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Huawei H12-921_V1.0 - HCIE-Data Center Network (Written) V1.0

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Total 239 questions

Which of the following technologies is required when the IPv6 network of a data center interconnects with multiple ISP egresses and provides service access for IPv6 users?

ADDRESS TRANSLATION Between IPV6 AND IPv6?

A.

NAT64

B.

IVI

C.

NAT44

D.

NAT66

What are the features of OVS (Open Virtual Switch)?

A.

Supports a variety of standard management interfaces, such as NetFlow, sFlow, RSPAN, ERSPAN, CLI, etc

B.

OVS is a software-based virtual Ethernet switch

C.

Distributed environments that span multiple physical servers aren't supported

D.

Only one OVS can be configured on a physical server

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

A.

Nova relies on Keystone, Neutron, Glance, and Heat when creating virtual machines

B.

In some previous versions of OpenStack, Nova was responsible for implementing compute, storage, and networking functions

C.

Nova deploys Nova Compute on the control node to connect with hypervisors of different platforms to achieve virtualization platform agnosticism

D.

Nova supports the management of bare metal, virtual machines, and containers

Network-wide intelligent O&M is a feature of Huawei's CloudFabric solution, which provides intelligent O&M compared with traditional device-centric O&M

It is centered on which of the following, minutes

Level of identifying cyber risks?

A.

Business

B.

Configuration

C.

Hardware

D.

Agreement

Which of the following layers does the CloudFabric cloud-network integration solution architecture consist of?

A.

Network service layer

B.

Business presentation layer/collaboration layer

C.

Network Analysis/Control Layer

D.

Storage access layer

As shown in the figure, in the Multi-Site scenario of the CloudFabric solution, traffic destined for VM2 to VM1 passes through the two fabrics in the order of which of the following options GW's VRF?

A.

VPC2 VRF->VPC1 VRF

B.

VRF2->VRF1

C.

VRF2->VPC1 VRF

D.

VPC2 VRF->VRF 1

In the CloudFabric solution architecture, which of the following interfaces does the control layer interconnect with the application layer, receive the service instructions issued by the application layer, and return status information to the application layer?

A.

NETCONF

B.

SNMP

C.

OpenFlow

D.

RESTful/RPC

Which of the following is NOT a disadvantage of PCIe-based NVMe?

A.

Multi-host sharing is inconvenient

B.

Limited scalability, up to 255 nodes

C.

Direct connection to the CPU is not supported

D.

Can't pull it far

In the Multi-PoD solution of the CloudFabric solution, when the VPC communicates through the wall, which of the following methods does the FW and Service Leaf use to open up the route?

A.

Static routes

B.

BGP

C.

Policy-based routing

D.

OSPF

Which of the following in server virtualization provides a user interface, has functions such as monitoring and managing virtualized resource pools, simplifying virtual machine management processes, and configuring resource scheduling policies and execution rules?

A.

Hypervisor

B.

Virtualization management platform

C.

Virtual machines

D.

Host OS