Huawei H12-921_V1.0-ENU HCIE-Data Center Network (Written) V1.0 Online Training
Huawei H12-921_V1.0-ENU Online Training
The questions for H12-921_V1.0-ENU were last updated at Dec 01,2024.
- Exam Code: H12-921_V1.0-ENU
- Exam Name: HCIE-Data Center Network (Written) V1.0
- Certification Provider: Huawei
- Latest update: Dec 01,2024
Which of the following devices can be used as service nodes in the service chain?
- A . Firewall
- B . WAF
- C . LoadBalance
- D . NIP
Which of the following descriptions of the open source OpenStack Glance component is correct?
- A . Modifying an instance that is started based on an image is actually modifying the image
- B . Glance provides the ability to discover, register, and retrieve virtual machine images
- C . Virtual Machine Instance images provided by Glance can only be placed in object storage provided by Swift
- D . You can launch only one instance from the same image
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
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
Which of the following device statistics cannot be viewed in the device management of iMaster NCE-Fabric?
- A . switchboard
- B . router
- C . firewall
- D . server
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
Which of the following describes the error in the CloudFabric network virtualization scenario?
- A . Network administrators control the network through iMaster NCE-Fabric
- B . When the compute administrator creates the VM, select the PortGroup for the corresponding network
- C . Compute administrators manage compute resources through VMM
- D . iMaster NCE-Fabric obtains the connection between the host and the TOR port through VMM
When the cloud platform creates a VM resource, it needs to call multiple components, such as Nova, Cinder, Glance, etc., and the authentication and authentication between the components depends on which of the following options?
- A . Freezer
- B . Watcher
- C . Keystone
- D . Zun
In Huawei’s CloudFabric solution, in the scenario where the Border Leaf and Service Leaf are separated, what are the correct descriptions of the following principles for traffic orchestration between internal and external networks?
- A . The controller creates the corresponding tenant VRF and egress VRF on the Border Leaf based on the tenant network and the external network
- B . The route to the external network on the border leaf is delivered by the iMaster NCE-Fabric controller, and only static routes can be delivered to connect with the external network
- C . The controller creates the corresponding tenant VRF and egress VRF on the Service Leaf based on the tenant network and the external network
- D . The backhaul route from the external network to the tenant network needs to be configured by the external network and cannot be delivered by the iMaster NCE-Fabric controller
Runbook action (An action is composed of multiple steps, in which of the following APIs should each step be required??)
- A . RESTful
- B . NETCONF
- C . OpenFlow
- D . gRPC