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AWS SAA-C03 Cheat Sheet: The Ultimate Study Guide for AWS Certified Solutions Architect Associate Exam (AWS-SAA) - Study Guides Exam Questions
Last updated on July 22, 2026
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Question
A company is building an ecommerce platform that will allow customers to place orders online. Customer traffic varies significantly. An order-processing microservice is running on a group of Amazon EC2 instances. A solutions architect must ensure that the application remains responsive and decoupled from the frontend. The application must also be able to reprocess orders that the application fails to process on the first attempt. Which solution will meet these requirements?
Options
A
Deploy an Amazon SQS queue to integrate the frontend and the order-processing microservice.
Configure the frontend to send messages to the queue. Configure the EC2 instances to process messages from the queue.
Configure the frontend to send messages to the queue. Configure the EC2 instances to process messages from the queue.
B
Use Amazon Kinesis Data Streams to ingest all order requests from the frontend. Configure the Amazon EC2 instances to continuously poll the stream and process orders in near real time.
C
Deploy an Application Load Balancer in front of the order-processing microservice. Configure the Amazon EC2 instances to scale out automatically based on CPU utilization metrics as traffic increases.
D
Establish direct HTTPS connections from the frontend to the microservice. Use a dynamically expanding thread pool to handle concurrency at the microservice layer.
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2
Question
A company wants to enhance its ecommerce order-processing application that is deployed on AWS. The application must process each order exactly once without affecting the customer experience during unpredictable traffic surges.
Which solution will meet these requirements?
Which solution will meet these requirements?
Options
A
Create an Amazon Simple Notification Service (Amazon SNS) standard topic. Publish all the orders to the SNS standard topic. Configure the application as a notification target.
B
Create an Amazon Simple Queue Service (Amazon SQS) FIFO queue. Put all the orders in the SQS queue. Configure an AWS Lambda function as the target to process the orders.
C
Configure AWS X-Ray in the application to track the order requests. Configure the application to process the orders by pulling the orders from Amazon CloudWatch.
D
Create a flow by using Amazon AppFlow. Send the orders to the flow. Configure an AWS Lambda function as the target to process the orders.
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3
Question
A company has a single AWS account that contains resources belonging to several teams. The company needs to identify the costs associated with each team. The company wants to use a tag named CostCenter to identify resources that belong to each team.
Select 2
Options
A
Create a tag for each team, and set the value to CostCenter.
B
Tag all resources that belong to each team with the user-defined CostCenter tag.
C
Set up consolidated billing in the existing AWS account.
D
Configure AWS Billing and Cost Management to send monthly invoices to the company through email messages.
E
Activate the CostCenter tag to track cost allocation.
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4
Question
A company is building an Amazon Elastic Kubernetes Service (Amazon EKS) cluster for its workloads. All secrets that are stored in Amazon EKS must be encrypted in the Kubernetes etcd key-value store.
Which solution will meet these requirements?
Which solution will meet these requirements?
Options
A
Create a new AWS Key Management Service (AWS KMS) key. Enable Amazon EKS KMS secrets encryption on the Amazon EKS cluster.
B
Create a new AWS Key Management Service (AWS KMS) key. Use AWS Secrets Manager to manage, rotate, and store all secrets in Amazon EKS.
C
Create a new AWS Key Management Service (AWS KMS) key with the alias/aws/ebs alias. Enable default Amazon Elastic Block Store (Amazon EBS) volume encryption for the account.
D
Create the Amazon EKS cluster with default options. Use the Amazon Elastic Block Store (Amazon EBS) Container Storage Interface (CSI) driver as an add-on.
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5
Question
A company runs a production database on Amazon RDS for MySQL. The company wants to upgrade the database version for security compliance reasons. Because the database contains critical data, the company wants a quick solution to upgrade and test functionality without losing any data.
Which solution will meet these requirements with the LEAST operational overhead?
Which solution will meet these requirements with the LEAST operational overhead?
Options
A
Use native backup and restore. Restore the data to the upgraded new version of Amazon RDS for
MySQL.
MySQL.
B
Create an RDS manual snapshot. Upgrade to the new version of Amazon RDS for MySQL.
C
Use Amazon RDS Blue/Green Deployments to deploy and test production changes.
D
Use AWS Database Migration Service (AWS DMS) to replicate the data to the upgraded new version of Amazon RDS for MySQL.
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