HPE Network Data Center Professional Architect : HPE7-A12 Exam

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HP HPE7-A12 Exam Syllabus Topics:

HPE Network Data Center Professional Architect Sample Questions:

Question 1

Drag and Drop Question
Order the severity levels (highest impact on top) into the righthand box.

Question 2

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

Question 3

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. You are trying to decide between the CX 9300 and CX 8325 switches for the border leaf switches. What is a hard requirement for this customer that affects this decision?

A. The need to minimize downtime during software upgrades
B. Hardware encryption on the links to the hospital
C. The bandwidth requirements on the links to the hospital
D. The mixed speed requirements to connect to both the hospital and the internet firewall

Question 4

You are modernizing a customer's legacy three-tier architecture with an L3 spine and leaf topology. The CX switches in the topology will provide the overlay. The customer data center uses six VRFs. The customer has asked for service leaf switches to connect to two clustered firewalls, which route and filter traffic between the VRFs. How should the service leaf switches connect to the firewalls?

A. On two VSX LAGs, which are in the default VRF
B. On four ROPs (two per switch), each ROP being in the default VRF
C. On two VSX LAGs, each of which carries one VLAN per VRF
D. On four ROPs (two per switch), each ROP being attached to the six data center VRFs

Question 5

A customer's data center uses structured cabling based on MMF O'5. The customer wants to upgrade the spine switches in their spine and leaf topology. A key goal of this upgrade is to eventually support 400GbE leaf-to-spine links. However, for a while, many of the leaf switches will continue to support 100GbE uplinks. What is a valid recommendation for the spine switches?

A. CX 10040 switches using 400G QSFP-DD MPO-16 transceivers
B. CX 9300-32D switches using 400G QSFP-DD MPO-16 transceivers
C. CX 9300-32D switches using 4x100G DR QSFP-DD transceivers
D. CX 10040 switches using 4x100G DR QSFP-DD transceivers

Solutions: