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HP HPE7-A12 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Lossless and AI-Optimized Networking15%- Advanced transport and optimization
  • 1. AI-driven network optimization
    • 2. Congestion management and QoS
      • 3. Lossless Ethernet and priority flow control
        Topic 2: Data Center Network Security and Policy20%- Security architecture and policy enforcement
        • 1. Micro-segmentation and access control
          • 2. Security policy design and deployment
            • 3. Threat defense and compliance
              Topic 3: Data Center Network Architecture Design30%- Requirements analysis and solution design
              • 1. Business and technical requirement gathering
                • 2. Scalability and high availability planning
                  • 3. High-level topology design
                    Topic 4: EVPN-VXLAN Overlay Technologies25%- Overlay network design and implementation
                    • 1. EVPN control plane and routing
                      • 2. VXLAN encapsulation and integration
                        • 3. Multi-tenant and segment routing
                          Topic 5: Management, Orchestration and Operations10%- Management architecture and tools
                          • 1. Monitoring, visibility and troubleshooting
                            • 2. Integration with cloud and virtualization platforms
                              • 3. Fabric management and automation

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                                HPE Network Data Center Professional Architect Exam Sample Questions (Q75-Q80):

                                NEW QUESTION # 75
                                You delivered an L3 spine and leaf topology to a customer several years ago. The solution consisted of two CX 8325-32C switches at the spine and 20 CX 8325-48Y8C leaf switches. The leaf switches operate as 10 VSX pairs. The customer would now like to double the forwarding capacity of the topology. What should you recommend?

                                Answer: B

                                Explanation:
                                The current design has 2 spine switches, with each leaf connecting to each spine. Adding 2 more spines doubles the number of ECMP spine paths and therefore doubles the leaf-to-spine forwarding capacity, while staying within CX 8325-32C port limits.


                                NEW QUESTION # 76
                                What documents should be included in the solution proposal?

                                Answer: A

                                Explanation:
                                A solution proposal should include the proposed equipment and licensing details in a Bill of Materials. As-built diagrams are post-install deliverables, and architect meeting notes are not normally part of the customer-facing proposal.


                                NEW QUESTION # 77
                                You are designing an L3 spine and leaf topology that uses CX switches. Those switches implement EVPN VXLAN with a distributed gateway model. You are helping implementers to assemble a list of required loopback interface IDs and IP blocks. What information do you need from the customer to complete this list?

                                Answer: B

                                Explanation:
                                The choice of single-AS versus dual-AS affects the BGP control-plane configuration and AS numbering, not principally the required loopback inventory. Distributed-gateway designs can require dedicated per-VRF loopback addressing for services such as DHCP relay and unique source addressing. HPE also recommends planning an IP block for the loopbacks assigned to each overlay VRF.


                                NEW QUESTION # 78
                                Waratah Hospital, based in Australia, is planning to move many data center services to new facility. (The remaining legacy data center will not be part of this project.) Waratah Hospital hired an external consultant to assist with the new data center network design.
                                Based on the requirements for the data center network infrastructure, the external consultant has created a high-level design. The below summarizes the content of the design document.
                                Requirements and information:
                                - Six racks in the data center room (single row).
                                - Redundant Top of Rack leaf switches with back-to-front cooling in each rack, providing 10/25 Gbps connectivity to servers, storage, and other devices.
                                - Four 100 GbE uplinks per leaf switch.
                                - The customer requested to install all switch ports facing the back of the rack racks (hot aisle.)
                                - OOB management for servers, storage, and network has to be provided through an external switch with back-to-front cooling. This switch has to be included in the solution. One OOB switch provides connectivity for two racks.
                                - Core equipment for the OOBM network is being reused.
                                - Middle-of-row spine switches.
                                -The data center should connect to the hospital building with links that provide 400 Gbps.
                                - Internet access is provided through an existing firewall cluster with two firewalls, each firewall in one data room. The second firewall is operating in standby mode, VRRP is utilized on the firewalls for failover. The data center network should connect to these firewalls with links that total
                                100 Gbps.
                                - The external link is a dark fiber direct link based on single-mode fiber (OS2). The distance to the main hospital 1.5 KM. The links will terminate on two core switches in the hospital.
                                The customer also requires:
                                - 99.999% uptime for this life-critical environment.
                                - Planned and unplanned downtime has to be minimized.
                                - Software upgrades are only allowed once per year with close to zero downtime.
                                - All life-critical resources are accessed locally, and all resources exist within the hospital campus.
                                - Waratah Hospital requires a highly secure environment for the data center. Encrypted wire speed connectivity between the data room and the hospital is a must-have because the link between the buildings crosses a public road.
                                - Waratah Hospital has a mix of virtualized (vSphere) servers. Nutanix storage, bare metal servers, backup servers and other devices.
                                In the past, the hospital has had a security breach that resulted in data loss, network downtime, and identity theft.
                                Given the scenario, what environmental information should be gathered to complement the design? (Choose two.)

                                Answer: A,B

                                Explanation:
                                Heat dissipation and power requirements are environmental details that still need to be validated for the physical deployment.


                                NEW QUESTION # 79
                                Can EVPN/VXLAN Fabrics be configured to protect against Layer 2 loops?

                                Answer: B

                                Explanation:
                                EVPN/VXLAN fabrics can use loop protection mechanisms over VXLAN to detect and prevent Layer 2 loops. Spanning Tree is not typically extended across the VXLAN overlay.


                                NEW QUESTION # 80
                                ......

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