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HP HPE7-A12 Exam Syllabus Topics:

HPE Network Data Center Professional Architect Sample Questions:

1. 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?

A) Require the customer to replace all WAN routers before the project can begin
B) Disable the overlay entirely for WAN-facing traffic
C) Extend VXLAN all the way to the WAN routers by upgrading their firmware
D) Use border leaf switches to perform VXLAN-to-VLAN translation (bridging) toward the WAN edge

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

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

3. Which of the following is an appropriate deliverable to include in a High-Level Design (HLD) document, as opposed to a Low-Level Design (LLD)?

A) Specific IP addressing for every VLAN
B) Conceptual topology diagram and overall architecture rationale
C) Switch configuration CLI commands
D) Exact port-by-port cabling diagram

4. During requirements gathering, the customer's application owner states RTO must be under 60 seconds for a critical database cluster. Which network-level design decision most directly supports this requirement?

A) Using default STP timers throughout the fabric
B) Using fast-converging protocols (e.g., BFD with routing protocols, sub-second VSX failover) and minimizing L2 dependency for that segment
C) Relying solely on manual failover procedures
D) Increasing the ARP cache timeout to reduce protocol overhead

5. 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) Eliminate the spine to establish a rail-only topology
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) Redesign the solution to carry traffic without VXLAN to ensure support for DCB

Solutions: