SAA-C03 Free Practice Test

- (Exam Topic 1)
A company's application integrates with multiple software-as-a-service (SaaS) sources for data collection. The company runs Amazon EC2 instances to receive the data and to upload the data to an Amazon S3 bucket for analysis. The same EC2 instance that receives and uploads the data also sends a notification to the user when an upload is complete. The company has noticed slow application performance and wants to improve the performance as much as possible.
Which solution will meet these requirements with the LEAST operational overhead?

1. A. Create an Auto Scaling group so that EC2 instances can scale ou
2. B. Configure an S3 event notification to send events to an Amazon Simple Notification Service (Amazon SNS) topic when the upload to the S3 bucket is complete.
3. C. Create an Amazon AppFlow flow to transfer data between each SaaS source and the S3 bucket.Configure an S3 event notification to send events to an Amazon Simple Notification Service (Amazon SNS) topic when the upload to the S3 bucket is complete.
4. D. Create an Amazon EventBridge (Amazon CloudWatch Events) rule for each SaaS source to send output dat
5. E. Configure the S3 bucket as the rule's targe
6. F. Create a second EventBridge (CloudWatch Events) rule to send events when the upload to the S3 bucket is complet
7. G. Configure an Amazon Simple Notification Service (Amazon SNS) topic as the second rule's target.
8. H. Create a Docker container to use instead of an EC2 instanc
9. I. Host the containerized application on Amazon Elastic Container Service (Amazon ECS). Configure Amazon CloudWatch Container Insights to send events to an Amazon Simple Notification Service (Amazon SNS) topic when the upload to the S3 bucket is complete.

Correct Answer: B
Amazon AppFlow is a fully managed integration service that enables you to securely transfer data between Software-as-a-Service (SaaS) applications like Salesforce, SAP, Zendesk, Slack, and ServiceNow, and AWS services like Amazon S3 and Amazon Redshift, in just a few clicks. https://aws.amazon.com/appflow/

- (Exam Topic 3)
An ecommerce company is running a multi-tier application on AWS. The front-end and backend tiers run on Amazon EC2, and the database runs on Amazon RDS for MYSQL. The backend tier communities with the RDS instance. There are frequent calls to return identical database from the database that are causing performance slowdowns.
Which action should be taken to improve the performance of the backend?

1. A. Implement Amazon SNS to store the database calls.
2. B. Implement Amazon ElasticCache to cache the large database.
3. C. Implement an RDS for MySQL read replica to cache database calls.
4. D. Implement Amazon Kinesis Data Firehose to stream the calls to the database.

Correct Answer: B

- (Exam Topic 3)
A company has an application that places hundreds of .csv files into an Amazon S3 bucket every hour. The files are 1 GB in size. Each time a file is uploaded, the company needs to convert the file to Apache Parquet format and place the output file into an S3 bucket.
Which solution will meet these requirements with the LEAST operational overhead?

1. A. Create an AWS Lambda function to download the .csv files, convert the files to Parquet format, and place the output files in an S3 bucke
2. B. Invoke the Lambda function for each S3 PUT event.
3. C. Create an Apache Spark job to read the .csv files, convert the files to Parquet format, and place the output files in an S3 bucke
4. D. Create an AWS Lambda function for each S3 PUT event to invoke the Spark job.
5. E. Create an AWS Glue table and an AWS Glue crawler for the S3 bucket where the application places the.csv file
6. F. Schedule an AWS Lambda function to periodically use Amazon Athena to query the AWS Glue table, convert the query results into Parquet format, and place the output files into an S3 bucket.
7. G. Create an AWS Glue extract, transform, and load (ETL) job to convert the .csv files to Parquet format and place the output files into an S3 bucke
8. H. Create an AWS Lambda function for each S3 PUT event to invoke the ETL job.

Correct Answer: D
https://docs.aws.amazon.com/prescriptive-guidance/latest/patterns/three-aws-glue-etl-job-types-for-converting-d

- (Exam Topic 3)
A company is implementing new data retention policies for all databases that run on Amazon RDS DB instances. The company must retain daily backups for a minimum period of 2 years. The backups must be consistent and restorable.
Which solution should a solutions architect recommend to meet these requirements?

1. A. Create a backup vault in AWS Backup to retain RDS backup
2. B. Create a new backup plan with a daily schedule and an expiration period of 2 years after creatio
3. C. Assign the RDS DB instances to the backup plan.
4. D. Configure a backup window for the RDS DB instances for daily snapshot
5. E. Assign a snapshot retention policy of 2 years to each RDS DB instanc
6. F. Use Amazon Data Lifecycle Manager (Amazon DLM) to schedule snapshot deletions.
7. G. Configure database transaction logs to be automatically backed up to Amazon CloudWatch Logs with an expiration period of 2 years.
8. H. Configure an AWS Database Migration Service (AWS DMS) replication tas
9. I. Deploy a replication instance, and configure a change data capture (CDC) task to stream database changes to Amazon S3 as the targe
10. J. Configure S3 Lifecycle policies to delete the snapshots after 2 years.

Correct Answer: A

- (Exam Topic 2)
A company is running a multi-tier web application on premises. The web application is containerized and runs on a number of Linux hosts connected to a PostgreSQL database that contains user records. The operational overhead of maintaining the infrastructure and capacity planning is limiting the company's growth. A solutions architect must improve the application's infrastructure.
Which combination of actions should the solutions architect take to accomplish this? (Choose two.)

1. A. Migrate the PostgreSQL database to Amazon Aurora
2. B. Migrate the web application to be hosted on Amazon EC2 instances.
3. C. Set up an Amazon CloudFront distribution for the web application content.
4. D. Set up Amazon ElastiCache between the web application and the PostgreSQL database.
5. E. Migrate the web application to be hosted on AWS Fargate with Amazon Elastic Container Service (Amazon ECS).

Correct Answer: AE