Huawei H19-301_V3.0 HCSA-Presales-IP Network Certification V3.0 Exam Practice Test

Understanding iStack Technology:

iStack is Huawei's stacking technology that allows multiple switches to be managed as a single logical device. This simplifies network configuration, management, and troubleshooting.

Dedicated Stack Ports or Stack Cards:

To enable iStack functionality, Huawei switches require either dedicated stack ports or stack cards. These ports/cards facilitate high-speed interconnection between stacked switches.

Benefits of iStack:

Simplifies network topology by reducing the number of managed devices.

Enhances scalability and reliability through unified management.

Conclusion:The statement is TRUE because dedicated stack ports or stack cards are required to support iStack technology.

Huawei'sCloudEngine series switchesare designed to meet the evolving demands of modern data center networks (DCNs). For customers requiring25G Top-of-Rack (TOR) switches, theCE6881is the ideal choice.Key details about the models mentioned:

CE6820:A lower-end switch that does not support 25G ports.

CE6870:Primarily supports 10G and 40G ports, not 25G.

CE6881:Specifically designed for 25G access and 100G uplinks, making it suitable for AI-era DCNs.

CE6863E:Focuses on high-density 100G/400G switching, not 25G TOR requirements.

TheCE6881aligns perfectly with the need for 25G TOR switches, enabling higher bandwidth and scalability for AI and cloud workloads.

The evolution of data centers has progressed through several distinct phases, driven by advancements in technology and changing business requirements. Below is an analysis of each phase:

Centralized : Early data centers were centralized, with all resources (servers, storage, and networking) located in a single physical location. This model was simple but lacked scalability and flexibility.

Multi-site and multi-cloud : Modern data centers often span multiple physical locations and integrate with public, private, and hybrid clouds. This phase emphasizes distributed architectures and cloud-native applications.

Distributed : As workloads grew, data centers evolved into distributed models, where resources are spread across multiple sites to improve redundancy, scalability, and performance.

Virtualization : Virtualization technologies enabled the abstraction of physical resources, allowing multiple virtual machines (VMs) or containers to run on a single physical server. This phase significantly improved resource utilization and flexibility.

All four options represent key phases in the evolution of data centers.

TCP (Transmission Control Protocol) is a connection-oriented protocol with several key characteristics:

Connectionless : This is not a characteristic of TCP. TCP establishes a connection before transmitting data using a three-way handshake.

Flow control and window mechanism : TCP uses flow control and sliding window mechanisms to manage data transmission rates and prevent buffer overflow.

Connection-oriented : TCP establishes, maintains, and terminates connections between endpoints.

Reliable transmission : TCP ensures reliable delivery of data through acknowledgments, retransmissions, and error detection.

UDP, not TCP, is a connectionless protocol. Therefore, the correct answer is A .

TheCloudEngine 16800 seriesis Huawei's flagship data center switch lineup, designed for high-performance, scalable, and reliable networking in modern data centers. The mainstream models in this series include:

CloudEngine 16812:A high-density switch with 12 line cards, supporting up to 576 x 400GE ports.

CloudEngine 16816:The largest model in the series, with 16 line cards, supporting up to 768 x 400GE ports.

CloudEngine 16804:A compact model with 4 line cards, suitable for smaller deployments or edge data centers.

CloudEngine 16808:A mid-sized model with 8 line cards, balancing performance and scalability for medium to large data centers.

These models cater to a wide range of use cases, from small-scale deployments to hyperscale cloud environments.

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.

Comprehensive and Detailed in Depth Explanation:Huawei IoT APs support multiple methods for integrating IoT modules or functionalities:

Option A: The USB interface allows external IoT modules to be connected to the AP, enabling flexible expansion.

Option B: Some Huawei IoT APs come with built-in IoT chips, providing native support for IoT protocols like RFID and Bluetooth.

Option C: The PCIe interface is another method for integrating IoT modules, offering high-speed connectivity for advanced IoT applications.

Option D: The PoE out port is used to power external devices but does not directly integrate IoT functionality.

These integration methods ensure that Huawei IoT APs can adapt to various IoT use cases, such as asset tracking, environmental monitoring, and smart building management.

Multi-Campus network interconnection involves connecting multiple geographically dispersed campuses into a unified network. To meet the demands of such networks, the following service requirements must be addressed:

Manage LAN-side and WAN-side services in a unified manner : Unified management simplifies operations by providing a single interface to monitor and control both local area networks (LANs) and wide area networks (WANs).

