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HP HPE7-A12 Exam Syllabus Topics:

HPE Network Data Center Professional Architect Sample Questions:

1. A customer's data center is expanding from one row to five rows over the next two years. What design principle should guide the initial fabric design to support this growth?

A) Avoid discussing future growth with the customer to keep scope narrow
B) Design only for the current row and redesign the fabric entirely at each expansion
C) Use a flat, non-modular Layer 2 network to keep the initial design simple
D) Design a modular spine-leaf architecture that allows adding leaf switches and racks incrementally without redesigning the core

2. 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.
Refer to the scenario. One of your junior colleagues has recommended deploying CX 8325-32C BF 6F 2AC Bundle switches for border leaf switches. What issue should you point out with this plan?

A) These switches do not support sufficient power redundancy for the customer's requirements.
B) These switches cannot establish 4x 25 GbE links to comply with best practices for connecting to the firewalls.
C) These switches do not meet all of the customer's requirements for the link to the hospital.
D) These switches are using the wrong airflow for the customers environment.

3. A customer is deploying a cluster of twelve servers running AI workloads. Each server has four NVIDIA GPUs connected with NVLink. Each server supports 400 GbE connectivity on up to six ports; however, you can recommend using fewer ports. You have been asked to design a network to for the server's backend AI interconnect. Based on HPE Networking 'ecommendations for this workload, how many CX 9300-32D switches should you propose?

A) 12
B) 3
C) 4
D) 6

4. You are choosing switches for a new rack, which needs to support several types of traffic including HTTPS multicast streaming, and iSCSI traffic You are attempting to choose between CX 8360v2-32Y6C and CX 8325-48Y8C models both of which can meet the racks' port requirements. Which technical requirement should point you toward the 8325 model?

A) A requirement to support a mix of 10GbE and 25GbE server connections
B) A requirement to allocate two different specific amounts of buffer space to platinum-tier and to gold-tier iSCSI storage
C) A requirement to route the multicast traffic across multiple subnets
D) A requirement to support both IP ECN AND PFC

5. During the design validation phase, you propose a "proof of concept" (PoC) lab test before full production deployment. What is the primary value of a PoC in this context?

A) It replaces the need for a design document
B) It guarantees the design will have zero issues in production
C) It allows the customer and architect to validate key design assumptions (e.g., failover behavior, interoperability) in a controlled environment before committing to full rollout
D) It is required by law for all network designs

Solutions: