AZ-305 · Integrated architecture scenarios · Relational data · High availability · Compute design

Practice question 386 of 400 · hard

A retailer has two healthy web instances but checkout fails during a zone outage because the order database is unavailable. What is the most useful design correction?

Choose the single best answer.

A.Review resilience, capacity, and probes across the checkout dependency path
B.Add frontend instances without changing the order database failure boundary
C.Use only a static frontend probe as evidence that the order transaction is available
D.Adopt the frontend SLA as the checkout objective without reviewing the data dependency

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✓ Correct answer

Review resilience, capacity, and probes across the checkout dependency path

Availability depends on the complete journey, including the data tier and surviving capacity. Extra frontends do not fix a failed indispensable database; static probes can hide dependency failure; a component SLA is not the journey target. Source guide: PDF page(s) 65.

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