A developer has written a serverless application and wants to deploy it to AWS Lambda to leverage the function's multi-threaded execution to improve performance. Which action should the developer take to achieve these requirements?
A. increase the Lambda function execution timeout
B. Use unreserved account concurrency.
C. Increase the memory allocation of the Lambda function
D. Set the reserved concurrency of the Lambda function to a higher number
A developer wants to ensure the Amazon EC2 instances in AWS Elastic Beanstalk execute a certain set of commands before the application is ready to use. Which Elastic Beanstalk feature will allow the developer to accomplish this?
A. Rolling update
B. Immutable update
C. User data
D. ebextensions
A developer is implementing authentication and authorization for an application. The developer needs to ensure that the user credentials are never exposed. Which approach should the developer take to meet this requirement?
A. Store the user credentials In Amazon DynamoDB Build an AWS Lambda function to validate the credentials and authorize users
B. Deploy a custom authentication and authorization API on an Amazon EC2 instance. Store the user credentials in Amazon S3 and encrypt the credentials using Amazon S3 server-side encryption.
C. Use Amazon Cognito to configure a user pool, and use the Cognito API to authenticate and authorize the user
D. Store the user credentials In Amazon RDS Enable the encryption option for the Amazon RDS D8 instances Build an API using AWS Lambda to validate the credentials and authorize users
A company has a legacy application that was migrated to a fleet of Amazon EC2 instances. The application stores data in a MySQL database that is currently installed on a single EC2 instance The company has decided to migrate the database from the EC2 instance to MySQL on Amazon RDS.
What should the developer do to update the application to support data storage in Amazon RDS?
A. Update the database connection parameters in the application to point to the new RDS instance
B. Add a script to the EC2 instance that implements an AWS SDK for requesting database credentials.
C. Create a new EC2 instance with an IAM role that allows access to the new RDS database
D. Create an AWS Lambda function that will route traffic from the EC2 instance to the RDS database.
A company s website runs on an Amazon EC2 instance and uses Auto Scale the environment during peak times Website users across the world are experiencing high to sea latency due to static content on the EC2 instance, even during non-peak hours.
Which combination of steps will resolve the latency issue? (Select TWO )
A. Double the Auto Scaling group's maximum number of servers.
B. Host the application code on AWS Lambda
C. Scale vertically by resizing the EC2 instances
D. Create an Amazon CloudFront distribution to cache the static content
E. Store the application's static content in Amazon S3
A company has implemented AWS CodePipeline to automate its release pipelines The development team is writing an AWS Lambda function that will send notifications for state changes of each of the actions in the stages.
Which steps must be taken to associate the Lambda function with the event source?
A. Create a trigger that invokes the Lambda function from the Lambda console by selecting CodePipeline as the event source
B. Create an event trigger and specify the Lambda function from the CodePipeline console.
C. Create an Amazon CloudWatch alarm that monitors status changes in CodePipeline and triggers the Lambda function
D. Create an Amazon CloudWatch Events rule that uses CodePipeline as an event source.
A company is developing an application that will be accessed through the Amazon API Gateway REST API Registered users should be the only ones who can access certain resources of this API. The token being used should expire automatically and needs to be refreshed periodically.
How can a developer meet these requirements'?
A. Create an Amazon Cognito identity pool, configure the Amazon Cognito Authorizer in API Gateway, and use the temporary credentials generated by the identity pool
B. Create and maintain a database record for each user with a corresponding token and use an AWS Lambda authorizer m API Gateway
C. Create an Amazon Cognito user pool, configure the Cognito Authorizer in API Gateway, and use the identity or access token
D. Create an IAM user for each API user, attach an invoke permissions policy to the API. and use an IAM authorizer in API Gateway.
A developer is storing sensitive data generated by an application in Amazon S3. The developer wants to encrypt the data at rest. A company policy requires an audit trail of when the master key was used and by whom.
Which encryption option will meet these requirements?
A. Server-side encryption with Amazon S3 managed keys (SSE-S3)
B. Server-side encryption with AWS KMS managed keys (SSE-KMS)
C. Server-side encryption with customer-provided keys (SSE-C)
D. Server-side encryption with self-managed keys
A developer is writing an application in AWS Lambda To simplify testing and deployments, the developer needs the database connection string to be easily changed without modifying the Lambda code.
How can this requirement be met?
A. Store the connection string as a secret in AWS Secrets Manager
B. Store the connection string in an IAM user account.
C. Store the connection stnng in AWS KMS
D. Store the connection stnng as a Lambda layer.
A developer is working on an AWS Lambda function that accesses Amazon DynamoDB The Lambda function must retrieve an item and update some of its attributes. or create the item if it does not exist The Lambda function has access to the primary key.
Which IAM permissions should the developer request for the Lambda function to achieve this functionality'?
A. dynaracdb:DeleteItem dynamodb:GetItem dynamcdb:Putltem
B. dynamodb:Updateltem dynamcdb:Getltem dynamodb:DescribeTable
C. dynamcdb:GetRecords dynamcdb:Putltem dynamodb:updateTable
D. dynamodb:Updateltem dynamodb:Getltem dynamodb:Putltem
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