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HP HPE7-A12 Exam Syllabus Topics:

HPE Network Data Center Professional Architect Sample Questions:

Question 1

The customer operates a 24/7 production facility and is concerned that the migration will disrupt the production line. What are two ways to minimize or eliminate this disruption? (Choose two.)

A. Close the production site for at least 1 day to do a bing-bang approach
B. Create a Migration Plan which describes a phased approach, i.e. access layer first, distribution layer second, etc.
C. Replace one access switch at a time and patch the ports by using a patch plan.
D. Whenever possible, ramp up the new infrastructure in parallel and do transparent switching from old to new core switch.

Question 2

You are planning a pair of CX switches to act as ToR switches. The switches implement VSX as part of a data center L2 topology and connect to the core on VSX LAGs. To meet expansion requirements, you need to keep as many ports open as possible. What option should you recommend for VSX LAGs?

A. Adding a link between the switches dedicated to the keepalives.
B. Sending the keepalives to and from loopback interfaces overs the VSX ISL.
C. Using the OOBM interface to transmit keepalives.
D. Sending the keepalives to and from loopback interfaces overs the uplinks to the core.

Question 3

A customer's data center has 40 racks and is growing. The customer asks you to recommend a fabric topology that supports predictable latency and easy horizontal scaling. Which topology should you recommend?

A. Spine-leaf (Clos) fabric
B. Full-mesh access layer
C. Ring topology
D. Three-tier core-distribution-access

Question 4

During a design workshop, the customer states their applications are highly sensitive to latency and jitter, such as real-time market data feeds. What design change might you propose?

A. Use store-and-forward switches exclusively to guarantee accuracy over speed
B. Add additional aggregation tiers to increase path diversity
C. Reduce the number of spine switches to simplify the topology
D. Implement a non-blocking, low-latency spine-leaf fabric with minimal oversubscription and hardware timestamping/PTP support if needed

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. Using default STP timers throughout the fabric
D. Relying solely on manual failover procedures

Solutions: