[Q28-Q46] The H19-402_V1.0 PDF Dumps Greatest for the Huawei Exam Study Guide!

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The H19-402_V1.0 PDF Dumps Greatest for the Huawei Exam Study Guide!

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Huawei H19-402_V1.0 Exam Syllabus Topics:

Section	Objectives
Data Center Security and Reliability Design	– DDoS mitigation and access control – Security zoning and segmentation – Fault detection and recovery mechanisms
Data Center Virtualization and SDN	– SDN architecture and controller-based networking – Network virtualization and tenant isolation – Huawei CloudFabric concepts
Data Center Switching and Routing Technologies	– VXLAN and overlay networking – OSPF and BGP in data center environments – Layer 2/Layer 3 forwarding mechanisms
Deployment and Operations	– Troubleshooting methodologies – Monitoring and O&M practices – Data center network deployment planning
Data Center Network Architecture Principles	– Scalability and capacity planning – High availability and redundancy design – Data center network topology design (Spine-Leaf)

NEW QUESTION 28
Room-level chilled water solutions are recommended for large data centers.

True

False

NEW QUESTION 29
When UPS5000 series multi-rack network is connected and paralleled, the host should be set to?

One-to-many

One-to-one

Many to One

No setup required

NEW QUESTION 30
What is the range of battery cabinets in FusionModule800?

0~4

0~3

0~2

0~1

NEW QUESTION 31
(Which of the following statements is false about the underlay and overlay networks?)

The devices (such as servers, VAS devices, and external routers) connected to NVEs are unaware of the underlay network.

The overlay and underlay networks must use the same routing protocol.

Generally, the overlay network is implemented through VXLAN.

An overlay network is a logical network defined on a physical bearer network (underlay network).

In Huawei CloudFabric and modern data center architectures, the underlay and overlay networks are designed as independent layers with clear separation of responsibilities. The underlay network provides basic IP connectivity using standard Layer 3 routing (commonly using protocols such as OSPF, IS-IS, or even static routing), ensuring reliable transport between network devices.
The overlay network, typically implemented using VXLAN with BGP EVPN as the control plane, builds logical Layer 2/Layer 3 services on top of the underlay. Importantly, the overlay does not require the same routing protocol as the underlay. This independence allows flexible design, scalability, and easier evolution of services without modifying the physical infrastructure.
Option A is correct because endpoints (servers, VAS devices) are unaware of the underlay-they only interact with the overlay. Option C is correct as VXLAN is the mainstream overlay encapsulation technology. Option D correctly defines the overlay as a logical abstraction over the physical network.
Thus, statement B is false because Huawei explicitly supports different protocols between underlay and overlay layers.

NEW QUESTION 32
The asset management module of the NetEco management system supports which of the following parameters to quickly search for asset information? (Multiple choice)

Name

Location

Type

Status

NEW QUESTION 33
Class B machine rooms need to be equipped with generator sets.

True

False

NEW QUESTION 34
What are the dimensions of Huawei cabinets? (Multiple choice)

80012002000

80012002200

60012002000

60012002200

NEW QUESTION 35
NetEco supports northbound integration. Which of the following protocols is currently not supported?

SNMP

Webservice

Modbus

FTP

NEW QUESTION 36
Which of the following statements about micromodules are correct? (Multiple choice)

ECC800 can access no more than 4 external doors

ECC800 can connect no more than 4 cameras

ECC800 can be customized to connect to third-party devices

ECC800 can be connected to the CIM of the iBattery system

ECC800 provides free SNMP northbound interface

NEW QUESTION 37
Water-cooled air conditioners and chilled water air conditioners are the same refrigeration system

True

False

NEW QUESTION 38
In the UPS5000 configurator, Which of the following are the available module types? (Multiple choice)

50k efficient

25k

50k standard efficiency

60k

NEW QUESTION 39
The mechanical supplementary cooling ratio is ()

10%-50%

NEW QUESTION 40
Which of the following is not a characteristic of high-performance networks?

High throughput

Higher GPU computing power

Low latency

Zero packet loss

Comprehensive and Detailed 150 to 200 words of Explanation From Huawei data center:
Huawei data center materials describe a high-performance network using core technical indicators such as high throughput, low latency, and zero packet loss . These are the actual network characteristics used to evaluate whether a data center fabric can efficiently support AI computing, storage traffic, and east-west service communication. In Huawei’s intelligent lossless network design, the purpose is to build a fabric that forwards traffic at high speed, minimizes delay, and prevents packet loss under heavy load.
By contrast, Higher GPU computing power is not a direct network characteristic. It is an effect or business benefit that can result when the network performs well. Huawei explains that intelligent lossless networking improves AI cluster efficiency and helps computing resources operate more effectively, but GPU power itself belongs to the computing layer, not the network feature set. The network supports better GPU utilization; it does not define GPU computing power as one of its own characteristics.
Therefore, the correct answer is B .

NEW QUESTION 41
FusionModule 1000A V2R3 version can provide which of the following number of industrial cabinets for 40-foot IT scenarios? (Multiple choice)

NEW QUESTION 42
Which of the following FusionModule500&FusionModule800 display screen brands available?

Blue light

Huawei Honor

Apple

Samsung

NEW QUESTION 43
(It is recommended that the IP address of a loopback interface instead of the IP address of a physical interface on a device be used as a VTEP IP address of a VXLAN tunnel.)

TRUE

FALSE

In Huawei CloudFabric and VXLAN-based data center designs, it is a best practice to use the IP address of a loopback interface as the VTEP (VXLAN Tunnel End Point) source address instead of a physical interface IP.
This recommendation is based on reliability, stability, and operational flexibility.
A loopback interface is always in the UP state as long as the device is operational, whereas physical interfaces may go down due to link failures. If a physical interface IP is used as the VTEP source, any link failure would cause VXLAN tunnels to flap, impacting service continuity. In contrast, loopback interfaces remain reachable through the underlay network via dynamic routing protocols such as OSPF, IS-IS, or BGP, ensuring consistent tunnel endpoints.
Additionally, using loopback addresses supports ECMP (Equal-Cost Multi-Path) forwarding in the underlay, improving load balancing and network utilization. Huawei documentation strongly emphasizes this design principle to enhance VXLAN tunnel resilience and simplify network operations. Therefore, the statement is TRUE.

NEW QUESTION 44
How far can the FusionModule1000AV2R3 version IT cabinet slide in both directions?

100mm

150mm

200mm

220mm

NEW QUESTION 45
What is the system efficiency of UPS5000-E?

96%

97.10%

96.50%

97.50%

NEW QUESTION 46
What input methods does Huawei Magic Box Power Supply support? (Multiple choice)

Mains electricity

Solar energy

Battery

Oil engine

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[Q28-Q46] The H19-402_V1.0 PDF Dumps Greatest for the Huawei Exam Study Guide!

Huawei H19-402_V1.0 Exam Syllabus Topics:

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