Which of the following controllers supports unified LAN-WAN management?
Answer(s): C
Overview of Huawei Controllers:Huawei offers a range of controllers under the iMaster NCE series, each designed for specific use cases.Analysis of Each Controller:iMaster NCE-Fabric:Focuses on data center network automation and management. It does not support unified LAN-WAN management.iMaster NCE-WAN:Specializes in WAN management, particularly for SD-WAN solutions. It does not manage LANs.iMaster NCE-Campus:Designed for campus networks, this controller supportsunified LAN-WAN management, enabling centralized control of both wired and wireless networks.iMaster NCE-IP:Focuses on traditional IP/MPLS network management and does not support unified LAN-WAN management.Conclusion:The correct answer is Option C, as iMaster NCE-Campus supports unified LAN-WAN management.
HCSA-Presales-IP Network V3.0 Training Material, Chapter 9: Network Management Solutions.Huawei iMaster NCE Product Documentation.
Which of the following deployment modes are supported by AR routers? (Select All that Apply)
Answer(s): A,B,C,D
Deployment Modes for AR Routers:Huawei AR routers support multiple deployment methods to simplify configuration and provisioning in various scenarios.Explanation of Each Mode:USB-based deployment:Configuration files can be loaded onto the router using a USB drive, enabling zero-touch provisioning.DHCP option-based deployment:The router obtains its configuration from a DHCP server, which provides necessary parameters such as IP addresses and configuration file URLs.DCN deployment:Devices are automatically discovered and configured through the Data Communication Network (DCN), reducing manual intervention.Email-based deployment:Configuration files or scripts can be sent to the router via email, allowing remote provisioning.Conclusion:All four options are valid deployment modes for AR routers.
HCSA-Presales-IP Network V3.0 Training Material, Chapter 4: Router Deployment.Huawei AR Router Product Documentation.
What is the maximum packet loss rate allowed by A-FEC while ensuring smooth video playback in Huawei's SD-WAN solution?
Answer(s): A
Understanding A-FEC (Adaptive Forward Error Correction):A-FEC is a technology used in Huawei's SD-WAN solution to ensure smooth video playback even in the presence of packet loss. It adds redundant data to compensate for lost packets.Maximum Packet Loss Rate:A-FEC can tolerate up to40% packet loss (0.4)while maintaining smooth video playback. This ensures high-quality video streaming even in challenging network conditions.Conclusion:The correct answer is Option A, as the maximum packet loss rate allowed by A-FEC is 0.4.
HCSA-Presales-IP Network V3.0 Training Material, Chapter 9: SD-WAN Solutions.Huawei SD-WAN Solution Brochure.
Which of the following statements are TRUE about fixed ports and cards of AR routers? (Select All that Apply)
Answer(s): B,C,D
Overview of Fixed Ports and Cards in AR Routers:AR routers have fixed ports and modular cards that support various networking functions, including Layer 2 and Layer 3 operations.Analysis of Each Statement:Option A:This is incorrect. Not all Layer 2 cards support LAN/WAN switching; it depends on the specific model and card type.Option B:This is correct. Layer 2 cards with VLANIF interfaces can perform simple Layer 3 forwarding but lack advanced features like NAT, MPLS, IPsec, and HQoS.Option C:This is correct. Some AR router models allow WAN ports to be reconfigured as LAN ports, providing flexibility in deployment.Option D:This is correct. Theundo portswitchcommand can be used to switch LAN ports to WAN ports, enabling Layer 3 functionality.Conclusion:The correct statements are Options B, C, and D.
HCSA-Presales-IP Network V3.0 Training Material, Chapter 4: Router Architecture.Huawei AR Router Product Documentation.
In Huawei's SD-WAN solution, overlay topologies can be planned based on services. Different service topologies are independent of each other.
Understanding Overlay Topologies in SD-WAN:In Huawei's SD-WAN solution, overlay networks are created on top of the physical underlay network. These overlays can be customized based on specific services or applications.Service Independence:Different service topologies (e.g., voice, video, data) areindependent of each other, allowing granular control over traffic paths, QoS policies, and security settings.Conclusion:The statement is TRUE because overlay topologies in Huawei's SD-WAN solution are service-specific and operate independently.
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