Both theAirEngine 5761-21andAirEngine 6761-21Tare part of Huawei's Wi-Fi 6 access point lineup and are equipped with2.5GE uplink ports. These ports provide higher bandwidth capabilities compared to standard Gigabit Ethernet (GE) ports, making them suitable for environments with high data throughputrequirements.The inclusion of 2.5GE uplink ports ensures that these APs can handle modern applications like HD video streaming, IoT devices, and cloud-based services without bottlenecks.

Fault Management in Autonomous Driving Networks:

Huawei's autonomous driving network leverages AI and machine learning to achieve rapid fault detection, analysis, and resolution.

Fault Management Metrics:

Locate faults within 1 minute:AI-driven tools quickly identify the root cause of issues.

Analyze faults within 3 minutes:Advanced analytics provide detailed insights into the nature and impact of faults.

Rectify faults within 5 minutes:Automated remediation workflows resolve issues promptly, minimizing downtime.

Conclusion:The statement is TRUE because Huawei's autonomous driving network meets these fault management metrics.

TheS6730-H24X6Cmodel in the CloudEngine S6730 series supportsMACsec (Media Access Control Security), providing Layer 2 encryption for secure data transmission. MACsec ensures confidentiality, integrity, and replay protection for Ethernet traffic, making it ideal for sensitive environments like financial institutions and government networks.Other models in the series, such as the S6730-S24X6Q, do not support MACsec, limiting their use in scenarios requiring advanced security features.

MACsec (Media Access Control Security) is a Layer 2 encryption protocol that ensures secure communication between devices in a network. It provides data confidentiality, integrity, and replay protection at the Ethernet layer.

The following models in the Huawei CloudEngine S6730 series support MACsec:

S6730-H48X6C : This switch supports MACsec on its high-speed ports, ensuring secure communication for critical applications.

S6730-H24X6C : Similar to the H48X6C, this model also supports MACsec, making it suitable for environments requiring robust security.

S6730-H24X4Y4C : This model also includes MACsec support, providing advanced security features for enterprise networks.

However, the S6730-S24X6Q does not support MACsec. It is designed for scenarios where Layer 2 encryption is not a primary requirement.

Thus, the correct answers are A , B , and 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.

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.

Environmental Tolerance of Huawei NetEngine 8000 Series:

The Huawei NetEngine 8000 series is designed for robust performance in challenging environments, including extreme temperatures.

Temperature Range and Outdoor Installation:

These routers are certified to operate in temperatures ranging from-40°C to +65°C, making them suitable for deployment in outdoor cabinets or harsh conditions.

Conclusion:The statement is TRUE because the NetEngine 8000 series supports the specified temperature range and can be installed in outdoor cabinets.

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.

Understanding SRv6 Capabilities:

SRv6 (Segment Routing over IPv6) is a next-generation networking technology that enables flexible traffic engineering and seamless traversal across different types of private lines.

Huawei NetEngine AR821 E Support for SRv6:

TheNetEngine AR821 Erouter supports SRv6, making it suitable for SD-WAN andWAN deployments where traffic optimization and path control are critical.

Conclusion:The statement is TRUE because SRv6 can traverse all types of private lines, and the NetEngine AR821 E supports SRv6.

Huawei'sAR routerssupport multiple deployment modes to simplify network setup and management:

USB-based deployment:Configuration files can be loaded via USB drives, enabling rapid deployment without manual intervention.

DCN deployment:Devices are automatically discovered and configured through Huawei's Device Control Network (DCN), streamlining large-scale deployments.

DHCP option-based deployment:Routers obtain configuration parameters from a DHCP server, reducing manual setup efforts.

Email-based deployment:Configuration files can be sent to devices via email, allowing remote provisioning.

These modes cater to different scenarios, ensuring flexibility and ease of deployment.

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.

Overview of S5731-L Remote Units (RUs):

The S5731-L series includes remote units (RUs) designed for distributed campus networks. These RUs connect to a central switch via uplink ports.

Uplink Port Flexibility:

The RUs supportoptical, electrical, and hybrid optical-electrical ports, allowing flexible selection based on the distance between the RU and the central switch.

Optical ports are used for long-distance connections, while electrical ports are suitable for shorter distances. Hybrid ports combine both options for maximum versatility.

Conclusion:The statement is TRUE because the S5731-L RUs support multiple uplink port types for flexible deployment.

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.

Overview of Huawei CloudFabric 3.0:

Huawei CloudFabric 3.0 is a next-generation data center network solution that emphasizes automation, intelligence, and unified connectivity for diverse workloads.

Analysis of Each Differentiator:

Full-lifecycle automation:CloudFabric 3.0 provides end-to-end automation for provisioning, configuration, and management, reducing operational complexity.

