HPE Network Data Center Professional Architect : HPE7-A12

HPE7-A12 real exams

Exam Code: HPE7-A12

Exam Name: HPE Network Data Center Professional Architect Exam

Updated: Aug 18, 2026

Q & A: 108 Questions and Answers

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HP HPE7-A12 Exam Syllabus Topics:

SectionObjectives
Topic 1: Designing HPE Aruba Networking Data Center Solutions- Security and Segmentation
  • 1. Policy and Access Control Design
    • 2. Network Segmentation Strategies
      - Requirements Discovery and Analysis
      - Data Center Network Architecture Design
      • 1. Spine-Leaf Architecture Design
        • 2. Multi-site and Scalable Fabric Design
          Topic 2: Operations and Optimization- Lifecycle Management
          - Monitoring and Troubleshooting
          Topic 3: Implementation and Deployment Planning- Deployment Methodologies
          • 1. Greenfield vs Brownfield Deployment
            • 2. Migration Planning
              - Solution Validation
              • 1. Design Verification
                • 2. Performance and Scalability Testing

                  HPE Network Data Center Professional Architect Sample Questions:

                  1. 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.
                  What are valid assumptions that can be made for this scenario when creating the network design documentation? (Choose two.)

                  A) Hardware delivery will meet project timelines.
                  B) The customer s staff can implement the project.
                  C) Sufficient virtualization resources for the deployment of software will be available.
                  D) The customer's budget for the project will be met.
                  E) Sufficient cabling between data centers will be available.


                  2. You have been called in to help design an HPE Aruba Networking CX network solution to connect AI servers to file storage. The solution must support NFS over RDMA and provide 400 GbE links to the edge. The design currently consists of leaf and spine switches, which carry all traffic in VXLAN tunnels. Each switch is a CX 9300-32D switch. What is one correction that you should make to the design?

                  A) Redesign the solution to carry traffic without VXLAN to ensure support for DCB
                  B) Replace the CX 9300-32D switches with CX 9300S switches to ensure support for RoCEv1/v2
                  C) Continue to use CX 9300-32D switches for the spine but use CX 9300S switches as leaf switches to optimize costs
                  D) Eliminate the spine to establish a rail-only topology


                  3. You are planning a pair of CX switches to act as ToR switches. The switches implement VSX as part of a data center L2 topology and connect to the core on VSX LAGs. To meet expansion requirements, you need to keep as many ports open as possible. What option should you recommend for VSX LAGs?

                  A) Sending the keepalives to and from loopback interfaces overs the VSX ISL.
                  B) Adding a link between the switches dedicated to the keepalives.
                  C) Sending the keepalives to and from loopback interfaces overs the uplinks to the core.
                  D) Using the OOBM interface to transmit keepalives.


                  4. You are designing an L3 spine and leaf architecture for a customer based on CX 10000 Series switches as leaf switches. The customer has added a requirEMENT that the leaf switches also support servers' iSCSI adapters. You have verified your design also meETS The customer's needs for lossless iSCSI. The customer asks for advice on ensuring that THE East-west firewall permits the iSCSI traffic. What should you explain?

                  A) The custOMER should place the iSCSI adapters in a PVLAN isolated VLAN to ensure traFFIC is forwarded without disruption from VM traffic.
                  B) CX 10000 switches do not implement east-west firewall policies on traffic in a no-drop PFC queue.
                  C) The customer should place the iSCSI adapters in a PVLAN primary VLAN to ensure trafFIC Is permitted.
                  D) Fabric Composer supports VM tag-based Endpoint Groups (EPGs) which will make it easy for the customer to select the iSCSI traffic and permit it.


                  5. You are proposing HPE Aruba Networking Central for a customer. Which customer requirement can only be fulfilled by AAS license, as opposed to an AAE license?

                  A) The customer is purchasing some licenses now and more licenses in a few months and would like the option to have the term end for all the licenses.
                  B) The customer has budget available to pay for a full 3-year license as part of the initial payment for the networking solution.
                  C) The customer is just getting acquainted with HPE Aruba Networking Central and wants to start with a 1-year license.
                  D) The customer requires a license that supports AI Insights for CX 8325 and CX 9300 switches.


                  Solutions:

                  Question # 1
                  Answer: C,E
                  Question # 2
                  Answer: A
                  Question # 3
                  Answer: D
                  Question # 4
                  Answer: B
                  Question # 5
                  Answer: A

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