Improve the network deployment efficiency and shorten the service provisioning period : Automation tools and software-defined networking (SDN) technologies help streamline deployment processes, reducing the time required to roll out new services.

Reduce the costs for WAN interconnection between branches : Cost optimization is achieved through efficient use of bandwidth, leveraging technologies like SD-WAN and traffic engineering to minimize expenses.

Improve the application identification capability and ensure the experience of key services : Advanced analytics and AI-driven insights enable precise application identification, prioritizing critical services to ensure optimal user experience.

Adopt a visualized method to simplify management and O&M : Visualization tools provide intuitive dashboards and real-time monitoring, making it easier to manage complex networks and troubleshoot issues.

All five options are valid service requirements for Multi-Campus network interconnection, making them all correct.

TheS5731-HandS5731-Sare part of Huawei's CloudEngine S series switches, but they differ in their software capabilities. Specifically:

S5731-H:Supports advanced features likeVXLAN (Virtual Extensible LAN), which enables network virtualization and scalable overlay networks.

S5731-S:Lacks VXLAN support, making it suitable for simpler deployments without virtualization requirements.

This distinction is critical when selecting switches for environments that require advanced virtualization and cloud integration.

Huawei's iMaster NCE-FabricInsight is an intelligent O&M platform for data center networks that leverages knowledge graph modeling to enhance network management and troubleshooting. Below is an explanation of each option:

"1-3-5" troubleshooting : This refers to a structured approach for fault detection, isolation, and resolution within 1 minute of fault detection, 3 minutes of fault location, and 5 minutes of fault recovery. FabricInsight uses AI-driven analytics to achieve this level of efficiency.

Data plane verification (DPV) : DPV ensures the correctness of the data forwarding path by verifying configurations and detecting anomalies in real time. This helps prevent issues like misconfigurations or routing errors.

Network snapshot comparison : This feature allows administrators to compare network states at different points in time, helping identify changes that may have caused performance degradation or faults.

Network health evaluation : FabricInsight continuously monitors the network and evaluates its health status, providing insights into potential risks and optimization opportunities.

All four options are valid O&M services provided by iMaster NCE-FabricInsight.

Network Classification Based on Geographical Coverage:

Networks are categorized based on their geographical scope into three primary types:

Local Area Network (LAN):Covers a small geographic area, such as a single building or campus.

Metropolitan Area Network (MAN):Covers a larger area than a LAN, typically spanning a city or metropolitan region. It serves as an intermediate between LANs and WANs.

Wide Area Network (WAN):Covers a large geographic area, often spanning multiple cities, countries, or continents.

Role of MANs:MANs act as a bridge between LANs and WANs, providing connectivity for organizations that need to connect multiple LANs within a city or region.

Conclusion:The statement is correct because networks are indeed classified into LANs, MANs, and WANs based on their geographical coverage.

As enterprises transition to cloud-centric architectures, campus networks face several challenges:

Slow fault locating:Traditional networks lack intelligent tools for rapid fault detection and resolution, leading to prolonged downtime.

Wi-Fi discontinuous networking:Poorly designed wireless networks result in coverage gaps and inconsistent user experiences.

Cloud outpacing network:Cloud services evolve faster than traditional networks can adapt, creating bottlenecks.

Difficult network scaling:Legacy networks struggle to scale dynamically to meet growing demands.

Cross-domain fragile infrastructure:Fragmented management across domains (e.g., wired, wireless, WAN) leads to inefficiencies and vulnerabilities.

Addressing these challenges requires modern solutions like SDN (Software-Defined Networking), AI-driven O&M, and unified management platforms.

Huawei's Expertise in Datacom Technologies:

Huawei has been a leader in data communication technologies for over two decades, investing heavily in research and development.

Research Centers Worldwide:

As of the latest documentation, Huawei operates 14 research centers globally. These centers focus on innovation in areas such as 5G, AI, cloud computing, and networking technologies.

Conclusion:The statement is TRUE, as Huawei has indeed established 14 research centers worldwide and has over 26 years of expertise in datacom technologies.

Redundancy Technologies for Leaf Switches:

To enhance redundancy in data center networks, technologies like stacking and M-LAG (Multi-Chassis Link Aggregation Group) are commonly used.

Huawei CloudEngine 6881 Capabilities:

TheCloudEngine 6881series switchesdo support M-LAG, enabling active-active redundancy between two switches. This ensures high availability and load balancing.

Conclusion:The statement is FALSE because the CloudEngine 6881 supports M-LAG.

In theMOX (Ministries of Government)scenario, where high-performance and scalable WAN connectivity is required, Huawei recommends theNetEngine 8000 Xseries as the backbone router.Key reasons for this recommendation:

NetEngine 8000 X:Designed for ultra-high-capacity WAN backbones, supporting terabit-level throughput and advanced features like SRv6 and EVPN.

NetEngine 8000 M6/MIC/F1A:These models are more suited for aggregation or access roles rather than backbone routing.

TheNetEngine 8000 Xis ideal for government networks due to its ability to handle massive traffic volumes, ensure low latency, and support future-proof technologies.

Enterprise networks are vulnerable to a variety of cyberattacks, including:

Remote code execution:Attackers exploit vulnerabilities to execute malicious code on target systems, potentially gaining full control.

Cross-site attacks:Includes Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF), where attackers manipulate web applications to steal data or perform unauthorized actions.

Command line injection:Attackers inject malicious commands into input fields, compromising system integrity.

Brute-force attacks:Attackers attempt to guess passwords or encryption keys through repeated trial-and-error attempts.

These attack methods highlight the importance of implementing robust security measures, such asfirewalls, intrusion detection/prevention systems, and regular patching.

Huawei'sCloudWANproducts and solutions are designed to address the unique WAN requirements of various industries. These include:

Energy:Supports secure and reliable connectivity for utilities, oil and gas, and renewable energy sectors.

Finance:Ensures high-performance and secure networks for banks, insurance companies, and financial institutions.

Government/Education:Provides dedicated networks for government agencies and educational institutions, enabling e-governance and digital learning.

ISP (Internet Service Providers):Helps ISPs deliver scalable and efficient broadband services to consumers and enterprises.

Transportation:Enables connectivity for smart transportation systems, including railways, airports, and highways.

CloudWAN's flexibility and scalability make it suitable for a wide range of industries, addressing their specific WAN challenges and opportunities.

Airflow Design in Data Center Switches:

Airflow design is critical for efficient heat dissipation in data center switches. Front-to-back airflow ensures that cool air enters from the front and hot air exits from the back, aligning with typical data center cooling systems.

Huawei Cloud Engine S12700E:

The S12700E series switches are designed with front-to-back airflow to improve heat dissipation efficiency. This design minimizes overheating risks and ensures stable operation in high-density environments.

Conclusion:The statement is TRUE because the S12700E series uses a front-to-back airflow design.

Huawei'sAirEngineseries includes a range of Wi-Fi 6 APs with varying capabilities:

AirEngine 5762-12:Supports a maximum device rate of2.975 Gbps, not 1.775 Gbps, making option A incorrect.

AirEngine 6761-21:Supports a maximum device rate of3.55 Gbps, making option B correct.

AirEngine 5762-12SW:Does support the leader AP feature, making option C incorrect.

AirEngine 5761-11:Does not have 2.5GE ports, making option D incorrect.

TheAirEngine 6761-21stands out for its high performance, making it suitable for demanding environments like large enterprises and campuses.

Huawei's CloudFabric Easy Solution is designed to simplify data center network deployment and operations. The "EASY" framework highlights the following four key aspects:

EasY-Maintenance : The solution emphasizes simplified operations and maintenance (O&M) through automation and intelligent tools. For example, it leverages AI-powered analytics to predict and resolve issues proactively.

Simplification : CloudFabric Easy focuses on reducing complexity in network design, deployment, and management. It achieves this by integrating advanced technologies like intent-driven networking (IDN) and zero-touch provisioning (ZTP).

Automation : Automation is a cornerstone of the solution, enabling tasks like configuration, provisioning, and troubleshooting to be performed automatically. This minimizes human intervention and reduces the risk of errors.

While "expandability" and "easy sales" are important considerations in network design and marketing, they are not part of the official "EASY" highlights of the CloudFabric Easy Solution.

Comprehensive and Detailed in Depth Explanation:An enterprise WAN (Wide Area Network) is designed to connect geographically dispersed locations within an organization. The primary interconnections include:

Option A: Enterprise headquarters and branches are commonly interconnected via WAN to enable centralized management and resource sharing.

Option B: Carrier networks and enterprise networks are not part of the enterprise WAN itself but represent external connectivity provided by service providers.

Option C: Enterprise campus networks and data centers are interconnected to ensure seamless access to centralized resources and applications.

Option D: Enterprise office networks and production networks are interconnected to facilitate collaboration and operational efficiency.

These interconnections form the backbone of an enterprise WAN, enabling cross-region communication and resource sharing.

Geographic Redundancy in SD-WAN Controllers:

Huawei's SD-WAN solution provides geographic redundancy to ensure high availability and disaster recovery.

Analysis of Each Statement:

Option A:This is correct. The active and standby clusters share the same domain name or IP address, enabling seamless failover during an active/standby switchover.

Option B:This is correct. Geographic redundancy requires the active and standby clusters to have the same number of nodes to ensure balanced performance.

Option C:This is correct. Huawei's SD-WAN solution supports only one active cluster and one standby cluster for geographic redundancy.

Option D:This is incorrect. While the active and standby clusters synchronize data in real time, only the active cluster provides services. The standby cluster remains idle until a failover occurs.

Conclusion:The FALSE statement is Option D.

Challenges in Campus Networks During the All-Cloud Era:

As enterprises transition to cloud-based architectures, campus networks face several challenges due to increased complexity, scalability demands, and integration with cloud services.

Explanation of Each Challenge:

Difficult network scaling:As businesses grow, scaling traditional campus networks to meet increasing demands becomes challenging without proper automation and flexibility.

Cloud outpacing network:The rapid adoption of cloud services often surpasses the ability of traditional networks to adapt, leading to performance bottlenecks.

Wi-Fi discontinuous networking:Ensuring seamless Wi-Fi coverage and connectivity across large campuses is a significant challenge, especially in environments with high user density.

Slow fault locating:Traditional networks lack advanced tools for real-time monitoring and troubleshooting, resulting in delays in identifying and resolving issues.

Cross-domain fragile infrastructure:Managing multiple domains (e.g., wired, wireless, and cloud) introduces complexity and increases the risk of failures if not properly integrated.

Conclusion:All the listed challenges are valid and commonly faced by enterprises moving toward the all-cloud era.

Huawei's datacom portfolio includes the "Four Engines," which represent key product lines for different networking domains:

NetEngine:High-performance routers for enterprise WAN and data center interconnects.

CloudEngine:Data center switches designed for high-density, low-latency environments.

AirEngine:Wireless access points (APs) for Wi-Fi 6 and beyond.

HiSecEngine:Security products, including firewalls and intrusion prevention systems.

The optionAREnginedoes not belong to the "Four Engines" lineup. It appears to be unrelated to Huawei's official datacom product categories.

Adefault routeis a special type of route used in routing tables to forward packets when no specific route matches the destination IP address. It acts as a "catch-all" route for traffic that does not match any other routes in the routing table.The default route is typically represented as0.0.0.0/0, where:

0.0.0.0represents any destination IP address.

/0indicates a subnet mask of 0 bits, meaning it applies to all possible IP addresses.

Default routes are commonly used in scenarios where a router needs to forward traffic to a gatewayor next-hop device for further processing. This simplifies routing table management, especially in networks with limited or centralized connectivity.

Huawei's Wi-Fi 6 solutions incorporate several advanced technologies to deliver superior performance, reliability, and user experience. Below is an explanation of each option:

SmartRadio for Air Interface Optimization : This technology optimizes the air interface by dynamically adjusting parameters such as channel allocation, power levels, and interference mitigation. It ensures efficient use of spectrum and improves overall network performance.

AI roaming steering : AI-driven roaming algorithms ensure seamless handover between APs, minimizing latency and packet loss during device movement. This is particularly important for applications like VoIP and video conferencing.

Intelligent multimedia scheduling : This feature prioritizes traffic for multimedia applications, ensuring smooth streaming and low latency for video, voice, and other real-time services.

Industry-leading smart antennas : Huawei's smart antenna technology enhances signal coverage and reduces interference, providing better connectivity in challenging environments like open spaces or areas with obstacles.

All four options represent key advantages of Huawei's Wi-Fi 6 solutions.

The Huawei CloudEngine S12700E series is a high-end modular switch designed for enterprise campus networks. Below are the explanations for each highlighted feature:

Ultra-large buffer and HQoS scheduling, delivering optimal user experience of key applications : The S12700E series features a large buffer and advanced Hierarchical Quality of Service (HQoS) scheduling, ensuring smooth performance for critical applications even under heavy traffic conditions.

Powerful slot forwarding capability, building Wi-Fi 6 high-speed channels : The switch supports high-speed forwarding capabilities, making it ideal for supporting Wi-Fi 6 networks and handling the increased bandwidth demands of modern applications.

Control and switching separation, on-demand configuration, and flexible capacity expansion : The S12700E adopts a control-switching separation architecture, allowing users to configure resources on demand and expand capacity flexibly as needed.

Redundancy design for key components, ensuring 99.999% reliability : The switch includes redundant power supplies, fans, and control boards, ensuring high availability and reliability for mission-critical environments.

All four options are valid highlight features of the CloudEngine S12700E series.

Autonomous Driving Network (ADN) Levels:

The ADN standard defines six levels (L0 to L5), ranging from manual operations (L0) to fully autonomous operations (L5).

Highest Level (L5):

AtL5, the network achieves full autonomy, capable of self-configuration, self-optimization, and self-healing without human intervention.

Conclusion:The statement is TRUE because the highest level of the ADN standard is indeed L5: full autonomous network.

SNMP (Simple Network Management Protocol) is a widely used protocol for managing and monitoring network devices. In an SNMP-based network:

Each managed device runs anagent processthat collects and stores management information.

Themanagement process(typically running on a Network Management System, or NMS) communicates with the agent using SNMP messages.

SNMP defines several types of messages, such as GET, SET, and TRAP, which allow the NMS to query or modify device configurations and receive notifications from the agent. Other options like NETCONF, HTTP, and YANG are unrelated to SNMP communication.

SD-WAN (Software-Defined Wide Area Network)is a transformative technology that enhances traditional WAN architectures. Its key characteristics include:

Automatic and intelligent O&M:Centralized management and real-time visibility simplify operations and improve troubleshooting.

Zero Touch Provisioning (ZTP):Enables rapid deployment of branch offices without manual configuration, reducing time and effort.

Dynamic traffic steering:Adjusts traffic paths based on application priorities, ensuring optimal performance for critical applications.

Value-added services:Integrates WAN optimization, security, and other services to enhance network capabilities and streamline service delivery.

These features make SD-WAN a preferred solution for modern enterprises seeking agility, scalability, and cost efficiency.

TheNetEngine 8000 M14is a high-performance aggregation router designed for enterprise and carrier networks. Key features include:

Compact design:With a depth of220 mm, it fits well in space-constrained environmentslike edge locations.

Control/forwarding separation:Ensures efficient processing by separating control plane and forwarding plane functions.

Hardware redundancy:Provides high reliability through redundant components like power supplies and fans.

These features make the NetEngine 8000 M14 a robust choice for aggregation roles in WAN architectures.

MPLS (Multiprotocol Label Switching) uses labels to forward packets efficiently along predefined paths called Label Switched Paths (LSPs). These labels are assigned dynamically using protocols likeLabel Distribution Protocol (LDP)or RSVP-TE (Resource Reservation Protocol - Traffic Engineering).While static routing and manual configuration can define paths, they do not involve dynamic label assignment.Similarly, direct routes are not related to MPLS label distribution. LDP is specifically designed to exchange label information between routers, enabling MPLS forwarding.

A WLAN (Wireless Local Area Network) is specifically defined as a network that uses radio frequency (RF) technologies , primarily Wi-Fi, to provide wireless connectivity. While technologies like infrared, Bluetooth, and ZigBee are wireless communication methods, they are not part of the WLAN definition.

Wi-Fi : Operates in the 2.4 GHz and 5 GHz frequency bands and is the primary technology used in WLANs.

Infrared : Uses light waves for short-range communication and is not part of WLAN standards.

Bluetooth : Designed for short-range personal area networks (PANs), not LANs.

ZigBee : Used for low-power, low-data-rate IoT applications, not WLANs.

Thus, the statement is FALSE , as WLANs are exclusively based on RF technologies like Wi-Fi.

Overview of the S8700 Switch:

The S8700 series is part of Huawei's high-end campus core switches, designed for large-scale enterprise networks. It offers advanced hardware features to meet demanding requirements.

Analysis of Each Option:

Option A:The S8700 supports ultra-high PoE++ output capability, enabling long-distance power delivery for devices such as Wi-Fi access points and IP cameras.

Option B:The main control boards in the S8700 operate in 1:1 backup mode, ensuring seamless failover without packet loss or performance degradation.

Option C:This statement is incorrect. Service subcards arenot integratedon the main control board panel; they are separate components that enhance flexibility.

Option D:The S8700 supports ultra-high-density cards with GE optical, GE electrical, and 10GE optical ports, providing versatile connectivity options.

Conclusion:The correct hardware characteristics are Options A, B, and D.

MACsec (Media Access Control Security)is a Layer 2 encryption protocol that ensures secure and reliable communication over Ethernet links. Among Huawei'sNetEngine 8000 series routers, the following models support MACsec:

NetEngine 8000 M6:High-performance router with MACsec support for secure WAN connections.

NetEngine 8000 MIC:Modular interface card-based router with MACsec capabilities.

NetEngine 8000 F1A:Fixed configuration router supporting MACsec for secure access links.

TheNetEngine 8000 MIAdoes not support MACsec, making it unsuitable for scenarios requiring Layer 2 encryption.

To exchange routes between Autonomous Systems (ASs), BGP (Border Gateway Protocol) is used. BGP is specifically designed for inter-AS routing and supports scalable and policy-based route distribution across large networks.

Static routing : Requires manual configuration and is not scalable for large networks.

IS-IS and OSPF : These are Interior Gateway Protocols (IGPs) used for intra-AS routing, not inter-AS routing.

Thus, the correct answer is B , as BGP is the standard protocol for inter-AS route exchange.

Comprehensive and Detailed in Depth Explanation:WPA3 (Wi-Fi Protected Access 3) introduces enhanced security features compared to WPA2. One of the key improvements is the use of a 192-bit encryption key in the WPA3 Enterprise mode, which provides stronger cryptographic protection. This is part of the "WPA3-Enterprise 192-bit" mode, designed for high-security environments such as government and financial institutions.

The increased key length enhances resistance to brute-force attacks and ensures better protection of sensitive data. Additionally, WPA3 includes features like Simultaneous Authentication of Equals (SAE), which replaces the Pre-Shared Key (PSK) mechanism, further improving security.

TheUSG6000F series firewallsare compact, high-performance devices designed for enterprise and carrier networks. Key specifications include:

Form factor:1U height, making them suitable for space-constrained environments.

Redundancy:Equipped with redundant fans and power modules to ensure high availability.

Throughput:Supports a maximum throughput of160 Gbps, enabling efficient handling of large traffic volumes.

These features make the USG6000F series ideal for scenarios requiring both performance and reliability.

Huawei'sAdaptive Security Engine (ASE)is a key feature in its security products, such as firewalls. ASE dynamically allocates CPU resources to different service modules (e.g., firewall, intrusion prevention, antivirus) based on real-time traffic demands. This ensures optimal resource utilization and performance.Additionally, ASE supportscomponent-based function delivery, allowing administrators to enable or disable specific security features as needed. This flexibility enhances scalability and reduces unnecessary resource consumption.

The statement accurately describes the functionality of ASE, making itTRUE.

Huawei's CloudWAN 3.0 solution is a next-generation WAN architecture designed to address the challenges of digital transformation and cloud adoption. The key highlights of this solution include:

One-network wide connection : CloudWAN 3.0 enables seamless connectivity across multiple sites, integrating various access technologies (e.g., MPLS, SD-WAN, and PON) into a unified network. This ensures efficient resource utilization and simplifies network management.

One-fiber multipurpose transport : This feature allows a single fiber to carry multiple services, such as Internet, voice, video, and private line services. It significantly reduces infrastructure costs and improves operational efficiency.

One-hop cloud access : CloudWAN 3.0 provides direct, low-latency access to cloud services through optimized routing. This enhances user experience and supports real-time applications like video conferencing and online collaboration.

While "one-click maintenance" and "one-click fast scheduling" are valuable features in network management, they are not explicitly highlighted as part of the CloudWAN 3.0 solution in official Huawei documentation.

TheAirEngine 5762-12SWis a versatile Wi-Fi 6 AP designed for small and medium-sized enterprises. Key features include:

Flexible covers:The AP's cover can be customized to match the deployment environment.

Leader AP functionality:It can manage up to eight Fit APs, simplifying network architecture.

Maximum wireless rate:Supports up to2.975 Gbps, ensuring high-speed connectivity.

However, the statement that it hastwo GE ports (one for uplink and one for downlink)isFALSE. The AirEngine 5762-12SW has onlyone GE portfor uplink, which limits its wired connectivity options.