Network-wide intelligent O&M:AI-driven tools enable proactive fault detection, analysis, and resolution, improving network reliability.

All-wireless access:This is incorrect. CloudFabric 3.0 focuses on wired Ethernet networks rather than all-wireless access.

All-Ethernet storage and HPC network:CloudFabric 3.0 supports unified Ethernet-based connectivity for storage, high-performance computing (HPC), and other workloads, simplifying infrastructure.

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

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.

Virtual Systems and SSL VPN Licenses:

Virtual systems allow a single firewall to act as multiple logical firewalls, each with its own policies and resources.

Concurrent SSL VPN users require licenses for secure remote access.

Default Licensing for USG6000F Series:

By default, the USG6000F series providesfree licenses for 10 virtual systems. However,SSL VPN licenses are not included by defaultand must be purchased separately.

Conclusion:The statement is FALSE because only 10 virtual systems are provided for free, while SSL VPN licenses are not included by default.

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'sCloudFabric 3.0is a data center network solution that leverages AI and machine learning to enable intelligent operations and maintenance (O&M). One of its key features is the ability to predict potential faults before they impact the network. According to Huawei's official documentation, CloudFabric 3.0 can proactively predict90% of potential faults, significantly reducing downtime and improving network reliability.This predictive capability is achieved through advanced analytics, real-time monitoring, and AI-driven insights, which help identify anomalies and performance degradation trends early.

The Huawei CloudEngine S8700-10 is a high-performance aggregation switch designed for enterprise campus networks. It supports up to 4 power modules , which provide redundancy and ensure stable operation even in the event of a power module failure. Redundant power supplies are critical for maintaining network uptime and reliability, especially in mission-critical environments.

The other options (2, 6, and 8) do not match the specifications of the S8700-10. While some models in the S8700 series may support fewer or additional power modules, the S8700-10 specifically accommodates up to 4 power modules.

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 .

Huawei'sCloudWAN solutiontargets several key government WAN scenarios and market opportunities:

Dedicated networks for cities:Provides connectivity for smart city initiatives, including public safety, transportation, and utilities.

National broadband network:Supports nationwide broadband infrastructure for government services and citizens.

Dedicated networks for provinces:Enables regional connectivity for provincial governments and agencies.

Dedicated networks for ministries:Serves specific government departments like MOI, MOE, MOF, and MOD, ensuring secure and reliable communication.

Asset management networkis not a typical WAN scenario but rather a subset of IoT or enterprise applications, making it irrelevant in this context.

OSPF (Open Shortest Path First) is a link-state routing protocol. Instead of directly exchanging routes, OSPF routers share link-state advertisements (LSAs) that describe the state of their links (e.g., connected networks and costs). Each router uses this information to build a complete topology map of the network and calculate the shortest path to each destination using the SPF (Shortest Path First) algorithm.

The statement accurately describes how OSPF operates, making it TRUE .

Huawei'sSD-WAN solutionsupports multiple networking models to meet diverse enterprise requirements:

Hub-spoke networking:Centralizes traffic through a hub site, ideal for security and policy enforcement.

Hierarchical networking:Organizes sites into tiers (e.g., regional hubs and branches), enabling scalable architectures.

Partial-mesh networking:Connects critical sites directly while routing other traffic through hubs, balancing performance and cost.

Full-mesh networking:Provides direct connections between all sites, ensuring optimal performance for latency-sensitive applications.

Intelligent HQoSis not a networking model but rather a feature that enhances Quality of Service (QoS) across any of these models.

Overview of Huawei CloudCampus 3.0:

Huawei CloudCampus 3.0 is designed to provide a fully-wireless, intelligent, and cloud-based campus network solution. It focuses on improving efficiency, reducing costs, and enabling digital transformation.

Analyzing Each Option:

Option A:"One global network: 40% lower private line costs" is correct. Huawei CloudCampus 3.0 reduces private line costs by leveraging cloud-based technologies and SD-WAN solutions.

Option B:"L3 autonomous driving: 90% fewer complaints" is correct. The solution uses AI-driven automation to minimize network issues and improve user satisfaction.

Option C:"Low-carbon intelligence: 60% smaller energy consumption of the entire network" isnot correct. While Huawei emphasizes energy efficiency, the claim of a 60% reduction in energy consumption is exaggerated and not supported by official documentation.

Option D:"Fully-wireless experience: 40% higher productivity" is correct. The fully-wireless architecture enhances user experience and productivity.

Conclusion:The incorrect benefit description is Option C.

Dynamic Routing Protocols Overview:

Dynamic routing protocols enable routers to exchange routing information dynamically, allowing them to adapt to changes in the network topology automatically.

Explanation of Each Protocol:

OSPF (Open Shortest Path First):A link-state routing protocol that uses the Dijkstra algorithm to calculate the shortest path to destinations. It is widely used in enterprise networks.

