H19-402_V1.0 Aktuelle Prüfung - H19-402_V1.0 Prüfungsguide & H19-402_V1.0 Praxisprüfung

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Huawei H19-402_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: VXLAN and BGP EVPN	10%	- VXLAN fundamentals - Overview of VXLAN and DCN virtualization - Application of VXLAN on DCNs - Basic concepts of VXLAN
Topic 2: CloudFabric Underlay and Overlay Network Design	7%
Topic 3: iMaster NCE-Fabric	6%
Topic 4: M-LAG	9%	- M-LAG deployment scenarios - M-LAG failure protection - Fundamentals of M-LAG - Overview of M-LAG
Topic 5: Intelligent O&M of the CloudFabric Solution	3%
Topic 6: Four CloudFabric Service Automation Scenarios and Related Solutions	4%	- Computing - Network virtualization - OpenStack cloud-network integration - Kubernetes container network
Topic 7: Intelligent Lossless Data Center Network	8%	- Key technical principles of intelligent lossless Ethernet networks - Typical networking - Data center network in the era of intelligence
Topic 8: Technical Fundamentals of Data Communications Networks	9%	- VPN - Network security - Network reliability - Basics of Ethernet switching - Network reachability - Network service and management
Topic 9: Data Center Network Overview	16%	- Terms and key technologies of DCs - DC and DCN overview
Topic 10: Typical DCN Design Guide	11%
Topic 11: Huawei CloudFabric Solution	17%	- Components of Huawei CloudFabric solution - Basic concepts of Huawei CloudFabric solution - Architecture and functions of Huawei CloudFabric solution

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H19-402_V1.0 Prüfungen - H19-402_V1.0 Testantworten

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Huawei HCSP-Presales-Data Center Network Planning and Design V1.0 H19-402_V1.0 Prüfungsfragen mit Lösungen (Q36-Q41):

36. Frage
The PDU8000 precision power distribution cabinet uses a 7-inch LCD color touch screen, which can graphically display the power distribution cabinet system diagram and the status of each switch.

A. False
B. True

Antwort: B

37. Frage
Huawei's NetEco network management system supports the southbound SNMP protocol.

A. False
B. True

Antwort: B

38. Frage
If the customer has high requirements for the availability of the management system and requires that the normal use of the system should not be affected by single-point hardware failures, the NetEco management system can provide which of the following high-availability solution of dual-machine mutual backup?

A. 2 servers + 2 disk arrays + 3 switches
B. 2 servers + 1 disk array + 1 switch
C. None of the above is correct
D. 1 server + 1 disk array + 2 switches

Antwort: A

39. Frage
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

Antwort: B

Begründung:
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 .

40. Frage
Which of the following statements is false about in-band and out-of-band deployment of iMaster NCE-Fabric?

A. In in-band deployment mode, the management network and service network are isolated and do not affect each other.
B. In in-band deployment mode, service network ports have redundant connections, eliminating single points of failure and providing high reliability.
C. In in-band deployment mode, the management network and service network share service network ports. The southbound IP address of iMaster NCE-Fabric communicates with the management IP addresses of devices through the service network.
D. In out-of-band deployment mode, iMaster NCE-Fabric connects to the management interfaces of devices through the out-of-band management switch.

Antwort: A

Begründung:
Huawei iMaster NCE-Fabric supports both in-band and out-of-band deployment modes, each with distinct characteristics.
In in-band deployment (A, B) :
The management traffic shares the service network , meaning no separate management network is required.
The controller communicates with device management IPs over the service (data) network .
Redundant links can be configured to ensure high reliability and avoid single points of failure.
Therefore, A and B are correct descriptions .
Option C is false because it incorrectly states that the management and service networks are isolated in in- band mode. In reality, they are NOT isolated -they share the same physical infrastructure, which is a defining feature of in-band deployment.
In out-of-band deployment (D) :
A separate management network is used.
iMaster NCE-Fabric connects to devices via dedicated management interfaces through a management switch , ensuring isolation from service traffic.
Huawei recommends choosing deployment mode based on network scale, security, and reliability requirements .
Therefore, the correct answer is C .

41. Frage
......

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