Solutions Architect Professional (Page 28)

A company is migrating its three-tier web application from on-premises to the AWS Cloud.The company has the following requirements for the migration process:✑ Ingest machine images from the on-premises environment.✑ Synchronize changes from the on-premises environment to the AWS environment until the production cutover.✑ Minimize downtime when executing the production cutover.✑ Migrate the virtual machines’ root volumes and data volumes.Which solution will satisfy these requirements with minimal operational overhead?Read More →

A company needs to improve the reliability of its ticketing application.The application runs on an Amazon Elastic Container Service (Amazon ECS) cluster.The company uses Amazon CloudFront to serve the application.A single ECS service of the ECS cluster is the CloudFront distribution’s origin.The application allows only a specific number of active users to enter a ticket purchasing flow.These users are identified by an encrypted attribute in their JSON Web Token (JWT).All other users are redirected to a waiting room module until there is available capacity for purchasing.The application is experiencing high loads.The waiting room module is working as designed, but load on the waiting room is disrupting the applications availability.This disruption is negatively affecting the application’s ticket sale transactions.Which solution will provide the MOST reliability for ticket sale transactions during periods of high load?Read More →

A company is currently running a production workload on AWS that is very I/O intensive.Its workload consists of a single tier with 10 c4.8xlarge instances, each with 2 TB gp2 volumes.The number of processing jobs has recently increased, and latency has increased as well.The team realizes that they are constrained on the IOPS.For the application to perform efficiently, they need to increase the IOPS by 3,000 for each of the instances.Which of the following designs will meet the performance goal MOST cost effectively?Read More →

A company runs a web application on a single Amazon EC2 instance.End users experience slow application performance during times of peak usage, when CPU utilization is consistently more than 95%.A user data script installs required custom packages on the EC2 instance.The process of launching the instance takes several minutes.The company is creating an Auto Scaling group that has mixed instance groups, varied CPUs, and a maximum capacity limit.The Auto Scaling group will use a launch template for various configuration options.The company needs to decrease application latency when new instances are launched during auto scaling.Which solution will meet these requirements?Read More →

A company has a media metadata extraction pipeline running on AWS.Notifications containing a reference to a file in Amazon S3 are sent to an Amazon SimpleNotification Service (Amazon SNS) topic.The pipeline consists of a number of AWS Lambda functions that are subscribed to the SNS topic.The Lambda functions extract the S3 tile and write metadata to an Amazon RDS PostgreSQL DB instance.Users report that updates to the metadata are sometimes slow to appear or are lost.During these times, the CPU utilization on the database is high and the number of failed Lambda invocations increases.Which combination of actions should a solutions architect take to help resolve this issue? (Choose two.)Read More →

A company needs to migrate its on-premises database fleet to Amazon RDS.The company is currently using a mixture of Microsoft SQL Server, MySQL, and Oracle databases.Some of the databases have custom schemas and stored procedures.Which combination of steps should the company take for the migration? (Choose two.)Read More →

A company operates a group of imaging satellites.The satellites stream data to one of the company’s ground stations where processing creates about 5 GB of images per minute.This data is added to network-attached storage, where 2 PB of data are already stored.The company runs a website that allows its customers to access and purchase the images over the Internet.This website is also running in the ground station.Usage analysis shows that customers are most likely to access images that have been captured in the last 24 hours.The company would like to migrate the image storage and distribution system to AWS to reduce costs and increase the number of customers that can be served.Which AWS architecture and migration strategy will meet these requirements?Read More →

A company in the United States (US) has acquired a company in Europe.Both companies use the AWS Cloud.The US company has built a new application with a microservices architecture.The US company is hosting the application across five VPCs in the us-east-2 Region.The application must be able to access resources in one VPC in the eu-west-1 Region.However, the application must not be able to access any other VPCs.The VPCs in both Regions have no overlapping CIDR ranges.All accounts are already consolidated in one organization in AWS Organizations.Which solution will meet these requirements MOST cost-effectively?Read More →

A company prefers to limit running Amazon EC2 instances to those that were launched from AMIs pre-approved by the Information Security department.TheDevelopment team has an agile continuous integration and deployment process that cannot be stalled by the solution.Which method enforces the required controls with the LEAST impact on the development process? (Choose two.)Read More →

A company needs to optimize the cost of an AWS environment that contains multiple accounts in an organization in AWS Organizations.The company conducted cost optimization activities 3 years ago and purchased Amazon EC2 Standard Reserved Instances that recently expired.The company needs EC2 instances for 3 more years.Additionally, the company has deployed a new serverless workload.Which strategy will provide the company with the MOST cost savings?Read More →