The latest H12-921_V1.0-ENU HCIE-Data Center Network (Written) V1.0 Exam Questions are newly released by PassQuestion team which can help you pass your exam easily. These exam questions have been meticulously designed to provide you with the most comprehensive and up-to-date content to ensure your success in the exam. With H12-921_V1.0-ENU HCIE-Data Center Network (Written) V1.0 Exam Questions, you can confidently prepare for and pass your exam with ease. Our H12-921_V1.0-ENU exam questions cover all the exam objectives, allowing you to fully grasp the key concepts and knowledge required for the exam. Trust PassQuestion to guide you toward exam success!

HCIE-Data Center Network (Written) V1.0

Passing the HCIE-Data Center Network certification will demonstrate that you possess a strong theoretical understanding of data center network scenarios and have the ability to utilize Huawei data center network products and solutions for planning, deployment, maintenance, and optimization of data center networks. This certification will qualify you for expert roles within the data center network field, including positions such as account managers, project managers, pre-sales experts, post-sales experts, and network architects.

Exam Name	Exam Code	Language	Exam Format	Exam Cost	Exam Duration	Pass Score/Total Score
HCIE-Data Center Network (Written)	H12-921	ENU/CHS	True-false Question, Single Answer, Multiple Answer, Fill in the bank answers, Drag and drop item	300USD	90min	600/1000

HCIE-Data Center Network (Written) V1.0 Exam Content

The HCIE-Data Center Network V1.0 Certification Exam encompasses fundamental knowledge of data center networks, as well as advanced technologies and their applications. It also includes an examination of the Huawei CloudFabric solution, planning and design of data center networks, and the operation and maintenance of data center networks.

Knowledge Module Percentage	Written Exam Percentage
Data Center Network Basic Knowledge	15%
Advanced Technologies and Applications of Data Center Networks	31%
Huawei CloudFabric Solution	30%
Data Center Network Planning and Design	8%
Data Center Network O&M	16%

HCIE-Data Center Network (Written) V1.0 Exam Knowledge points

Data Center Network Basic Knowledge

Data Center and Data Center Network Technologies

• DC Overview
• Data Center Network Overview
• Overview of Key DC Technologies

Huawei CloudFabric Hyper-Converged DCN Solution

• Development Trends and Challenges of DCNs
• Huawei CloudFabric Solution
• Solution Features

Technical Principles and Applications of VXLAN

• Background of VXLAN
• Basic Concepts and Fundamentals of VXLAN
• EVPN VXLAN Fundamentals
• Multicast VXLAN Fundamentals
• Application of VXLAN in DCI
• VXLAN Deployment Cases in Typical Scenarios

Technical Principles and Applications of Microsegmentation and SFC

• Microsegmentation
• SFC

Advanced Technologies and Applications of Data Center Networks

Technical Principles and Applications of Virtualization

• Server Virtualization
• Network Virtualization

Technical Principles and Applications of the OpenStack Cloud Platform

• Introduction to OpenStack
• Key Components of OpenStack
• OpenStack Applications

Technical Principles and Applications of Containers and Kubernetes

• Introduction to the Container Technology
• Introduction to the Container Management Platform

Technical Principles and Applications of HPC and AI Computing

• Overview of Computing Industry Development
• High-Performance Computing
• AI and Deep Learning

Technical Principles and Applications of Storage

• Storage Basics
• Storage Technology Principles
• Storage Technology Applications in DCs

Technical Principles and Applications of the Intelligent and Lossless Network

• Development Trend of Intelligent and Lossless Network Technologies
• Principles of Key Technologies of the Intelligent and Lossless Network
• Typical Scenarios of Intelligent Lossless Network

Huawei CloudFabric Solution

CloudFabric Computing and Hosting Network Solutions

• CloudFabric Solution Overview in the Network Virtualization Scenario
• CloudFabric Solution in the Computing Scenario
• CloudFabric Solution in the Hosting Scenario

CloudFabric Cloud-Network Integration and Container Network Solutions

• CloudFabric Cloud-Network Integration Solution — OpenStack Scenario
• CloudFabric Container Network Solution

CloudFabric Data Center Network Deployment Guide (Cloud-Network Integration Scenario)

• Deployment Process Overview
• iMaster NCE-Fabric Pre-configuration and Interconnection
• Service Provisioning

CloudFabric Multi-Cloud and Multi-DC Solution

• Multi-DC Scenarios
• Multi-PoD Solution Introduction
• Multi-Site Solution Introduction
• Hybrid Cloud Solution Introduction

CloudFabric Supercomputing Network Solution

• Background and Challenges of Diversified Computing
• Lossless Network Solution Design for Diversified Computing
• Lossless Network Design Case for Diversified Computing

CloudFabric Storage Network Solution

• Overview of Storage Industry Development
• Intelligent and Lossless Network Solution for Distributed Storage
• Intelligent and Lossless Network Solution for Centralized Storage (NoF+)

CloudFabric Data Center Network Security Solution

• DCN Security Solution Overview
• DCN Security Design
• DCN Security Service Orchestration

Data Center Network Planning and Design

CloudFabric Data Center Network Planning and Design

• CloudFabric Solution and DCN Overview
• Network Architecture Design and Data Planning
• Underlay Network Design
• Overlay Network Design
• Multi-PoD and Multi-Site Design
• Network Security Design
• Network Management and O&M Design

CloudFabric Data Center Network IPv6 Evolution Solution

• IPv6 Address Planning for DCNs
• Key IPv6 Evolution Technologies for DCNs
• IPv6 Evolution Solution for DCNs
• IPv6 Service Rollout on DCNs (CloudFabric Cloud-Network Integration Solution)

Data Center Network O&M

CloudFabric Intelligent Data Center Network O&M Solution

• DCN O&M Challenges and CloudFabric Intelligent DCN O&M Solution
• iMaster NCE-Fabric
• iMaster NCE-FabricInsight

Data Center Network Typical O&M

• DCN Typical O&M Scenarios
• DCN Management and Monitoring
• DCN Typical Troubleshooting

Data Center Network Automated O&M (Network Service Open Programmability)

• Overview of Network Service Open Programmability
• Overview of Network Service Open Programmability of iMaster NCE-Fabric
• Details About Network Service Open Programmability of iMaster NCE-Fabric

View Online HCIE-Data Center Network (Written) V1.0 H12-921_V1.0-ENU Free Questions

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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