AWS Certified Solutions Architect – Professional — Question 257

A company runs a popular public-facing ecommerce website. Its user base is growing quickly from a local market to a national market. The website is hosted in an on-premises data center with web servers and a MySQL database. The company wants to migrate its workload to AWS. A solutions architect needs to create a solution to:
✑ Improve security
✑ Improve reliability
✑ Improve availability
✑ Reduce latency
✑ Reduce maintenance
Which combination of steps should the solutions architect take to meet these requirements? (Choose three.)

Answer options

• A. Use Amazon EC2 instances in two Availability Zones for the web servers in an Auto Scaling group behind an Application Load Balancer.
• B. Migrate the database to a Multi-AZ Amazon Aurora MySQL DB cluster.
• C. Use Amazon EC2 instances in two Availability Zones to host a highly available MySQL database cluster.
• D. Host static website content in Amazon S3. Use S3 Transfer Acceleration to reduce latency while serving webpages. Use AWS WAF to improve website security.
• E. Host static website content in Amazon S3. Use Amazon CloudFront to reduce latency while serving webpages. Use AWS WAF to improve website security.
• F. Migrate the database to a single-AZ Amazon RDS for MySQL DB instance.

Correct answer: A, B, E

Explanation

The correct steps include using Amazon EC2 instances in two Availability Zones with an Auto Scaling group and Application Load Balancer to improve reliability and availability, migrating the database to a Multi-AZ Amazon Aurora MySQL DB cluster for enhanced reliability, and utilizing Amazon CloudFront to reduce latency while serving static content and improving security with AWS WAF. Options C and F do not meet the requirements for reducing maintenance and enhancing reliability effectively.