H19-301_V4.0 Sample Questions Answers

Huawei's CloudEngine series switches integrate the iReliable technology system, which includes:

Three-level fast switchover mechanisms:

Link-level protection (via M-LAG)

Device-level protection

Network-level protection using technologies like BFD, GR, and NSR

M-LAG (Multi-Chassis Link Aggregation Group) provides fast failover on link or device failure.

Combined with other reliability features, Huawei’s solution aims to achieve zero service interruption and 99.999% network availability.

WLAN (Wireless Local Area Network)specifically refers towireless networks based on the IEEE 802.11 standards, which arecommonly known as Wi-Fi. Whileinfrared, Bluetooth, and ZigBeeare also wireless technologies,they are not part of WLAN:

Wi-Fi (802.11)= WLAN

Bluetooth, ZigBee, Infrared= PAN or IoT technologies, not WLAN

Thus, grouping all these under WLAN isincorrect, making the correct answerFalse.

Huawei’s WAN solution for thefinancial industryis tailored to meet requirements such aslow latency, high reliability, security, and fast deployment. It is used in:

A. Integrated information bearer network: Connects multiple financial systems and services.

C. Interconnection and load balancing between backbone clouds: Supportsmulti-cloud hybrid deployments.

D. Agile cloud migration of bank branches: Enables secure, automated SD-WAN-based migration to cloud services.

B. Vehicle-ground communication networkisspecific to the transportation or railway industry, not financial services.

Huawei’sCloudFabric 3.0 + AI Fabricsolution usesEthernet with RDMA over Converged Ethernet (RoCE)andhigh-performance 400G switching, making it a strong alternative toInfiniBandfor:

Lower total cost of ownership

Open programmability

Scalability

Interoperability across AI and traditional workloads

Huawei promotes Ethernet as anext-gen unified fabricforAI model training and inference, gradually replacing proprietary InfiniBand systems.

Huawei’s NetEngine WAN solution offers:

Full interface rate support from 64 kbps (legacy TDM) up to 400 Gbps for ultra-broadband scenarios.

Converged access, including wired and wireless for any application environment.

SRv6 (Segment Routing over IPv6) for simplified configuration and intelligent path computation.

One-click service deployment via mobile phone and cloud-based orchestration through iMaster NCE.

However, 800 Gbps interfaces are not yet part of Huawei's mainstream WAN product line. Thus, option C is inaccurate.

TheHuawei CloudEngine S8700series supportscluster-based active-active architecture, offering:

50 ms-level failover

Hot patching and ISSU (In-Service Software Upgrade)

Service continuity during upgrade and fault scenarios

UnlikeVRRP, which is used for gateway redundancy, orM-LAGandstack, which are link or port-level mechanisms,the cluster solution provides full-device-level failover and operational continuity.

Huawei’sHiSec Endpointsystem provides comprehensive endpoint protection with the following customer benefits:

A. One-click recovery: Enables immediate recovery of files encrypted by ransomware, minimizing damage and achievingzero data loss.

B. High detection rate: Strong performance againstviruses, ransomware, and cryptojacking.

C. Kernel-level file anomaly detection: Monitors file changes at the OS kernel level and buildsbehavior baselinesfor anomaly detection.

D. Behavior-based unknown threat detection: Uses AI and machine learning forbehavioral anomaly detectionandunknown threat prevention.

Thus,all options are correct.

Huawei offersfour flexible Data Center Network (DCN) solutionstailored for diverse evolution scenarios involving multiple data centers and cloud environments:

A. Edge DC solution: Supports lightweight, edge data centers for branch or edge computing.

B. Multi-PoD solution: Designed to scale large DCs by creating multiple pods connected via a spine layer.

C. Multi-site solution: Enables interconnection between different physical data centers.

D. Multi-cloud and hybrid cloud solution: Provides seamless integration between private DCs and public cloud platforms.

These four are explicitly outlined in Huawei’s official data center solution materials.

Huawei’sSD-WAN solutionprovides the following capabilities:

B. Intelligent traffic steering: Dynamically selects the best WAN link based on application SLA (e.g., latency, jitter).

C. Flexible overlay networking: Uses MPLS, Internet, and 4G/5G links in a hybrid WAN architecture.

D. Centralized management and WAN visualization: ThroughiMaster NCE, enabling centralized control and real-time monitoring.

A. Radio calibration on the Wi-Fiis a WLAN function andnot part of SD-WAN capabilities.

The Huawei CloudEngine S6750-S is a high-performance all-optical switch in the fixed switch series, suitable for 10 Gbps campus networks.

It supports GE/10GE/25GE downlink ports and 25GE/100GE uplink ports (Option A — Correct).

It includes advanced features such as:

VXLAN and network slicing (Option B — Correct)

Real-time telemetry and intelligent O&M via iMaster NCE (Option C — Correct)

Native WAC capabilities for wireless and wired convergence (Option E — Correct)

However, MACsec (IEEE 802.1AE) is not supported on all ports by default — support is partial or dependent on model/sub-model. Hence, Option D is false.

A higher antenna gain indicates a narrower beamwidth and greater signal directivity—not necessarily wider coverage. While high-gain antennas can transmit stronger signals in a specific direction, they reduce coverage in other directions. In WLAN design, especially for omnidirectional coverage in campus scenarios, antenna selection is based on application requirements rather than simply preferring higher gain.

Huawei emphasizes that antenna gain must comply with local regulations and should match deployment scenarios (e.g., indoor omnidirectional vs outdoor long-range). Excessively high gain may result in coverage holes or regulatory non-compliance.

Huawei’scampus network digital map, as part of theiMaster NCE-Campus solution, supportsmulti-level fault detection— notonly three levels. It enables:

Real-time network monitoring and alarm correlation

AI-based root cause analysis

One-second fault demarcation

Minute-level fault recovery and closure

Up to 90% improvement in fault locating efficiency

The phrase "only three levels" isincorrect— the system supportsmulti-layer analysis across users, applications, devices, and networks.

In Huawei firewall deployments (such as USG6000 series), using a single firewall at the network egress creates a single point of failure (SPOF).

To improve reliability, Huawei supports firewall stacking technology, called FW-Stack.

In a firewall stack, multiple firewalls form a single logical device.

Advantages of firewall stacking include:

Unified management: Only the stack system is configured and managed, not individual members.

Seamless failover: If a member firewall fails, services continue on other members.

Increased throughput: Aggregate performance of multiple firewalls.

This setup greatly enhances service continuity and improves network reliability without needing complex configuration across devices.

Huawei's Free Mobility Solution decouples user identity from IP address and physical location.

Regardless of where a user accesses the campus network (wired or wireless), the same network access policies (such as ACLs, QoS, VLAN assignments) are dynamically applied based on the user identity.

Administrators only need to define access policies between user groups and server resources based on logical relationships (e.g., HR can access payroll servers) without worrying about IP addressing or user location.

This mechanism uses technologies like VXLAN-based campus network combined with policy association via iMaster NCE-Campus.

The CloudEngine S8700 is a modular switch designed for high-performance, high-visibility campus networks.

Huawei equips this series with an “Experience Assurance Card,” which enables:

Real-time traffic identification

Application-level statistics collection

In-path traffic analysis for performance bottlenecks

This hardware is central to the centralized experience assurance solution offered in the High-Quality 10 Gbps Campus Network.

QoS (Quality of Service)is thetechnology used to prioritize and guarantee bandwidthand latency performance forVIP users and mission-critical applications. It enables:

Traffic classification and prioritization

Bandwidth guarantees and rate limiting

Low latency paths for real-time services

A. IPsec VPN– Provides secure tunneling, not traffic prioritization

B. SSH and C. SSL– Offerencryptionfor secure access, but not performance assurance

Huawei SD-WAN providesflexible Internet access optionsbased on enterprise architecture and policies:

A. Centralized Internet access: Internet traffic from branches is sent to HQ or data center before being forwarded to the Internet

C. Local Internet access: Internet traffic is directly forwarded at the branch (also called DIA — Direct Internet Access)

D. Hybrid Internet access: Combines centralized and local Internet access based on application type or policy

B. Remote Internet accessisnot a standard Huawei-defined modein this context.

Huawei’s Data Center Network Solution, part of the CloudFabric architecture, highlights four core capabilities:

A. Ultra-stable reliability — Ensures 99.999% availability, delivering sustainable computing and fault-tolerant network infrastructure across various failure scenarios.

B. One network for diverse computing — Seamlessly supports diverse workloads (e.g., HPC, AI, traditional computing) with non-blocking fabric and intelligent forwarding, ensuring zero interruptions.

C. One map for intelligent O&M — Uses Huawei’s iMaster NCE to provide full-network visibility, proactive alarms, and AI-driven assurance, addressing O&M concerns.

D. One platform for simplified deployment — Enables centralized automation with zero-touch provisioning, minimizing configuration errors.

In adata center network, thephysical connection componentstypically include:

Access switches(connect to servers)

Core/Aggregation switches(form the backbone of the network)

Optical fibers(used for high-speed physical links between switches)

Whileservers are connected to the network, they arenot considered part of the network's physical infrastructure (connection components)— they are endpoints or resources hostedonthe network, notcomponents ofthe physical connection infrastructure.

