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AZ-305 · Compute design

Practice question 273 of 400 · medium

A research application uses tightly coupled MPI work across several nodes. Which Batch capability should be evaluated?

Choose the single best answer.

  1. A.A dependency graph waiting for separate single-node tasks to finish
  2. B.Pool autoscale alone with ordinary single-node commands
  3. C.Multi-instance tasks with compatible node, network, and coordination requirements
  4. D.Independent single-node tasks without cross-node coordination
Show the answer and explanation

✓ Correct answer

  • Multi-instance tasks with compatible node, network, and coordination requirements

Multi-instance tasks coordinate supported tightly coupled MPI execution. Uncoordinated tasks, capacity autoscale alone, and completion dependencies between separate single-node commands do not supply simultaneous distributed execution and communication. Source guide: PDF page(s) 48.

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