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Huawei H12-921_V1.0 Exam Syllabus Topics:

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

Question 1

In a CloudFabric multi-computing lossless network, if a device wants to remove the PFC deadlock by not responding to a backpressure frame, which of the following lossless functions needs to be deployed?

A. PFC deadlock prevention
B. AI ECN
C. PFC deadlock detection
D. DCQCN

Question 2

As shown in the figure in the Multi-PoD solution of the CloudFabric solution, VPC1 Ext VRF on Border Leaf1 is used in the VPC centralized egress scenario Which of the following methods can be used to connect a route between a VPC1 VRF and a VPC1 VRF?

A. Static routes
B. OSPF
C. Policy-based routing
D. BGP

Question 3

What are the following descriptions of micro-segmentation, and what are the errors?

A. In the local forwarding scenario, the source VM and destination VM are on the same network device, and the EPG packet information is maintained on the network device
B. Group members of the same EPG can communicate directly with each other, and there is no restriction on how they cannot communicate with each other
C. GBP is a flow control policy based on EPG packets + protocol number + port number, which specifies the flow control policies within EPG packets and between EPG packets
D. In the cross-device forwarding scenario, the destination EPG group number is written to the VXLAN packet header and forwarded to the remote VTEP

Question 4

What is correct about the following description of Docker?

A. Image files are stored centrally in a repository and can be public or private
B. The Docker engine obtains the image from the repository and runs the container on the corresponding host
C. 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
D. Docker containers are created based on images, and a running container is a process running on a Docker host

Question 5

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. NETCONF
C. OpenFlow
D. ERSPAN

Solutions: