Design cost-optimized compute solutions.

31 practice questions under this official exam objective (SAA-C03), each with the answer key, an option-by-option explanation and instant feedback.

Questions under this objective

31 total · page 1 of 2
SAA-C03 S-grade

Which EC2 purchase model mix for unpredictable SQS load?

For an SQS-driven EC2 worker fleet with unpredictable, intermittent message volume, the most cost-effective design is Reserved Instances covering the

168 comments
SAA-C03 S-grade

Which Tool Migrates 50 TB With Least Overhead?

This SAA-C03 scenario asks how to move 50 TB from a bandwidth-starved data center to AWS while keeping a weekly transformation job running in the clou

72 comments
SAA-C03 A-grade

How Should Containers Run to Minimize Cost and Overhead?

For stateless container applications that tolerate infrastructure disruptions, the cheapest and least operationally demanding pattern on AWS is Spot I

56 comments
SAA-C03 S-grade

Scheduled scaling for a predictable morning EC2 traffic spike

Scheduled scaling is the right control for a predictable morning login surge on an EC2 Auto Scaling fleet; the answer is to raise desired capacity to

53 comments
SAA-C03 S-grade

How to Reduce Lambda Compute Costs While Maintaining Latency?

This SAA-C03 question asks how to cut AWS Lambda compute costs for CPU-intensive message-queue processing while keeping customer-facing latency stable

17 comments
SAA-C03 S-grade

Monitoring Compute Savings Plans Coverage with AWS Budgets

This page explains how to monitor EC2, Fargate, and Lambda coverage using AWS Budgets thresholds for maximum operational efficiency. It establishes th

15 comments
SAA-C03 S-grade

Cost-Optimized ECS Fargate High Availability Strategy

This question tests how to balance high availability and cost optimization for resource-intensive web applications on AWS Fargate using capacity provi

14 comments
SAA-C03 S-grade

Automating RDS Start/Stop with Least Overhead

This page analyzes the most cost-effective and low-overhead method to schedule Amazon RDS instance start and stop operations using AWS native services

13 comments
SAA-C03 S-grade

Least Implementation Effort for Web Portal and Document Extraction

This scenario evaluates the ability to design a cost-effective, scalable solution for infrequent document processing while maintaining high availabili

12 comments
SAA-C03 S-grade

Most Cost-Effective EC2 Scaling for Sudden Seasonal Sale Traffic?

For a multi-AZ EC2 website facing sudden seasonal sale traffic spikes, the most cost-effective solution is an Auto Scaling group that scales out on de

11 comments
SAA-C03 A-grade

Achieving High Availability with Auto Scaling and DynamoDB

This question addresses designing highly available architectures by distributing EC2 instances across multiple Availability Zones and migrating embedd

10 comments
SAA-C03 S-grade

Cost-Optimized Batch Processing and Data Lifecycle in AWS

This question evaluates the selection of cost-optimized EC2 instance types and S3 storage classes for a batch processing workload with specific availa

10 comments
SAA-C03 A-grade

AWS Serverless Messaging with Exactly-Once Delivery

This question tests the design of a serverless architecture using AWS Lambda and Amazon SQS FIFO queues to achieve exactly-once delivery with minimal

9 comments
SAA-C03 S-grade

How to Process Terabyte-Sized Videos Cost-Effectively on AWS?

Processing terabyte-sized videos that take up to 20 minutes requires compute that scales elastically without server management. This page establishes

8 comments
SAA-C03 S-grade

Reduce EC2 Data Transfer Costs in Batch Processing

To minimize data transfer costs for batch processing between EC2 instances and S3, place all instances in the same Availability Zone to eliminate cros

7 comments
SAA-C03 S-grade

Compute Savings Plan and Lambda VPC Configuration for Cost Optimization

To minimize costs while maintaining network access, use a Compute Savings Plan covering both EC2 and Lambda, and attach Lambda to private subnets.

7 comments
SAA-C03 S-grade

Cost-Effective Serverless Reporting with AWS Lambda

This question evaluates designing cost-optimized compute solutions for sporadic, short-duration tasks using AWS Lambda versus EC2 or ECS.

7 comments
SAA-C03 S-grade

How to Optimize EC2 Costs for Production and Nonproduction Instances?

This SAA-C03 cost-optimization question asks how to combine EC2 purchasing options for steady production usage and weekday-only nonproduction environm

7 comments
SAA-C03 A-grade

Most Cost-Effective RDS and EC2 Savings Strategy

This question explores the most cost-effective way to optimize costs for long-running Amazon RDS and EC2 workloads using Reserved Instances and Saving

6 comments
SAA-C03 A-grade

Serverless Payment App: Lambda & ECS Fargate for Least Overhead

This question tests designing a serverless architecture using AWS Lambda for validation and Amazon ECS with Fargate for long-running backend processin

6 comments