Huawei's datacom portfolio includes the "Four Engines" product families:

NetEngine : Routers for wide-area networks.

CloudEngine : Switches for data center networks.

AirEngine : Wireless access points for Wi-Fi networks.

HiSecEngine : Security products for comprehensive protection.

AREngine is not part of the "Four Engines." It is unrelated to Huawei's datacom portfolio and focuses on augmented reality (AR) technologies.

Thus, the correct answer is C .

Hyper-converged data center network solutions emphasize automation across the entire lifecycle, from deployment to operations. Below is an analysis of each option:

100% unleashing of computing power : While automation can optimize resource allocation, achieving 100% utilization of computing power is not directly tied to full-lifecycle automation.

TTM reduced by 90% : Full-lifecycle automation streamlines processes such as provisioning, configuration, and scaling, significantly reducing Time-to-Market (TTM). This is a direct benefit of automation.

Proactive prediction of 90% of faults : Proactive fault prediction is typically achieved through AI-driven analytics, not solely through automation.

Storage performance improved by 90% : Improvements in storage performance are more closely related to advancements in hardware (e.g., NVMe over Fabrics) and software optimizations, rather than automation.

Thus, the correct answer is B , as full-lifecycle automation primarily reduces TTM.

Huawei'sSD-WAN multi-fed and selective receiving technologyis not limited to5G links. This technology can be applied to various types of WAN links, including MPLS, Internet, LTE, and 5G, to optimize traffic steering and improve reliability.The multi-fed feature allows multiple links to be used simultaneously, while selective receiving ensures that the best path is chosen for each application based on real-time conditions. This flexibility makes the technology applicable across diverse network environments, not just 5G.

Huawei Datacom Product Line Overview:

Huawei's datacom product line provides comprehensive solutions across multiple domains to meet diverse customer needs.

Domains Covered by Huawei Datacom:

Campus Network:Solutions for enterprise campuses, including switches, Wi-Fi, and IoT integration.

Metro Router:Routers designed for metropolitan area networks (MANs).

Data Center Network:Solutions for high-performance data center networking, including switches and SDN controllers.

Cyber Security:Products and solutions for network security, including firewalls and intrusion detection systems.

Network Management:Tools for managing and monitoring networks, such as iMaster NCE.

Backbone Router:High-capacity routers for core and backbone networks.

Conclusion:The statement is TRUE, as Huawei's datacom product line indeed covers these six domains.

Overview of IoT Integration in Huawei APs:

Huawei IoT APs support various methods to integrate IoT modules or functions, enabling unified management of Wi-Fi and IoT devices.

Explanation of Each Method:

Built-in IoT chip:Some Huawei APs come with built-in IoT chips, providing native support for IoT protocols like Zigbee, Bluetooth, or RFID.

USB interface:External IoT modules can be connected via the USB interface, allowing flexible integration of additional IoT functionalities.

PCIe interface:High-speed IoT modules can be integrated using the PCIe interface, offering enhanced performance and scalability.

PoE out port:While PoE out ports provide power to external devices, they do not directly integrate IoT modules or functions.

Conclusion:The correct methods are Options A, B, and C.

The Huawei datacom product line is indeed designed to cover six key domains:

Campus Network : Solutions for enterprise campus networks, including switches, Wi-Fi, and IoT integration.

Metro Router : Products tailored for metropolitan area networks (MANs), enabling high-speed connectivity in urban areas.

Data Center Network : Advanced solutions for modern data centers, including CloudFabric and AI Fabric.

Cyber Security : Comprehensive security solutions, including firewalls, intrusion detection/prevention systems (IDS/IPS), and anti-DDoS products.

Network Management : Tools and platforms for managing and monitoring networks, such as iMaster NCE.

Backbone Router : High-performance routers for core networks, supporting large-scale data transmission across regions.

This categorization reflects Huawei's commitment to providing end-to-end networking solutions across various domains. The statement is therefore TRUE .

In adata center network, three primary types of resources are connected:

Storage:Includes storage arrays and systems that provide data persistence and retrieval capabilities.

High-performance computing (HPC):Supports compute-intensive workloads like scientific simulations and AI training.

General-purpose computing:Handles everyday workloads such as web hosting, application servers, and virtual machines.

These resources are interconnected through the data center network, enabling seamless communication and resource sharing. Each type serves a distinct purpose, catering to different application requirements.