- (Exam Topic 2)
A company has a Windows-based application that must be migrated to AWS. The application requires the use of a shared Windows file system attached to multiple Amazon EC2 Windows instances that are deployed across multiple Availability Zones.
What should a solutions architect do to meet this requirement?

1. A. Configure AWS Storage Gateway in volume gateway mod
2. B. Mount the volume to each Windows instance.
3. C. Configure Amazon FSx for Windows File Serve
4. D. Mount the Amazon FSx file system to each Windows instance.
5. E. Configure a file system by using Amazon Elastic File System (Amazon EFS). Mount the EFS file system to each Windows instance.
6. F. Configure an Amazon Elastic Block Store (Amazon EBS) volume with the required siz
7. G. Attach each EC2 instance to the volum
8. H. Mount the file system within the volume to each Windows instance.

Correct Answer: B

- (Exam Topic 2)
An application runs on Amazon EC2 instances across multiple Availability Zones The instances run in an Amazon EC2 Auto Scaling group behind an Application Load Balancer The application performs best when the CPU utilization of the EC2 instances is at or near 40%.
What should a solutions architect do to maintain the desired performance across all instances in the group?

1. A. Use a simple scaling policy to dynamically scale the Auto Scaling group
2. B. Use a target tracking policy to dynamically scale the Auto Scaling group
3. C. Use an AWS Lambda function to update the desired Auto Scaling group capacity.
4. D. Use scheduled scaling actions to scale up and scale down the Auto Scaling group

Correct Answer: B
https://docs.aws.amazon.com/autoscaling/application/userguide/application-auto-scaling-target-tracking.html

- (Exam Topic 3)
A company is building a mobile app on AWS. The company wants to expand its reach to millions of users The company needs to build a platform so that authorized users can watch the company's content on their mobile devices
What should a solutions architect recommend to meet these requirements?

1. A. Publish content to a public Amazon S3 bucke
2. B. Use AWS Key Management Service (AWS KMS) keys to stream content.
3. C. Set up IPsec VPN between the mobile app and the AWS environment to stream content
4. D. Use Amazon CloudFront Provide signed URLs to stream content.
5. E. Set up AWS Client VPN between the mobile app and the AWS environment to stream content.

Correct Answer: A

- (Exam Topic 1)
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?

1. A. Create a gateway VPC endpoint to the S3 bucket.
2. B. Stream the logs to Amazon CloudWatch Log
3. C. Export the logs to the S3 bucket.
4. D. Create an instance profile on Amazon EC2 to allow S3 access.
5. E. Create an Amazon API Gateway API with a private link to access the S3 endpoint.

Correct Answer: A
VPC endpoint allows you to connect to AWS services using a private network instead of using the public Internet