlay network is manually deployed, which of the following 
options does not need to be deployed on the firewall?
A. Enable the NETCONF function
B. Set the default security policy to Allow
C. Turn on the virtual system
D. Configure hot standby for two machines in load balancing mode
Answer: D
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6. Which of the following components in Huawei's intelligent 
lossless network solution architecture for multi-computing scenarios 
offloads the RDMA input layer and the following protocol stacks to 
the NIC hardware, so that peripherals can directly access the 
memory of the remote host?
A. NIC driver
B. SmartNIC
C. Network equipment
D. iMasterNCEFabric
Answer: B
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7. An MPI collection operation is when all processes in a 
communication space work together to accomplish a specific data 
operation and transmission. Which of the following items fall into a 
common collection action type?
A. MPI_Scatter
B. MPI_AllReduce
C. MPI_Gather
D. P2P
Answer: ABC
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8. In the CloudFabric network virtualization scenario, which of the 
following interfaces does iMaster NCE-Fabric use to interconnect 
with the northbound system?
A. RESTful
B. OpenFlow
C. NETCONF
D. ERSPAN
Answer: A
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9. As shown in the diagram, when DCs are interconnected via VLAN 
Hand-off, which of the following describes the error?
A. DCI-GW requires VXLAN support
B. DCI-GW does not learn the routes between the service host and 
the network
C. Transmission of common VLAN packets between the Fabric-GW 
and the DCI-GW
D. The DCI network only passes the underlay route for the DCI-GW
Answer: B
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10. Which of the following options is a software platform in the HPC 
scenario of Huawei's CloudFabric solution ?
A. Compiler
B. Scheduler
C. Math Library
D. Operating System
Answer: ABCD