H19-301_V3.0 Exam Dumps - Huawei HCPA-IP Network Questions and Answers

In Huawei switches, Layer 2 Ethernet interfaces are used to forward data at the data link layer (Layer 2) of the OSI model. These interfaces are essential for VLAN segmentation and communication within a local area network (LAN). The three main types of Layer 2 Ethernet interfaces are:

Hybrid:A hybrid interface can carry traffic from multiple VLANs and is highly flexible. It allows both tagged and untagged traffic, making it suitable for complex network designs.

Trunk:A trunk interface is used to carry traffic from multiple VLANs between switches or other network devices. It typically tags VLAN traffic using IEEE 802.1Q encapsulation.

Access:An access interface is associated with a single VLAN and is used to connect end devices like PCs or IP phones. It carries untagged traffic by default.

The options "Agg" (likely referring to aggregation) and "Core" are not Layer 2 interface types but rather refer to higher-level concepts like link aggregation or core network architecture.

References:

HCSA-Presales-IP Network Study Guide, Section: "Switching Basics and VLAN Configuration."

Huawei Switch Product Documentation, VLAN Interface Types.

To defend againstapplication-layer DDoS attacks, Huawei'sAntiDDoSproduct is the most suitable choice.Key details about the options:

HiSec Insight:A security analytics platform for threat detection and response, but not specifically designed for DDoS mitigation.

USG6000E:A next-generation firewall with basic DDoS protection, but limited in handling large-scale or sophisticated attacks.

AntiDDoS:A dedicated solution for detecting and mitigating DDoS attacks, including application-layer attacks like HTTP floods.

FireHunter:A sandboxing solution for advanced threat detection, not DDoS defense.

TheAntiDDoSproduct excels in identifying and mitigating application-layer attacks by analyzing traffic patterns and applying granular mitigation policies.

References:

HCSA-Presales-IP Network Study Guide, Section: "Anti-DDoS Solutions."

Huawei AntiDDoS Product Documentation, Application-Layer Protection.

TheHuawei AR8140is ahigh-performance SD-WAN routerdesigned forlarge enterprises. It supports:

Maximum SD-WAN forwarding performance of 20 Gbit/s.

Multiple WAN interfaces, including5G, LTE, MPLS, and Internet links.

Advanced traffic steeringfor cloud and SaaS applications.

????Reference:HCSA-Presales-IP Network Official Study Guide, Huawei AR8140 Specifications

HuaweiiMaster NCE(Network Cloud Engine) is an intelligent network automation platform that integratesmanagement, analysis, and controlcapabilities, but it doesnot handle routing functions directly.

(A) Management – True: iMaster NCE provides centralizednetwork lifecycle management, including configuration, monitoring, and automation.

(B) Routing – False: Routing is handled by network devices like routers and switches, not by iMaster NCE itself.

(C) Analysis – True: The platform incorporatesbig data analyticsto provide network insights, fault prediction, and performance optimization.

(D) Control – True: iMaster NCE serves as anSDN controller, managing network policies, path selection, and automation.

Overview of AirEngine Products:

Huawei's AirEngine series includes Wi-Fi 6 access points (APs) designed for high-density and high-performance wireless networks.

Analysis of Each Statement:

Option A:The AirEngine 5762-12 supports a maximum device rate of2.976 Gbps, not 1.775 Gbps.

Option B:The AirEngine 5762-12SWdoes supportthe leader AP feature, which simplifies network management.

Option C:The AirEngine 5761-11 has2.5GE ports, making it suitable for high-bandwidth applications.

Option D:The AirEngine 6761-21 supports a device rate of5.375 Gbps, not 3.55 Gbps.

Conclusion:The correct statement is Option C.

References:

HCSA-Presales-IP Network V3.0 Training Material, Chapter 8: WLAN Solutions.

Huawei AirEngine Product Documentation.

Option A:In traditional IP routing, each router in the network must maintain a routing table that contains network-wide routes or at least the routes relevant to its operation. This ensures that packets can be forwarded correctly to their destination.

Option B:Traditional IP routing operates on the principle of the "longest match rule." When a router receives a packet, it examines the destination IP address and matches it against the entries in its routing table. The longest prefix match determines the next hop for the packet.

Option C:Traditional IP networks are inherently connectionless, meaning there is no dedicated path established between the source and destination before data transmission. This lack of connection-oriented mechanisms makes it challenging to guarantee Quality of Service (QoS) across the entire network.

Option D:In traditional IP networks, packets are forwarded using a hop-by-hop mechanism. Each router along the path decapsulates the packet, inspects its headers, and forwards it to the next hop based on its routing table.

References:

HCSA-Presales-IP Network V3.0 Training Material, Chapter 2: IP Routing Fundamentals.

Huawei Networking Technology and Device (HNTD) Documentation.

Data Center Networks (DCNs) are evolving towards All-Ethernet architecturesdue to various IT changes.

Key IT changes driving All-Ethernet DCNs include:

A (HDD to SSD transition)→ Increases storage speed, reducing network latency.

B (Centralized to Distributed IT architecture)→ Improves efficiency and scalability.

D (Enterprise Service migration to Cloud)→ Requires a more flexible, high-bandwidth network.

C (PCIe replacement) is incorrect because PCIe is not replaced but rather evolves to newer versions (e.g., PCIe Gen5/Gen6) to support high-speed connections inside servers.

????Reference:HCSA-Presales-IP Network Official Documentation – Data Center Evolution and All-Ethernet Trends

Huawei'sAI roaming technologyenhances wireless network performance by optimizing roamingbehavior for client devices (STAs). Key features include:

Optimal roaming experience:Ensures seamless roaming for different types of STAs, improving wireless speeds by up to30%.

Flexible steering policies:Supports dynamic and differentiated steering based on STA profiles, making option BFALSE.

802.11V support:Requires STAs to support the 802.11V standard for efficient roaming.

The claim that roaming steering policies are inflexible is incorrect, as AI roaming leverages intelligent algorithms to adapt policies dynamically based on network conditions and device characteristics.

References:

HCSA-Presales-IP Network Study Guide, Section: "AI Roaming Technology and Benefits."

Huawei WLAN Solution Documentation, AI Roaming Features.

Huawei's IoT-enabled Wi-Fi 6 APs integrate wireless networking with IoT capabilities, enabling converged solutions for various industries. Let us evaluate each statement:

Currently, IoT expansion is only available for RFID and Bluetooth protocols : This is false . While RFID and Bluetooth are common IoT protocols, Huawei's IoT-enabled APs support additional protocols like Zigbee and LoRa, depending on the model.

IoT expansion can be implemented through PCIe cards or USB ports : This is true . Huawei APs support IoT expansion modules that can be connected via PCIe cards or USB ports, enabling flexible integration of IoT functionalities.

Radios used by IoT and Wi-Fi do not transmit on the same channel, so there is no need to consider interference between IoT and Wi-Fi signals : This is false . Depending on the frequency bands used, IoT and Wi-Fi signals may interfere with each other. Proper planning and configuration are required to minimize interference.

The outdoor Wi-Fi 6 AP AirEngine 5761R-11 supports IoT expansion : This is true . The AirEngine 5761R-11 is an outdoor AP that supports IoT expansion, making it suitable for scenarios like smart cities and industrial IoT.

Thus, the correct answers are B and D .

References:

Huawei IoT Wi-Fi 6 AP Product Documentation, HCSA-Presales-IP Network Documentation.

In Huawei'shyper-converged data center network solution, thenetwork analyzerplays a critical role in monitoring and analyzing traffic flows. It provides real-time insights into network performance, identifies anomalies, and helps locate faults quickly.Other components serve different purposes:

VAS controller:Manages value-added services like firewalls and load balancers.

Network controller:Handles overall network orchestration and policy enforcement.

Computing manager:Focuses on compute resource allocation and optimization.

The network analyzer is specifically designed for traffic analysis and fault detection, making it thecorrect answer.

References:

HCSA-Presales-IP Network Study Guide, Section: "Hyper-Converged Data Center Components."

Huawei Hyper-Converged Solution Documentation, Network Analyzer Role.