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Huawei H19-402_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Intelligent Lossless Data Center Network	8%	- Lossless network principles - Congestion control and QoS
Topic 2: CloudFabric Service Automation Scenarios	4%	- Container network solutions - Cloud-network integration - Network virtualization integration
Topic 3: CloudFabric Network Design	7%	- Overlay network design - Underlay network design - Multi-DC interconnection design
Topic 4: M-LAG	9%	- Deployment and application scenarios - M-LAG working mechanism
Topic 5: Data Center Network Overview	16%	- Typical DCN architecture models - Basic concepts and development trends of DCN
Topic 6: Huawei CloudFabric Solution	17%	- Solution positioning and components - Architecture and value
Topic 7: VXLAN and BGP EVPN	10%	- BGP EVPN control plane and forwarding - VXLAN principles and implementation
Topic 8: Security and O&M Design	7%	- Network security design - Intelligent O&M and monitoring
Topic 9: iMaster NCE-Fabric	6%	- Network management and automation - Functions and architecture
Topic 10: Technical Fundamentals of Data Communications Networks	9%	- High availability technologies - Routing and switching basics

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Huawei HCSP-Presales-Data Center Network Planning and Design V1.0 Sample Questions (Q25-Q30):

NEW QUESTION # 25
An underlay network is a bearer network consisting of physical devices, such as TOR switches, aggregation switches, core switches, LBs, and firewalls.

A. TRUE
B. FALSE

Answer: B

Explanation:
In Huawei CloudFabric architecture, the underlay network is defined as a pure IP transport (bearer) network whose primary role is to provide Layer 3 reachability between VTEPs (VXLAN Tunnel Endpoints) . It is designed to be simple, stable, and highly reliable , typically composed of spine and leaf switches running routing protocols such as OSPF, IS-IS, or EBGP .
The statement is false because it incorrectly includes LBs (load balancers) and firewalls as part of the underlay network. In Huawei design principles:
Underlay = physical IP forwarding infrastructure (switch fabric only)
Overlay/services = VAS devices (firewalls, load balancers, etc.)
Firewalls and load balancers are considered service devices (VAS) and are usually connected via service leaf nodes or border leaf nodes , operating in the overlay/service layer , not as part of the underlay forwarding plane.
Additionally, the underlay is typically implemented using a spine-leaf architecture , not traditional three-tier (core/aggregation/access) designs.
Therefore, the statement is FALSE .

NEW QUESTION # 26
Regarding fluorine pump type energy-saving air conditioning products, which of the following statements is correct? (Multiple choice)

A. In autumn, winter and spring, the compressor is not turned on or turned on less frequently, and indirect natural cooling is used for energy-saving operation, but it does not necessarily reduce OPEX.
Because the maintenance work and difficulty of maintenance are increasing simultaneously
B. Currently, the main users are operator pilot computer rooms and enterprise computer rooms with energy-saving innovation budgets. It has not yet formed large-scale applications and is still waiting for field testing.
C. There is no professional pump supplier for fluorine pumps. Most of them are provided by water pump manufacturers. The technology is immature and lacks professional technical support.
D. In most areas of China, the TCO advantage is not obvious because the winter temperature is not low enough. It generally takes 5 to 8 years to recover the investment, which is not economical.
E. Fluorine pumps have a high reliability risk and are easily damaged by cavitation (gaseous refrigerant exists near the blades).

Answer: A,B,C,D,E

NEW QUESTION # 27
Which of the following is the cloud management platform in the Huawei Cloud Stack (HCS) architecture?

A. FusionSphere
B. Virtual Machine Monitor
C. ManageOne
D. Hypervisor

Answer: C

Explanation:
In Huawei Cloud Stack (HCS) architecture, ManageOne serves as the unified cloud management platform , responsible for end-to-end orchestration, service provisioning, and lifecycle management across compute, storage, and network resources. It provides a centralized portal for administrators and tenants, enabling automated deployment and O & M of cloud services.
FusionSphere is Huawei's virtualization platform (similar to OpenStack + hypervisor integration) and operates at the resource layer, not as the top-level management system. Hypervisor and Virtual Machine Monitor (VMM) are components of the virtualization layer that manage virtual machines on physical servers, but they lack cloud-wide orchestration capabilities.
From a Huawei CloudFabric perspective, ManageOne integrates with controllers like iMaster NCE-Fabric to automate network provisioning, enabling seamless underlay and overlay configuration. It supports multi-data- center management, self-service portals, and policy-driven automation, which are essential for modern cloud data center operations.
Therefore, ManageOne is the correct answer as the cloud management platform in HCS.

NEW QUESTION # 28
NetCo15000-C row-level chilled water intelligent temperature control products support return air, supply air, cold aisle, hot aisle and other temperature and humidity control types

A. False
B. True

Answer: B

NEW QUESTION # 29
UPS5000-E has strong load adaptability, and how much capacitive/inductive load/hysteresis can be applied without derating?

A. 0.4
B. 0.7
C. 0.6
D. 0.5

Answer: D

NEW QUESTION # 30
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