IS-IS (Intermediate System to Intermediate System):Another link-state routing protocol, similar to OSPF, but primarily used in service provider networks.

RIP (Routing Information Protocol):A distance-vector routing protocol that uses hop count as its metric. It is simple but less scalable compared to OSPF and IS-IS.

BGP (Border Gateway Protocol):A path-vector routing protocol used for inter-domain routing (e.g., between autonomous systems). It is the backbone of the Internet.

Conclusion:All four options (OSPF, IS-IS, RIP, and BGP) are dynamic routing protocols.

The Huawei CloudEngine S8700 series switches are designed for enterprise campus networks and aggregation layers, offering advanced hardware features that ensure high performance, scalability, and reliability. Below is an explanation of each option:

Cards with ultra-high-density GE optical/GE electrical/10GE optical ports : The S8700 supports high-density interfaces, including Gigabit Ethernet (GE) and 10 Gigabit Ethernet (10GE) ports, making it suitable for large-scale campus networks.

Ultra-high PoE++ output capability, supporting ultra-long-distance high-performance PoE transmission : The switch provides Power over Ethernet (PoE++) support, delivering up to 90W per port. This capability is ideal for powering devices like IP cameras, wireless access points, and IoT devices over long distances.

Service subcards are integrated on the main control board panel, separating the forwarding plane from the control plane and enriching port combinations : This design enhances modularity and flexibility, allowing users to customize port configurations based on their specific requirements.

The main control boards work in 1:1 backup mode. When a main control board is removed and then installed, no packet loss occurs and the performance does not deteriorate : The S8700 ensures high availability through redundant main control boards. This feature guarantees uninterrupted operation even during maintenance or failures.

All four options accurately describe the hardware characteristics of the S8700, making them all correct.

Huawei has been a leader in the telecommunications and networking industry for over two decades. The company invests heavily in research and development (R&D), with over11,000 R&D staffdedicated to advancing data communication technologies. This extensive R&D effort has enabled Huawei to innovate across various domains, including routing, switching, wireless, and security.The claim aligns with Huawei's official statements about its R&D capabilities and commitment to technological advancement.

VXLAN (Virtual Extensible LAN) is a network virtualization technology that addresses the limitations of traditional VLANs and MAC address tables by enabling large-scale Layer 2 networks over Layer 3 infrastructure. It is particularly useful in data centers with a growing number of virtual machines (VMs).

Among the options provided:

CE6881 : This switch supports VXLAN and is designed for high-density data center environments. It provides excellent scalability and performance for VXLAN-based networks, making it the most suitable choice.

CE9860 : While this switch is a high-end model, it is primarily used for core or aggregation layers and may not be the best fit for VXLAN at the access layer.

CE6820 : This switch does not support VXLAN, making it unsuitable for the scenario.

CE5882 : This is an older model and lacks the advanced features required for modern VXLAN deployments.

Thus, the correct answer is A , as the CE6881 is the most appropriate model for VXLAN scenarios.

Huawei'sS6730-H24X6CandS6730-H48X6Cswitches are part of the CloudEngine S series and are designed for high-performance campus networks. These models supportsix fixed 100GE uplink ports,eliminating the need for additional subcards to expand uplink capacity. This design offers several advantages:

Higher reliability:Fixed ports reduce points of failure compared to modular subcards.

Simplified deployment:No need for additional hardware or configuration.

Better performance:Optimized for high-speed connectivity and scalability.

Non-Huawei switches that rely on subcards may face limitations in terms of reliability and flexibility, making Huawei's fixed-port design a competitive advantage.

The Huawei CloudEngine 6881 is a high-performance data center switch that supports both stacking and M-LAG (Multichassis Link Aggregation Group) technologies. M-LAG is a key feature for increasing redundancy and reliability in leaf-spine architectures by enabling two switches to act as a single logical device for link aggregation.

The claim that the CE6881 does not support M-LAG is FALSE , as this model fully supports M-LAG to enhance network availability and fault tolerance.

Understanding Antenna Gain:

Antenna gain refers to the ability of an antenna to focus or direct radio frequency (RF) energy in a specific direction. Higher gain antennas provide stronger signals and extended coverage in the direction they are focused.

Impact on AP Selection:

In scenarios where long-range coverage or better signal strength is required, an AP with a higher antenna gain (within regulatory limits) is preferred.

However, it is important to ensure that the antenna gain complies with the regulatory requirements of the country where it is deployed.

Conclusion:The statement is TRUE because higher antenna gain improves signal strength and coverage, making such APs desirable for specific use cases.