M-LAG (Multi-Chassis Link Aggregation Group) is a technology that implements link aggregation across two or more independent physical devices (i.e., switches).

It enables downstream devices (such as servers or switches) to connect to two upstream devices as if they were one logical device.

This allows for:

Active-active forwarding (traffic load balancing)

Device-level redundancy (if one upstream device fails, the other continues forwarding traffic)

Eth-Trunk refers to link aggregation but generally within a single device.

Stack creates a logical switch from multiple physical switches, but it does not address inter-device aggregation in the same distributed manner as M-LAG.

LLDP (Link Layer Discovery Protocol) is a Layer 2 protocol for device discovery and has no role in link aggregation.

Huawei's Wi-Fi 7 AirEngine APs integrate proprietary Wi-Fi Shield technology, which:

Uses spatial beamforming and artificial interference generation to emit “decoy” signals.

These signals act as deliberate noise, preventing nearby attackers from eavesdropping.

The intended recipient (STA) can still demodulate and receive data correctly using signal-processing algorithms.

This adds an additional physical layer of wireless security to protect against passive attacks.

TheCloudEngine S16700 seriesis Huawei’sflagship core switchdesigned fornext-generation campus networks. It features:

Support for 400GE uplinks

AI-enhanced traffic scheduling and O&M

Advanced capabilities likeSRv6,VXLAN, andtelemetry

It targets ultra-high-bandwidth campus core deployments and is positioned specifically for the400 Gbps era.

In aWAC (Wireless Access Controller) + Fit AParchitecture:

A, B, and Care accurate descriptions.

D is false: The AC (WAC) and Fit APsdo not use SNMP for communication. Instead, they communicate usingCAPWAP (Control And Provisioning of Wireless Access Points)protocol, which supports control, management, and data encapsulation between ACs and APs.

SNMPis used for network management and monitoring but isnot the protocol for AC-to-AP communicationin WLAN scenarios.

Huawei’sHiSecEngine firewallshave achievedrecognition in the Gartner Magic Quadrant for Network Firewalls, butnot for 12 consecutive years. Huawei’s presence in this quadrant ismore recent, with consistent recognition over the past few years, particularly following the rebranding to HiSecEngine and performance improvements. The "12 consecutive years" claim is inaccurate per Gartner reports.

Huawei'sNAC (Network Access Control)solution on campus networks supportsmultiple authentication modes, including:

A. 802.1X authentication: Uses credentials with a supplicant (e.g., on a PC or phone)

C. Portal authentication: Redirects users to a login webpage

D. MAC address authentication: Authenticates based on the device's MAC address, often used for IoT or non-interactive devices

B. Wireless authenticationis not an authentication mode itself; rather, wireless clients can use802.1X or portalmethods over WLAN.

Huawei’sintelligent cloud-network solutioninvolves the convergence of multiple product lines to buildNet5.5G-ready infrastructure:

A. CloudEngine: Core for data center and campus switching

B. NetEngine: High-performance routing platform for WAN and core network scenarios

C. HiSecEngine: Security product line for integrated and intelligent security services

D. AirEngine: Wireless access product line, including Wi-Fi 6/7

All four products are pillars in Huawei’s strategy to evolve towardubiquitous, intelligent, high-speed IP connectivityunderNet5.5G.

iMaster NCE-Campusis Huawei’s intelligent network management and control system for enterprise networks. It supports:

Unified managementof bothLAN and WAN devices

Real-time traffic monitoringwith visibility down to application and user levels

AI-basedfault diagnosis and O&M automation

These capabilities reduce manual effort and improve efficiency in daily network operations and troubleshooting.

Huawei'sautomatic network migration solutionwhen upgrading from a legacyN7-5-2 networkto anSDN-based CloudFabric networkinvolves the followingkey steps, as outlined in the CloudFabric documentation:

A. Gateway migration: Move north-south traffic gateways from legacy to new fabric for optimized traffic flow.

B. Live network analysis: Import configurations and traffic patterns from the existing network into iMaster NCE.

C. Layer 2 interconnection: Create Layer 2 links between old and new networks for seamless traffic bridging.

D. Service migration: Gradually migrate VMs and workloads using scheduling tools without downtime.

All steps are necessary to ensure smooth migration without service disruption.

Huawei CloudFabric introduces a Network Digital Map (NDM) with AI-powered topology restoration capabilities.

This technology can:

Reconstruct full physical and logical topologies across multi-vendor and multi-cloud data centers.

Provide real-time visibility and mapping for O&M.

Simplify cross-DC operation and troubleshooting using AI and telemetry data.

Option A and B (“Lossless”) appear to be repeated distractors and irrelevant in this context.

Telemetry supports the technology but is not the direct implementation of topology visualization.