HPE7-A12 HPE Network Data Center Professional Architect Exam Practice Questions
Prepare for HPE7-A12 with more than an answer.
- Level
- Professional
Domains covered on the exam 4
- Determine customer's requirements19%
- Analyze requirements25%
- Architect the solution39%
- Prepare and present the solution17%
- 1
A managed service provider (MSP) requires a new data center design that can securely isolate traffic for 50 different enterprise customers over a shared physical infrastructure. Additionally, customers may have overlapping IP address spaces. Which technical solution maps most accurately to this requirement?
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Correct answer: C
To support multi-tenancy with overlapping IP address spaces over a shared physical fabric, Virtual Routing and Forwarding (VRF) is required to maintain separate routing tables. In a modern data center, this is achieved using EVPN-VXLAN by mapping each customer's VRF to a unique Layer 3 Virtual Network Identifier (L3VNI). 802.1Q VLANs cannot handle overlapping IP subnets without VRFs.
- 2
When designing a lossless Ethernet fabric for an AI/ML environment utilizing RDMA, the architect must ensure that converged traffic classes are properly managed. Which TWO protocols are essential for negotiating and enforcing Quality of Service (QoS) parameters across the data center bridging environment? (Select TWO)
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Correct answer: A, B
Data Center Bridging Exchange (DCBX) is an extension of LLDP used to negotiate and configure DCB features (like PFC and ETS) between peers. Priority Flow Control (PFC) provides the actual mechanism to pause traffic on a per-priority basis, ensuring a lossless environment for RDMA traffic.
Priority Flow Control (PFC) provides the actual mechanism to pause traffic on a per-priority basis, ensuring a lossless environment for RDMA traffic. DCBX is used to negotiate these settings. BGP and EVPN are routing/overlay protocols, not QoS mechanisms.
- 3
During the requirement analysis phase, an architect writes down: 'The customer will provide the necessary dark fiber connections between Data Center A and Data Center B by Q3.' How should this statement be formally categorized in the design documentation?
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Correct answer: C
A dependency is an event or task that must be completed by an external party or separate project track before the current project can proceed as designed. Since the design relies on the customer providing the dark fiber by a specific date, it is a dependency. An assumption is something accepted as true without proof (e.g., 'assuming the existing racks have sufficient power').
- 4
During the initial phase of a data center modernization project for OmniHealth Systems, the lead architect is mapping out the project's stakeholders. The architect needs to identify the individual who ultimately signs off on the budget and accepts the final business risk of the project. According to standard RACI and stakeholder mapping methodologies, which role does this individual fulfill?
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Correct answer: D
The Project Sponsor is the individual (often an executive like a CIO or CFO) who secures the funding, champions the project at the executive level, and ultimately accepts the business risk and signs off on the budget. While a Technical Decision Maker (TDM) evaluates the technology, they do not typically hold the final financial authority. Identifying the sponsor early is critical to ensure the project aligns with high-level business objectives.
- 5
An architect is interviewing the CIO of a financial services firm to understand the objectives for a new data center fabric. The CIO states, 'We need to ensure that a failure of a single core switch does not result in more than 50 milliseconds of application downtime.' How should the architect classify this statement?
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Correct answer: C
The statement provides a highly specific, measurable metric (50 milliseconds) related to system availability and failover performance. This makes it a technical requirement and a clear success criterion for the design. A business objective would be broader, such as 'minimize risk to financial transactions during hardware failures.' Dependencies refer to external factors required for project execution.
- 6
While performing a brownfield discovery for an enterprise customer, you find an existing data center network relying heavily on a spanning-tree topology with blocked links to prevent loops. The customer wants to migrate to an EVPN-VXLAN fabric. Which of the following is the MOST critical risk to document regarding the integration phase between the old and new environments?
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Correct answer: C
When integrating a legacy STP-based network with a modern EVPN-VXLAN fabric during migration, the boundary is highly susceptible to bridging loops. EVPN-VXLAN uses BGP for control plane MAC learning and does not natively run STP across the overlay. Therefore, strict loop prevention mechanisms (like BPDU guard/filtering or careful VLAN mapping) must be documented and designed to prevent broadcast storms.
flowchart TD A[Legacy STP Core] -->|Trunk| B[EVPN Border Leaf] B -->|VXLAN| C[EVPN Fabric] A -.->|Redundant Link| B style B stroke:#f66,stroke-width:2px
