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HP HPE7-A12 Exam Syllabus Topics:

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

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HPE Network Data Center Professional Architect Exam Sample Questions (Q78-Q83):

NEW QUESTION # 78
To secure the network, which feature or capability should be implemented?

A. VSF on spines/cores layer
B. Disable access to RESTAPI
C. Bluetooth dongle
D. Control-Plane Access Control Lists

Answer: D

Explanation:
Control-plane ACLs help secure switches by restricting which sources can access management and control-plane services such as SSH, SNMP, REST API, and routing protocols.

NEW QUESTION # 79
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. Design a modular spine-leaf architecture that allows adding leaf switches and racks incrementally without redesigning the core
B. Avoid discussing future growth with the customer to keep scope narrow
C. Use a flat, non-modular Layer 2 network to keep the initial design simple
D. Design only for the current row and redesign the fabric entirely at each expansion

Answer: A

Explanation:
A modular spine-leaf design allows incremental scale-out (adding leaves/racks) without re- architecting the fabric, which is essential when the customer has known growth plans. Designing only for the current state, or ignoring growth plans, risks a costly redesign later.

NEW QUESTION # 80
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. Replace the CX 9300-32D switches with CX 9300S switches to ensure support for RoCEv1/v2
C. Redesign the solution to carry traffic without VXLAN to ensure support for DCB
D. Eliminate the spine to establish a rail-only topology

Answer: C

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 # 81
Your long-time customer has just acquired a company and they are planning on bringing the new data center sites up to their standards. They have asked for a bill of materials given only locations and port counts at the data center sites. What are valid assumptions that should be documented in the proposal? (Choose two.)

A. The acquired company's data center racks are sufficient for the new equipment and will be reused.
B. The project will be funded by the capital budget of the acquired company.
C. The acquired company's full-time staff will be converted to contractors.
D. The acquired company's IP schema in the existing data centers will be converted to IPv6.
E. The acquired company's data center cooling plant allows for the back-to-front airflow preferred by your customer.

Answer: A,E

Explanation:
With only locations and port counts, the proposal should document physical-site assumptions that affect deployment feasibility, such as adequate cooling/airflow and usable rack capacity for the new equipment.

NEW QUESTION # 82
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. Extend VXLAN all the way to the WAN routers by upgrading their firmware
B. Disable the overlay entirely for WAN-facing traffic
C. Require the customer to replace all WAN routers before the project can begin
D. Use border leaf switches to perform VXLAN-to-VLAN translation (bridging) toward the WAN edge

Answer: D

Explanation:
Border leaf switches are designed to bridge overlay VXLAN networks to traditional VLAN-based external networks (such as legacy WAN edge routers), avoiding the need to replace or upgrade those devices as a prerequisite.

NEW QUESTION # 83
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