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Huawei H12-921_V1.0 Exam Syllabus Topics:

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

Question 1

Which concept in the MDC orchestration model is mapped to the TGW routing table in the AWS public cloud model in the CloudFabric solution?

A. TransitRouter
B. TGW Router
C. External gateways
D. TransitVAS

Question 2

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

Question 3

OpenStack abstracts networks based on Neutron components, including Network, Subnet, and Port Which one is wrong?

A. Neutron's ML2 plug-in components provide Network, Subnet, and Port services
B. A subnet is an IPv4/IPv6 address segment, and the subnet needs to be mapped to the network
C. The virtual machine is associated with the network through a port
D. Network is an isolated Layer 2 network, including VLANs and VXLANs

Question 4

Which of the following types of hard drives can support SATA, SAS, and PCIe interfaces?

A. SCM
B. Flash
C. SSD
D. HDD

Question 5

What is wrong in the following description of the open source OpenStack Nova workflow?

A. The user's virtual machine operation request is passed to the Nova component via the Nova API
B. Nova-Schedule will perform two steps of Filter and Weight when allocating compute nodes
C. Nova-API uses a RESTful API to tell Nova-Schedule to select a physical server
D. By default, Nova-Schedule uses the number of CPUs as the weight value of the physical machine to select the optimal physical machine

Solutions: