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HP HPE7-A12 Exam Syllabus Topics:

HPE Network Data Center Professional Architect Sample Questions:

Question 1

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

Question 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.
In this scenario, the customers servers are HPE Servers. For the iLO ports, you propose a 6300M switch for each rack. What is the best practice to connect these switches to the data center data plane?

A. You should connect these switches to the border leaf.
B. You should connect these switches to the spine.
C. You shouldn't connect these switches to the data center data plane.
D. You should connect to the ToR switches in each rack.

Question 3

A customer asks whether they should adopt a routed (Layer 3) access design or a bridged (Layer
2) access design for their new data center fabric. Which factor most strongly favors a routed access design?

A. The customer has many legacy applications requiring Layer 2 adjacency across racks
B. The customer has no requirement for scalability
C. The customer wants to minimize the fault domain size and avoid spanning-tree dependency, and applications don't require L2 adjacency beyond the rack
D. The customer wants to run VMware vMotion across the entire data center without any L3 boundary

Question 4

Identify the documentation resources for finding validated information that assists the architect in designing the solution (Choose two.)

A. Configuration guides
B. Competitive documentation
C. LinkedIn
D. Product reviews (cnet, networkworld)
E. Data sheets

Question 5

What is the correct statement with regard to flow synchronization on the HPE Aruba Networking CX 10000 Distributed Services Modules (DSM) operating in VSX?

A. Flow state on DSM1 of a VSX member is synchronized to DSM2 on the other VSX member.
B. Flow state is synchronized between the matching DSMs between the VSX peers.
C. Flow state on the DSMs is not synchronized between the VSX members.
D. Flow state on DSM1 of a VSX member is synchronized to any DSM on the other VSX member.

Solutions: