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HP HPE7-A12 Exam Syllabus Topics:

HPE Network Data Center Professional Architect Sample Questions:

Question #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.
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 shouldn't connect these switches to the data center data plane.
C. You should connect these switches to the spine.
D. You should connect to the ToR switches in each rack.

Question #2
A customer's network team is hesitant to adopt Fabric Composer because they are comfortable with CLI-based management. What is an effective way to address this concern in the design proposal?

A. Remove Fabric Composer from the proposal entirely without discussion
B. Propose a phased adoption plan, including training, and highlight that Fabric Composer still allows CLI access for troubleshooting while providing intent-based automation for day-to-day operations
C. Ignore their concern and mandate the change unilaterally
D. Tell the customer CLI access will be permanently disabled

Question #3
During the proposal stage, the customer asks why you recommended VSX instead of a traditional stacking solution for their top-of-rack switches. What is the best justification?

A. VSX allows independent control planes on each switch, so a software issue on one switch does not affect the other, unlike stacking which shares a single control plane
B. VSX is only available on access switches
C. VSX requires fewer cables than any other design
D. VSX eliminates the need for redundant power supplies

Question #4
Refer to the exhibit.

You could make a change to the services that will save the customer money without affecting the level of support provided. What is that change?

A. Selecting hardware support only FC 4h OS HW
B. Selecting SW + TechSupp
C. Selecting HW Onsite + SW + TechSupp FC 4h OS CDMR

Question #5
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. Increasing the ARP cache timeout to reduce protocol overhead
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. Using default STP timers throughout the fabric

Solutions: