SAA-C02 (Page 4)

A company is running an application on AWS to process weather sensor data that is stored in an Amazon S3 bucket.Three batch jobs run hourly to process the data in the S3 bucket for different purposes.The company wants to reduce the overall processing time by running the three applications in parallel using an event- based approach.What should a solutions architect do to meet these requirements?Read More →

A financial company hosts a web application on AWS.The application uses an Amazon API Gateway Regional API endpoint to give users the ability to retrieve current stock prices.The company’s security team has noticed an increase in the number of API requests.The security team is concerned that HTTP flood attacks might take the application offline.A solutions architect must design a solution to protect the application from this type of attack.Which solution meets these requirements with the LEAST operational overhead?Read More →

A company is planning to build a high performance computing (HPC) workload as a service solution that is hosted on AWS.A group of 16 Amazon EC2 Linux instances requires the lowest possible latency for node-to-node communication.The instances also need a shared block device volume for high-performing storage.Which solution will meet these requirements?Read More →

A company has a web application hosted over 10 Amazon EC2 instances with traffic directed by Amazon Route 53.The company occasionally experiences a timeout error when attempting to browse the application.The networking team finds that some DNS queries return IP addresses of unhealthy instances, resulting in the timeout error.What should a solutions architect implement to overcome these timeout errors?Read More →

A company has an AWS account used for software engineering.The AWS account has access to the company’s on-premises data center through a pair of AWSDirect Connect connections.All non-VPC traffic routes to the virtual private gateway.A development team recently created an AWS Lambda function through the console.The development team needs to allow the function to access a database that runs in a private subnet in the company’s data center.Which solution will meet these requirements?Read More →

A company hosts a serverless application on AWS.The application uses Amazon API Gateway, AWS Lambda, and an Amazon RDS for PostgreSQL database.The company notices an increase in application errors that result from database connection timeouts during times of peak traffic or unpredictable traffic.The company needs a solution that reduces the application failures with the least amount of change to the code.What should a solutions architect do to meet these requirements?Read More →

A company plans to host a survey website on AWS.The company anticipates an unpredictable amount of traffic.This traffic results in asynchronous updates to the database.The company wants to ensure that writes to the database hosted on AWS do not get dropped.How should the company write its application to handle these database requests?Read More →

A large media company hosts a web application on AWS.The company wants to start caching confidential media files so that users around the world will have reliable access to the files.The content is stored in Amazon S3 buckets.The company must deliver the content quickly, regardless of where the requests originate geographically.Which solution will meet these requirements?Read More →

A company wants to perform an online migration of active datasets from an on-premises NFS server to an Amazon S3 bucket that is named DOC-EXAMPLE-BUCKET.Data integrity verification is required during the transfer and at the end of the transfer.The data also must be encrypted.A solutions architect is using an AWS solution to migrate the data.Which solution meets these requirements?Read More →

A company has a legacy data processing application that runs on Amazon EC2 instances.Data is processed sequentially, but the order of results does not matter.The application uses a monolithic architecture.The only way that the company can scale the application to meet increased demand is to increase the size of the instances.The company’s developers have decided to rewrite the application to use a microservices architecture on Amazon Elastic Container Service (Amazon ECS).What should a solutions architect recommend for communication between the microservices?Read More →