Weekend Sale 65% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: sale65best

Free Huawei H12-921_V1.0 Practice Exam with Questions & Answers | Set: 3

Questions 21

When the source VM and the destination VM are connected to the same Leaf switch, the EPG packet information is easy to obtain if micro-segmentation is deployed. However, in the cross-leaf scenario, if the source VM and the destination VM are not connected to the same leaf switch, the packet information needs to be passed in the packet Which of the following scenarios was used?

Options:
A.

Carry the source EPG group ID in the reserved field in the VXLAN packet header

B.

In the 802. 1Q header carries the source EPG group ID

C.

Carry the source EPG group ID in the G flag in the header of the VXLAN packet

D.

Carry the source EPG group ID in the VNI field in the VXLAN packet header

Huawei H12-921_V1.0 Premium Access
Questions 22

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?

Options:
A.

PFC deadlock prevention

B.

PFC deadlock detection

C.

AI ECN

D.

DCQCN

Questions 23

Centralized storage generally provides data storage by the storage array, which of the following components does the storage array contain?

Options:
A.

Power module

B.

controller

C.

Hard disk enclosure

D.

Interface modules

Questions 24

When service packets are connected to a VXLAN network through a Layer 2 sub-interface, different flow encapsulation types need to be configured on different Layer 2 sub-interfaces

The same physical interface can access different data packets. Which of the following is NOT a stream encapsulation type that is supported by a Layer 2 sub-interface?

Options:
A.

QinQ

B.

Untag

C.

Dotlq

D.

Trunk

Questions 25

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?

Options:
A.

Business

B.

Configuration

C.

Hardware

D.

Agreement

Questions 26

Which of the following descriptions of data center interconnection solutions is wrong?

Options:
A.

The VLAN hand-off mode enables L2 communication between data centers

B.

In SegmentVXLAN mode, EVPN routes are transmitted in a three-stage mode to implement L3 communication between data centers

C.

The E2E EVPNVXLAN mode directly establishes a VXLAN tunnel between the VTEPs in two data centers

D.

After a VXLAN is established in the local mode in the segment VXLAN mode, packets are encapsulated with the local DCILeaf when they arrive at the local DCI Leat and are sent to the peer DCI Leat VNI, not the VNI of the peer DCI Leaf

Questions 27

What are the correct descriptions of the following CloudFabric solution rack rental scenarios?

Options:
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

Questions 28

Which of the following descriptions of the business chain is wrong?

Options:
A.

In the NSH implementation, the service chain function is implemented by inserting the NSH header into VXLAN packets

B.

In the PBR implementation, the controller delivers PBR diversion policy routes to SFF and SC nodes hop-by-hop through NETCONF

C.

In PBR implementation, the controller delivers filtering and redirection policies to the SC nodes to selectively redirect service traffic

D.

In the NSH implementation, the SF node must support NSH

Questions 29

Which of the following lossless technologies can be deployed in an intelligent lossless data center network based on Huawei's CloudFabric solution?

Options:
A.

IQCN

B.

PFC

C.

ECN

D.

INOF

Questions 30

In the CloudFabric cloud-network integration scenario, which of the following descriptions of secondary restore is incorrect?

Options:
A.

After services delivered by the cloud platform are restored on iMaster NCE-Fabric, you can use the batch configuration function to perform batch secondary orchestration

B.

By default, VPC interconnection does not support communication between the same subnet under different routers

C.

MDC cross-DC orchestration is not supported

D.

The service chain can be configured for secondary restoration

Exam Code: H12-921_V1.0
Certification Provider: Huawei
Exam Name: HCIE-Data Center Network (Written) V1.0
Last Update: Jul 12, 2025
Questions: 239

Huawei Related Exams

H19-375_V1.0 - HCS-Pre-sales-IP(DCN) V1.0
H20-683_V1.0 - HCSP-Field-Smart PV V1.0
H12-111_V3.0 - HCIA-IoT V3.0
H19-627_V1.0 - HCSP-Presales-Manufacturing V1.0
H19-421_V1.0 - HCSA-Presales-Intelligent Computing V1.0
H28-121_V1.0 - HCSP-Development-MetaWorks V1.0
H19-120 - HCPA-PV(Huawei certified Pre-sales Associate-Photovoltaic)
H19-436_V1.0 - HCSE-Presales-Storage V1.0
H35-520 - Huawei Certified Network Associate - WCDMA RNP&RNO
H35-662 - HCSP-Solution-5GtoB Service V1.0
H12-621_V1.0 - HCIP-openEuler V1.0
H13-111_V2.0 - HCIA-Kunpeng Application Developer V2.0
H14-211_V2.0 - HCIA-HarmonyOS Application Developer V2.0
H21-311_V1.0 - HCSA-Presales-IdeaHub(Distribution) V1.0
H19-368_V1.0 - HCS-Pre-sales-Transmission & Access V1.0
Huawei Free Access
Get Huawei Full Access

Huawei Free Exams
Huawei Free Exams
Get free access to Huawei exam materials and practice tests at Examstrack. Enhance your preparation with reliable resources designed to help you succeed in your Huawei certification exams.