Architecting on AWS – Accelerator Quiz Questions and Answers

A company hosts a static website within an Amazon S3 bucket. A solutions architect needs to ensure that data can be recovered in case of accidental deletion. Which action will accomplish this?

Answer :
  • Enable Amazon S3 versioning

Which AWS Cloud best practice uses the elasticity and agility of cloud computing?

Answer :
  • Dynamically and predictively scale to meet usage demands

Which tool is used to forecast AWS spending?

Answer :
  • Cost Explorer

A company wants to migrate a MySQL database to AWS but does not have the budget for Database Administrators to handle routine tasks including provisioning, patching, and performing backups. Which AWS service will support this use case?

Answer :
  • Amazon RDS

A company is migrating a three-tier application to AWS. The application requires a MySQL database. In the past, the application users reported poor application performance when creating new entries. These performance issues were caused by users generating different real-time reports from the application during working hours. Which solution will improve the performance of the application when it is moved to AWS?

Answer :
  • Create an Amazon Aurora MySQL Multi-AZ DB cluster with multiple read replicas. Configure the application reader endpoint for reports

A company currently operates a web application backed by an Amazon RDS MySQL database. It has automated backups that are run daily and are not encrypted. A security audit requires future backups to be encrypted and unencrypted backups to be destroyed. The company will make at least one encrypted backup before destroying the old backups. What should be done to enable encryption for future backu

Answer :
  • Create a snapshot of the database. Copy it to an encrypted snapshot. Restore the database from the encrypted snapshot.

A company’s website is used to sell products to the public. The site runs on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB). There is also an Amazon CloudFront distribution, and AWS WAF is being used to protect against SQL injection attacks. The ALB is the origin of the CloudFront distribution. A recent review of security logs revealed an external malicious IP that needs to be blocked from accessing the website. What should a solutions architect do to protect the application?

Answer :
  • Modify the configuration of AWS WAF to add an IP match condition to block the malicious IP address.

A company is running an ecommerce application hosted in Europe. To decrease latency for users who access the website from other parts of the world, the company would like to cache frequently accessed static content closer to the users. Which AWS service

Answer :
  • Amazon CloudFront

Which Amazon VPC feature enables users to capture information about the IP traffic that reaches Amazon EC2 instances?

Answer :
  • VPC Flow Logs

An ecommerce company anticipates a huge increase in web traffic for two very popular upcoming shopping holidays. Which AWS service or feature can be configured to dynamically adjust resources to meet this change in demand?

Answer :
  • Amazon EC2 Auto Scaling