Which of the following statements is FALSE about geographic redundancy of controllers in Huawei's SD-WAN solution?
Answer(s): D
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.
HCSA-Presales-IP Network V3.0 Training Material, Chapter 9: SD-WAN Solutions.Huawei SD-WAN Controller Documentation.
Which of the following statements is FALSE about RR in Huawei's SD-WAN solution?
Answer(s): A
Understanding the Role of RR (Route Reflector):In Huawei's SD-WAN solution, the Route Reflector (RR) plays a critical role in distributing routing information and ensuring efficient communication between CPEs (Customer Premises Equipment).Analysis of Each Statement:Option A:This is FALSE. The RR in Huawei's SD-WAN solution doesnot directly implement communicationbetween SD-WAN networks and legacy MPLS networks. Instead, it focuses on distributing VPN routes and tunnel information within the SD-WAN overlay network. Communication with legacy MPLS networks typically requires additional integration mechanisms.Option B:This is correct. The RR can be deployed on a physical AR router or as a virtualized instance (AR1000V vCPE).Option C:This is correct. The RR can be deployed independently or co-located witha CPE at a site, depending on the network design.Option D:This is correct. The RR distributes VPN routes and tunnel information between CPEs based on predefined VPN topology policies.Conclusion:The FALSE statement is Option A.
HCSA-Presales-IP Network V3.0 Training Material, Chapter 9: SD-WAN Solutions.Huawei SD-WAN Solution Documentation.
Which of the following AR models supports SRv6?
Understanding SRv6 Support in AR Routers:SRv6 (Segment Routing over IPv6) is a next-generation networking technology that simplifies traffic engineering and improves scalability in WANs.Analysis of Each Model:AR6300:This high-end AR router supports SRv6, making it suitable for advanced SD-WAN and WAN deployments.AR6140E:This model does not support SRv6.AR8140:This model also does not support SRv6.None of the above:This is incorrect because the AR6300 supports SRv6.Conclusion:The correct answer is Option A, as the AR6300 supports SRv6.
HCSA-Presales-IP Network V3.0 Training Material, Chapter 4: Router Product Portfolio.Huawei AR Router Product Documentation.
DCs can be classified based on the number of standard racks. Which type is a DC with 3000-10000 racks classified to?
Classification of Data Centers (DCs):Data centers are classified into categories such as small, midsize, large, and ultra-large based on the number of standard racks they house.Rack Classification Criteria:Small DC:Less than 500 racks.Midsize DC:500-1000 racks.Large DC:1000-3000 racks.Ultra-large DC:3000-10000 racks.Conclusion:A data center with 3000-10000 racks falls under theultra-large DCcategory.
HCSA-Presales-IP Network V3.0 Training Material, Chapter 7: Data Center Solutions.Huawei Data Center Network Documentation.
Among the core values of the hyper-converged data center network solution, which of the following improvements is the result of full-lifecycle automation?
Hyper-Converged Data Center Network Solution:Huawei's hyper-converged data center network solution emphasizes automation, intelligence, and efficiency across the entire lifecycle of network operations.Impact of Full-Lifecycle Automation:TTM (Time to Market):Full-lifecycle automation significantly reduces the time required to deploy and manage services, resulting in a90% reduction in TTM.Proactive fault prediction:While automation enhances fault detection, proactive prediction of 90% of faults is primarily driven by AI and analytics, not just automation.Storage performance:Improvements in storage performance are typically achieved through hardware optimization, not automation.Unleashing computing power:This is related to resource utilization and orchestration, not directly to full-lifecycle automation.Conclusion:The improvement attributed to full-lifecycle automation is Option A, as TTM is reduced by 90%.
HCSA-Presales-IP Network V3.0 Training Material, Chapter 7: Data Center Solutions.Huawei Hyper-Converged Data Center Brochure.
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