2026 Trustable HP HPE7-A12: Exam HPE Network Data Center Professional Architect Exam Flashcards

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HP HPE7-A12 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Data Center Network Security and Policy	20%	- Security architecture and policy enforcement 1. Micro-segmentation and access control 2. Security policy design and deployment 3. Threat defense and compliance
Topic 2: Management, Orchestration and Operations	10%	- Management architecture and tools 1. Monitoring, visibility and troubleshooting 2. Fabric management and automation 3. Integration with cloud and virtualization platforms
Topic 3: Lossless and AI-Optimized Networking	15%	- Advanced transport and optimization 1. AI-driven network optimization 2. Lossless Ethernet and priority flow control 3. Congestion management and QoS
Topic 4: EVPN-VXLAN Overlay Technologies	25%	- Overlay network design and implementation 1. Multi-tenant and segment routing 2. VXLAN encapsulation and integration 3. EVPN control plane and routing
Topic 5: Data Center Network Architecture Design	30%	- Requirements analysis and solution design 1. Business and technical requirement gathering 2. High-level topology design 3. Scalability and high availability planning

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HPE Network Data Center Professional Architect Exam Sample Questions (Q12-Q17):

NEW QUESTION # 12
You are replacing the access layer of a customer data center network that uses VMware NSX.
The customer has identified several subnets outside the VMware platform to which the customer would like to add overlay routing. What high-level plan works for this customer?

A. Proposing CX switches and a Fabric Composer plug-in to Morpheus VM Essentials, which will create an integrated overlay fabric for all subnets
B. Proposing CX switches and a Fabric Composer plug-in. which will enable the CX switches to add the subnets in question to the same overlay used by NSX
C. Proposing CX switches, which will integrate with NSX to provide the desired functionality provided that the customer also add NSX licenses
D. Proposing CX switches that use EVPN VXLAN to provide a separate overlay fabric for the subnets in question

Answer: D

Explanation:
NSX uses its own VMware overlay, and CX switches do not simply extend or join that NSX overlay. For non-VMware subnets, the valid approach is to build a separate CX EVPN-VXLAN overlay and route between overlays where needed.

NEW QUESTION # 13
Your customer wants to host endpoints on the Border Leaf switches. Is this a supported topology?

A. Yes, using Routed-only ports.
B. No, as a Border Leaf is a pure Layer 3 device and has to remain like that.
C. No, as a Border Leaf only supports Loopback addresses.
D. Yes, configuring VLANs and SVIs on a Border is a supported way to operate.

Answer: D

Explanation:
A border leaf can still function as a leaf switch and host endpoint VLANs/SVIs, while also providing external connectivity for the fabric.

NEW QUESTION # 14
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, each of which carries one VLAN per VRF
B. On four ROPs (two per switch), each ROP being attached to the six data center VRFs
C. On four ROPs (two per switch), each ROP being in the default VRF
D. On two VSX LAGs, which are in the default VRF

Answer: A

Explanation:
Create one multi-chassis LAG to each firewall. Each LAG operates as a Layer 2 trunk carrying a separate transit VLAN for every VRF. HPE's validated border-leaf configuration uses two MC- LAGs-one to each firewall-with the external VRF VLANs permitted on both.

NEW QUESTION # 15
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. 0
B. 1
C. 2
D. 3

Answer: C

Explanation:
For AI backend interconnects, HPE recommends a rail-optimized design with one 400GbE rail per GPU/NIC path. With 4 GPUs per server, propose 4 CX 9300-32D switches, each serving one rail across the 12 servers.

NEW QUESTION # 16
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. Redesign the solution to carry traffic without VXLAN to ensure support for DCB
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. Eliminate the spine to establish a rail-only topology

Answer: A

Explanation:
NFS over RDMA/RoCE requires lossless Ethernet behavior with DCB features such as PFC/ETS and ECN. For CX 9300-based RoCE designs, ECN is supported in the underlay, not in the VXLAN overlay, so RDMA storage traffic should not be carried through VXLAN tunnels.

NEW QUESTION # 17
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