A development team is creating an event-based application that uses AWS Lambda functions. Events will be generated when files are added to an Amazon S3 bucket. The development team currently has Amazon Simple Notification Service (Amazon SNS) configured as the event target form Amazon S3.
What should a solutions architect do to process the events form Amazon S3 in a scalable way?
A. Create an SNS subscription that processes the event in Amazon Elastic Container Service (Amazon ECS) before the event runs in Lambda.A solutions architect is designing a mission-critical web application. It will consist of Amazon EC2 instances behind an Application Load Balancer and a relational database. The database should be highly available and fault tolerant. Which database implementations will meet these requirements? (Select TWO.)
A. Amazon RedshiftA company manages and runs a critical data management application in containers that are hosted on Amazon Elastic Container Service (Amazon ECS). The application has endpoints that are exposed through Application Load Balancers (ALBs). The application uses an Amazon Elastic File System (Amazon EFS) file system mount for persistent data storage. The company has configured Amazon ECS to use a minimal IAM instance role.
Which combination of actions should a solutions architect take to improve the overall security posture of the application? (Select TWO.)
A. Decompose the Amazon ECS IAM instance role. Use only ECS task roles.A company is developing a new machine learning model solution in AWS. The models are developed as independent microservices that fetch about 1 GB of model data from Amazon S3 at startup and load the data into memory. Users
access the models through an asynchronous API. Users can send a request or a batch of requests and specify where the results should be sent. The company provides models to hundreds of users. The usage patterns for the models are
irregular Some models could be unused for days or weeks Other models could receive batches of thousands of requests at a time .
Which solution meets these requirements?
A. The requests from the API are sent to an Application Load Balancer (ALB) Models are deployed as AWS Lambda functions invoked by the ALB.A company runs a legacy application with a single-tier architecture on an Amazon EC2 instance Disk I/O is low. with occasional small spikes during business hours. The company requires the instance to be stopped from 8 PM to 8 AM daily Which storage option is MOST appropriate for this workload?
A. Amazon EC2 instance storageA company runs an application in the AWS Cloud and uses Amazon DynamoDB as the database The company deploys Amazon EC2 instances to a private network to process data from the database The company uses two NAT instances to provide connectivity to DynamoDB. The company wants to retire the NAT instances A solutions architect must implement a solution that provides connectivity to DynamoDB and that does not require ongoing management. What is the MOST cost-effective solution that meets these requirements?
A. Create a gateway VPC endpoint to provide connectivity to DynamoDBA company runs multiple Amazon EC2 Linux instances in a VPC across two Availability Zones The instances host applications that use a hierarchical directory structure The applications need to read and write rapidly and concurrently to shared storage
What should a solutions architect do to meet these requirements?
A. Create an Amazon S3 bucket Allow access from all the EC2 instances in the VPCA rapidly growing ecommerce company is running its workloads in a single AWS Region. A solutions architect must create a disaster recovery (DR) strategy that includes a different AWS Region. The company wants its database to be up to date in the DR Region with the least possible latency. The remaining infrastructure in the DR Region needs to run at reduced capacity and must be able to scale up if necessary.
Which solution will meet these requirements with the LOWEST recovery time objective (RTO)?
A. Use an Amazon Aurora global database with a pilot light deployment.An application requires a development environment (DEV) and production environment (PROD) for several years. The DEV instances will run for 10 hours each day during normal business hours, while the PROD instances will run 24 hours each day. A solutions architect needs to determine a compute instance purchase strategy to minimize costs.
Which solution is the MOST cost-effective?
A. DEV with Spot Instances and PROD with On-Demand InstancesA solutions architect needs to design a low-latency solution for a static single-page application accessed by users utilizing a custom domain name. The solution must be serverless, encrypted in transit, and cost-effective. Which combination of AWS services and features should the solutions architect use? (Select TWO.)
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