"One-click fast scheduling, cloud-network coordinated scheduling" refers to the ability to provision services quickly and efficiently using advanced technologies like SRv6 (Segment Routing over IPv6) . This feature enables agile service rollout by automating the configuration and deployment of network services across cloud and WAN environments. With SRv6, services can be provisioned within minutes, significantly reducing the time required for manual configuration and ensuring rapid adaptation to changing business needs.

The other options describe different features of Huawei's solutions but do not directly align with the concept of "one-click fast scheduling." For example:

Option B refers to network diagnostics and troubleshooting capabilities.

Option C highlights resource optimization through SDN and intelligent algorithms.

Option D focuses on network slicing, which is a separate feature for enhancing network flexibility.

Thus, the correct answer is A , as it directly addresses the concept of fast and coordinated scheduling in cloud-network environments.

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.

Huawei's CloudWAN solutions target various railway services and market opportunities. Below is an analysis of each option:

Integrated information network : This refers to the unified network infrastructure that integrates multiple railway systems, such as passenger information, ticketing, and security. It is a key focus area for Huawei routers.

Vehicle-ground communication network : This involves communication between trains and ground stations, enabling real-time monitoring, diagnostics, and control. It is a critical railway service supported by Huawei routers.

Interconnection load balancing between backbone clouds : This is more relevant to cloud data center interconnections rather than railway-specific services. It is not a primary focus for railway services.

Railway signal bearer network : This refers to the network that carries signaling and control information for safe train operations. It is a core railway service supported by Huawei routers.

Thus, the correct answer is C , as interconnection load balancing between backbone clouds is not directly related to railway services.

Understanding Hardware-Based BFD:

Bidirectional Forwarding Detection (BFD) is a protocol used to detect faults in network paths quickly. Hardware-based BFD offloads processing to dedicated chips, enabling faster detection intervals.

Huawei CE6863E-48S6CQ Capabilities:

TheCE6863E-48S6CQswitch supports hardware-based BFD with aminimum packet sending interval of 3.3 ms, ensuring rapid fault detection and recovery.

Conclusion:The statement is TRUE because the CE6863E-48S6CQ supports hardware-based BFD with the specified interval.

MACsec (Media Access Control Security)is a Layer 2 encryption protocol designed to secure Ethernet communications. It provides confidentiality, integrity, and replay protection for data transmitted over wired networks. The IEEE standard corresponding to MACsec is802.1AE, which defines the protocol's mechanisms for encrypting and authenticating Ethernet frames.Other options refer to unrelated standards:

802.1ab:Defines Link Layer Discovery Protocol (LLDP) for network discovery.

802.1p:Specifies priority tagging for Quality of Service (QoS).

802.1at:Defines Power over Ethernet Plus (PoE+).

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.

Understanding Telnet:Telnet is a protocol used for remote management of networkdevices. Unlike console port management, which requires a physical connection, Telnet operates over the network.

Address Requirement:For Telnet communication to occur, the client must have an IP address. This is because Telnet relies on the TCP/IP protocol suite, and communication is established using IP addresses.

Why Not Other Options?

VLAN:A VLAN (Virtual Local Area Network) is a logical segmentation of a network but does not directly represent an address for communication.

AS:An Autonomous System (AS) is a collection of IP networks under a single administrative domain, not an address type.

MAC:A MAC address is a hardware identifier used at Layer 2 of the OSI model. While important for local network communication, it is not sufficient for Telnet, which operates at Layer 3.

Conclusion:The correct answer is IP, as it is the fundamental addressing scheme required for Telnet communication.

WhileForward Error Correction (FEC)is a valuable feature in Huawei's SD-WAN solution for mitigating packet loss, it is not recommended to enable FEC forall traffic. FEC introduces additional overhead by transmitting redundant data, which can consume bandwidth and degrade performance for non-critical traffic.Instead, FEC should be selectively enabled for sensitive applications (e.g., real-time voice and video) where packet loss has a significant impact. This approach balances performance and resource utilization effectively.

While Huawei'sUSG series firewallsinclude basicanti-DDoS capabilities, they are not designed to completely replace standaloneanti-DDoS products. Firewalls primarily focus on access control, threat prevention, and policy enforcement, whereas dedicated anti-DDoS solutions offer advanced features like large-scale traffic scrubbing, anomaly detection, and mitigation for massive DDoSattacks.For environments facing sophisticated or volumetric DDoS threats, standalone anti-DDoS appliances or cloud-based services are recommended to complement firewall capabilities.

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.

Huawei firewalls, particularly the USG series, have consistently demonstrated strong performance in terms of innovation, functionality, and market presence. As a result, they have been included in the Gartner Magic Quadrant for Network Firewalls every year since 2013, achieving recognition for nine consecutive years.

This consistent inclusion reflects Huawei's leadership in the firewall market and its ability to meet evolving customer requirements.

Thus, the statement is TRUE .