Echte H19-401_V2.0 Fragen und Antworten der H19-401_V2.0 Zertifizierungsprüfung

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Huawei H19-401_V2.0 Exam Syllabus Topics:

SectionObjectives
Topic 1: LAN Switching Technologies- Ethernet link aggregation and redundancy
- VLAN design and segmentation
- STP/RSTP/MSTP loop prevention mechanisms
Topic 2: WLAN Design and Deployment- Wireless LAN architecture (Fit/Fat AP)
- WLAN planning and coverage design
- Roaming and mobility design considerations
Topic 3: Routing and IP Network Design- OSPF basics and design considerations
- Inter-VLAN routing design
- Static and dynamic routing in campus networks
Topic 4: Network Security and Access Control- ACL-based traffic control
- Campus network security baseline design
- User authentication and authorization mechanisms
Topic 5: QoS and Network Optimization- QoS design for voice and video services
- Traffic classification and marking
- Congestion management and avoidance
Topic 6: Campus Network Architecture and Design Principles- Design principles: scalability, reliability, and performance
- Hierarchical network design (core, aggregation, access)
- Enterprise campus network architecture models

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Huawei HCSP-Presales-Campus Network Planning and Design V2.0 H19-401_V2.0 Prüfungsfragen mit Lösungen (Q154-Q159):

154. Frage
Which of the following authentication modes are used for user access on a campus network?

Antwort: B,C,D

Begründung:
In Huawei's Xinghe Intelligent Campus solution, user access control is handled through three primary methods: 802.1X (B) for high-security enterprise environments, Portal (A) for flexible guest and web-based access, and MAC address authentication (C) for IoT devices like printers and IP cameras that lack a user interface. OSPF authentication (D) is a routing security feature used to verify the identity of neighboring routers, not an end-user access authentication method.


155. Frage
A campus network core layer must provide high reliability and avoid single points of failure. The design includes dual core switches with redundant links. Which additional mechanism should be implemented to ensure fast convergence and loop prevention?

Antwort: C

Begründung:
Combining link aggregation with routing protocols ensures both redundancy and fast convergence. Routing protocols provide faster recovery compared to STP alone. STP may introduce delays, while static routing lacks adaptability. This combination ensures efficient traffic forwarding and resilience in the core layer.


156. Frage
On a fabric network of a large or midsize campus network, there are 20 edge devices. Which of the following OSPF route orchestration modes should be used in this case?

Antwort: C

Begründung:
For a fabric network with a relatively small number of edge devices (20), single-OSPF-area orchestration is recommended. This simplifies route management and reduces configuration complexity while providing sufficient scalability and stability for midsize campus networks.


157. Frage
An enterprise wants fast convergence and efficient routing across its campus network. The design must handle dynamic topology changes. Which routing protocol is most suitable?

Antwort: B

Begründung:
OSPF provides fast convergence, scalability, and efficient route calculation, making it ideal for campus networks. RIP converges slowly and is unsuitable for large environments. Static routing cannot adapt to topology changes dynamically.


158. Frage
MIMO technology enables multiple antennas to send and receive spatial streams (multiple signals) simultaneously and to differentiate the signals sent to or received from different spatial orientations. By leveraging technologies such as SM and SD, MIMO boosts the system capacity, coverage scope, and SNR without occupying extra bandwidth.

Antwort: B

Begründung:
MIMO (Multiple-Input Multiple-Output) is a core pillar of modern WLAN planning. It utilizes two main techniques:
* Spatial Multiplexing (SM): Increases system capacity by transmitting different data streams over different antennas simultaneously.
* Spatial Diversity (SD): Improves coverage scope and SNR (Signal-to-Noise Ratio) by transmitting the same data stream over multiple paths to ensure reliability through redundancy (e.g., using MRC or STBC).
The statement is True because these benefits are achieved using the same frequency channel (no extra bandwidth) by exploiting the spatial dimension of the radio environment.


159. Frage
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