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AWS SAA-C03 Free Practice Questions — Page 1

Solutions Architect Associate • 5 questions • Answers & explanations included

Question 1

A company collects data for temperature, humidity, and atmospheric pressure in cities across multiple continents. The average volume of data that the company collects from each site daily is 500 GB. Each site has a high-speed Internet connection. The company wants to aggregate the data from all these global sites as quickly as possible in a single Amazon S3 bucket. The solution must minimize operational complexity. Which solution meets these requirements?

A. Turn on S3 Transfer Acceleration on the destination S3 bucket. Use multipart uploads to directly upload site data to the destination S3 bucket.
B. Upload the data from each site to an S3 bucket in the closest Region. Use S3 Cross-Region Replication to copy objects to the destination S3 bucket. Then remove the data from the origin S3 bucket.
C. Schedule AWS Snowball Edge Storage Optimized device jobs daily to transfer data from each site to the closest Region. Use S3 Cross-Region Replication to copy objects to the destination S3 bucket.
D. Upload the data from each site to an Amazon EC2 instance in the closest Region. Store the data in an Amazon Elastic Block Store (Amazon EBS) volume. At regular intervals, take an EBS snapshot and copy it to the Region that contains the destination S3 bucket. Restore the EBS volume in that Region.
Show Answer & Explanation

Correct Answer: A. Turn on S3 Transfer Acceleration on the destination S3 bucket. Use multipart uploads to directly upload site data to the destination S3 bucket.

S3 Transfer Acceleration speeds up transfers to Amazon S3 by using Amazon CloudFront's globally distributed edge locations. This method leverages each site's high-speed Internet connection and optimizes transfer speeds without requiring additional intermediate infrastructure or storage. As a result, it minimizes operational complexity and ensures that the data from all global sites is aggregated in the destination S3 bucket as quickly as possible.

Question 2

A company needs the ability to analyze the log files of its proprietary application. The logs are stored in JSON format in an Amazon S3 bucket. Queries will be simple and will run on-demand. A solutions architect needs to perform the analysis with minimal changes to the existing architecture. What should the solutions architect do to meet these requirements with the LEAST amount of operational overhead?

A. Use Amazon Redshift to load all the content into one place and run the SQL queries as needed.
B. Use Amazon CloudWatch Logs to store the logs. Run SQL queries as needed from the Amazon CloudWatch console.
C. Use Amazon Athena directly with Amazon S3 to run the queries as needed.
D. Use AWS Glue to catalog the logs. Use a transient Apache Spark cluster on Amazon EMR to run the SQL queries as needed.
Show Answer & Explanation

Correct Answer: C. Use Amazon Athena directly with Amazon S3 to run the queries as needed.

Amazon Athena is the ideal choice for analyzing JSON log files stored in Amazon S3 with minimal operational overhead. Amazon Athena allows you to directly query data in S3 using standard SQL without the need for any data loading or additional infrastructure setup. This makes it highly suitable for running simple, on-demand queries while keeping changes to the existing architecture to a minimum.

Question 3

A company uses AWS Organizations to manage multiple AWS accounts for different departments. The management account has an Amazon S3 bucket that contains project reports. The company wants to limit access to this S3 bucket to only users of accounts within the organization in AWS Organizations. Which solution meets these requirements with the LEAST amount of operational overhead?

A. Add the aws PrincipalOrgID global condition key with a reference to the organization ID to the S3 bucket policy.
B. Create an organizational unit (OU) for each department. Add the aws:PrincipalOrgPaths global condition key to the S3 bucket policy.
C. Use AWS CloudTrail to monitor the CreateAccount, InviteAccountToOrganization, LeaveOrganization, and RemoveAccountFromOrganization events. Update the S3 bucket policy accordingly.
D. Tag each user that needs access to the S3 bucket. Add the aws:PrincipalTag global condition key to the S3 bucket policy.
Show Answer & Explanation

Correct Answer: A. Add the aws PrincipalOrgID global condition key with a reference to the organization ID to the S3 bucket policy.

The aws:PrincipalOrgID global condition key can be used in the S3 bucket policy to restrict access to only users from accounts within the same AWS organization. This method leverages AWS Organizations to identify the organization ID, simplifying the policy without the need to list individual account IDs, making it highly efficient and reducing operational overhead.

Question 4

An application runs on an Amazon EC2 instance in a VPC. The application processes logs that are stored in an Amazon S3 bucket. The EC2 instance needs to access the S3 bucket without connectivity to the internet. Which solution will provide private network connectivity to Amazon S3?

A. Create a gateway VPC endpoint to the S3 bucket.
B. Stream the logs to Amazon CloudWatch Logs. Export the logs to the S3 bucket.
C. Create an instance profile on Amazon EC2 to allow S3 access.
D. Create an Amazon API Gateway API with a private link to access the S3 endpoint.
Show Answer & Explanation

Correct Answer: A. Create a gateway VPC endpoint to the S3 bucket.

To provide private network connectivity between an EC2 instance in a VPC and an Amazon S3 bucket without internet connectivity, the best solution is to create a gateway VPC endpoint. This allows the EC2 instance to communicate directly with the S3 bucket over the AWS private network, avoiding the need for internet access.

Question 5

A company is hosting a web application on AWS using a single Amazon EC2 instance that stores user-uploaded documents in an Amazon EBS volume. For better scalability and availability, the company duplicated the architecture and created a second EC2 instance and EBS volume in another Availability Zone, placing both behind an Application Load Balancer. After completing this change, users reported that, each time they refreshed the website, they could see one subset of their documents or the other, but never all of the documents at the same time. What should a solutions architect propose to ensure users see all of their documents at once?

A. Copy the data so both EBS volumes contain all the documents
B. Configure the Application Load Balancer to direct a user to the server with the documents
C. Copy the data from both EBS volumes to Amazon EFS. Modify the application to save new documents to Amazon EFS
D. Configure the Application Load Balancer to send the request to both servers. Return each document from the correct server
Show Answer & Explanation

Correct Answer: C. Copy the data from both EBS volumes to Amazon EFS. Modify the application to save new documents to Amazon EFS

To ensure users see all of their documents at once, the best solution is to copy the data from both EBS volumes to Amazon EFS and modify the application to save new documents to Amazon EFS. Amazon Elastic File System (EFS) provides scalable, shared file storage that can be accessed by multiple EC2 instances across different Availability Zones. This will prevent the issue where users see different subsets of documents depending on which instance they are connected to, as both instances will have access to the same file system.

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