Design High-Performing Architectures
Targeted SAA-C03 practice for this exam objective, with an explanation for every answer option.
- Certification
- SAA-C03
- Domain
- Design High-Performing Architectures
- Questions
- 10
Practice SAA-C03 Design High-Performing Architectures questions with exam-style scenarios, detailed explanations, and option-by-option rationale for this domain.
Example question from this objective
Each option is explained, so the reasoning behind the distractors is part of the answer.
A latency-sensitive service has predictable baseline EC2 demand, cannot tolerate interruption, and must have launch capacity available in one Availability Zone. Separate batch jobs checkpoint and can retry during traffic peaks. Which purchasing strategy fits both workloads?
- Place both workloads on Dedicated Hosts to reserve physical servers, even though neither workload has a licensing or tenancy requirement.
- Run the baseline and batch jobs entirely on Spot Instances and rely on rebalance notices to prevent every interruption.
- Use a Savings Plan for the baseline without a Capacity Reservation and treat the billing discount as guaranteed zonal capacity.
- Cover the baseline with On-Demand Capacity Reservations and an applicable Savings Plan; use diversified price-capacity-optimized Spot for the retryable batch jobs.
Place both workloads on Dedicated Hosts to reserve physical servers, even though neither workload has a licensing or tenancy requirement. — Dedicated Hosts solve dedicated-tenancy and server-bound licensing needs. They add cost and management without matching either requirement in the scenario.
Run the baseline and batch jobs entirely on Spot Instances and rely on rebalance notices to prevent every interruption. — Spot capacity can be interrupted and is not guaranteed to launch. Rebalance notices help fault-tolerant work but do not make an interruption-intolerant baseline safe.
Use a Savings Plan for the baseline without a Capacity Reservation and treat the billing discount as guaranteed zonal capacity. — Savings Plans provide a billing discount, not a capacity reservation. They do not ensure that the required instance capacity is available in a specific Availability Zone.
Cover the baseline with On-Demand Capacity Reservations and an applicable Savings Plan; use diversified price-capacity-optimized Spot for the retryable batch jobs. — Correct. A Capacity Reservation supplies the required zonal capacity, while a Savings Plan can discount matching stable usage. Spot is appropriate for flexible batch work that is designed to checkpoint and retry.