AWS Certified Solutions Architect Associate(SAA C03)

The AWS Certified Solutions Architect Associate(SAA C03) were last updated on today.

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Topic 1 - Exam A

Question #26 Topic 1

A company is migrating its on-premises PostgreSQL database to Amazon Aurora PostgreSQL. The on-premises database must remain online and accessible during the migration. The Aurora database must remain synchronized with the on-premises database. Which combination of actions must a solutions architect take to meet these requirements? (Choose two.)

A Create an ongoing replication task.
B Create a database backup of the on-premises database.
C Create an AWS Database Migration Service (AWS DMS) replication server.
D Convert the database schema by using the AWS Schema Conversion Tool (AWS SCT).
E Create an Amazon EventBridge (Amazon CloudWatch Events) rule to monitor the database synchronization.

Suggested Answer: AC
NOTE: Answer is :A, C
Explanation :The AWS Database Migration Service (AWS DMS) helps migrate databases to AWS while keeping the source database in operation during the migration. This process minimizes downtime and allows continuous data replication. DMS is used in combination with ongoing replication tasks to keep the databases synchronised.

Question #27 Topic 1

A company runs a web-based portal that provides users with global breaking news, local alerts, and weather updates. The portal delivers each user a personalized view by using mixture of static and dynamic content. Content is served over HTTPS through an API server running on an Amazon EC2 instance behind an Application Load Balancer (ALB). The company wants the portal to provide this content to its users across the world as quickly as possible. How should a solutions architect design the application to ensure the LEAST amount of latency for all users?

A Deploy the application stack in a single AWS Region. Use Amazon CloudFront to serve all static and dynamic content by specifying the ALB as an origin.
B Deploy the application stack in two AWS Regions. Use an Amazon Route 53 latency routing policy to serve all content from the ALB in the closest Region.
C Deploy the application stack in a single AWS Region. Use Amazon CloudFront to serve the static content. Serve the dynamic content directly from the ALB.
D Deploy the application stack in two AWS Regions. Use an Amazon Route 53 geolocation routing policy to serve all content from the ALB in the closest Region.

Suggested Answer: A
NOTE: Answer is :A
Explanation :Amazon CloudFront is a built-in content delivery network (CDN) of AWS, which helps to speed up distribution of static and dynamic web content such as .html, .css, .js, and image files to users all over the world. It works by copying the content of a website to a network of servers spread around the world, and serving content to users from the nearest server. This minimizes the latency, giving users the fastest load times and best response times possible, which matches the design needs given in the question.

Question #28 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?

A Create an Auto Scaling group so that EC2 instances can scale out. 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.
B 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.
C Create an Amazon EventBridge (Amazon CloudWatch Events) rule for each SaaS source to send output data. Configure the S3 bucket as the rule's target. Create a second EventBridge (Cloud Watch Events) rule to send events when the upload to the S3 bucket is complete. Configure an Amazon Simple Notification Service (Amazon SNS) topic as the second rule's target.
D Create a Docker container to use instead of an EC2 instance. 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.

Suggested Answer: B
NOTE: Answer is :B
Explanation :Amazon AppFlow provides a secure, scalable, and efficient way to transfer data between SaaS applications and AWS services, minimizing operational overhead. It also integrates with S3 event notifications and SNS topics for completing notifications, meeting all the requirements without causing too much burden on operations.

Question #29 Topic 1

A company is running a popular social media website. The website gives users the ability to upload images to share with other users. The company wants to make sure that the images do not contain inappropriate content. The company needs a solution that minimizes development effort. What should a solutions architect do to meet these requirements?

A Use Amazon Comprehend to detect inappropriate content. Use human review for low-confidence predictions.
B Use Amazon Rekognition to detect inappropriate content. Use human review for low-confidence predictions.
C Use Amazon SageMaker to detect inappropriate content. Use ground truth to label low-confidence predictions.
D Use AWS Fargate to deploy a custom machine learning model to detect inappropriate content. Use ground truth to label low-confidence predictions.

Suggested Answer: B
NOTE: Answer is :B
Explanation :Amazon Rekognition effectively analyzes images and can automatically identify inappropriate content, minimizing the development effort. While Amazon Comprehend is a NLP service more suited for analysing text, not images. Amazon SageMaker and AWS Fargate would involve more development and training to be used for this purpose.

Question #30 Topic 1

A company is deploying a new public web application to AWS. The application will run behind an Application Load Balancer (ALB). The application needs to be encrypted at the edge with an SSL/TLS certificate that is issued by an external certificate authority (CA). The certificate must be rotated each year before the certificate expires. What should a solutions architect do to meet these requirements?

A Use AWS Certificate Manager (ACM) to issue an SSL/TLS certificate. Apply the certificate to the ALB. Use the managed renewal feature to automatically rotate the certificate.
B Use AWS Certificate Manager (ACM) to issue an SSL/TLS certificate. Import the key material from the certificate. Apply the certificate to the ALUse the managed renewal feature to automatically rotate the certificate.
C Use AWS Certificate Manager (ACM) Private Certificate Authority to issue an SSL/TLS certificate from the root CA. Apply the certificate to the ALB. Use the managed renewal feature to automatically rotate the certificate.
D Use AWS Certificate Manager (ACM) to import an SSL/TLS certificate. Apply the certificate to the ALB. Use Amazon EventBridge (Amazon CloudWatch Events) to send a notification when the certificate is nearing expiration. Rotate the certificate manually.

Suggested Answer: D
NOTE: -