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HP HPE7-A12 Exam Syllabus Topics:

SectionObjectives
Designing HPE Aruba Networking Data Center Solutions- Security and Segmentation
  • 1. Policy and Access Control Design
    • 2. Network Segmentation Strategies
      - Data Center Network Architecture Design
      • 1. Multi-site and Scalable Fabric Design
        • 2. Spine-Leaf Architecture Design
          - Requirements Discovery and Analysis
          Operations and Optimization- Lifecycle Management
          - Monitoring and Troubleshooting
          Implementation and Deployment Planning- Deployment Methodologies
          • 1. Migration Planning
            • 2. Greenfield vs Brownfield Deployment
              - Solution Validation
              • 1. Performance and Scalability Testing
                • 2. Design Verification

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                  HPE Network Data Center Professional Architect Exam Sample Questions (Q71-Q76):

                  NEW QUESTION # 71
                  A customer wants to know how their new EVPN VXLAN fabric will interoperate with their existing WAN edge routers, which only support traditional VLAN trunks. What is an appropriate design element to bridge this gap?

                  Answer: B

                  Explanation:
                  Border leaf switches are designed to bridge overlay VXLAN networks to traditional VLAN-based external networks (such as legacy WAN edge routers), avoiding the need to replace or upgrade those devices as a prerequisite.


                  NEW QUESTION # 72
                  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, which environmental requirements are provided in this scenario? (Choose two.)

                  Answer: C,E

                  Explanation:
                  The scenario provides switch placement requirements and airflow direction, including back-to- front cooling and ports facing the hot aisle.


                  NEW QUESTION # 73
                  You are proposing a new data center fabric to a customer whose applications rely heavily on IP multicast for market data distribution. Which control-plane protocol should you plan to support in the underlay or overlay design?

                  Answer: A

                  Explanation:
                  Multicast-heavy environments require a multicast routing protocol such as PIM in the underlay, and if using an EVPN VXLAN overlay, EVPN's multicast/IGMP proxy extensions should be considered to efficiently replicate multicast traffic. STP, HSRP, and LLDP do not address multicast forwarding.


                  NEW QUESTION # 74
                  Which document is most useful for capturing the customer's non-negotiable requirements versus features that are merely desirable, early in the design engagement?

                  Answer: C

                  Explanation:
                  A requirements traceability matrix or MoSCoW (Must have, Should have, Could have, Won't have) list explicitly separates mandatory requirements from nice-to-have features, ensuring the design addresses what truly matters to the customer. BOMs, rack elevations, and cable plans are downstream artifacts.


                  NEW QUESTION # 75
                  Your customer requires management access to switches through SSH. Which authentication mechanism can be implemented?

                  Answer: D

                  Explanation:
                  SSH management access can be authenticated against an external directory using secure LDAP/LDAPS, allowing centralized user authentication for switch administration.


                  NEW QUESTION # 76
                  ......

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