An application is running on a cluster of Amazon EC2 instance. While trying to read objects stored within a single Amazon S3 bucket that are encrypted with server-side encryption with AWS KMS managed keys (SSE-KMS), the application receives the following error.
Service : AWSKMS: Status Code: 400: Code : ThrottlingException
Which combination of steps should be taken to prevent this failure? (Select TWO.)

• A.Import a customer master key (CMK) with a larger key size.
• B.Perform error retries with exponential backoff in the application code.
• C.Contact AWS Support to request an AWS KMS rate limit increase.
• D.Contact AWS Support to request a S3 rate limit increase.
• E.Use more than one customer master key (CMK) to encrypt S3 data

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A Development team wants to instrument their code to provide more detailed information to AWS X-Ray than simple outgoing and incoming requests. This will generate large amounts of data, so the Development team wants to implement indexing so they can filter the data.
What should the Development team do to achieve this?

• A.Add annotations to the segment document and the code
• B.Add metadata to the segment document and the code
• C.Configure the necessary X-Ray environment variables
• D.Install required plugins for the appropriate AWS SDK

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A Developer must trigger an AWS Lambda function based on the item lifecycle activity in an Amazon DynamoDB table.
How can the Developer create the solution?

• A.Enable a DynamoDB stream that publishes an Amazon SNS message. Trigger the Lambda function synchronously from the SNS message.
• B.Enable a DynamoDB stream that publishes an SNS message. Trigger the Lambda function asynchronously from the SNS message.
• C.Enable a DynamoDB stream, and trigger the Lambda function synchronously from the stream.
• D.Enable a DynamoDB stream, and trigger the Lambda function asynchronously from the stream.

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A Developer is using AWS CLI, but when running list commands on a large number of resources, it is timing out.
What can be done to avoid this time-out?

• A.Use shorthand syntax
• B.Use pagination
• C.Use parameter values
• D.Use quoting strings

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A company has an application that uses Amazon Cognito user pools as an identity provider. The company must secure access to user records. The company I up multi-factor authentication (MFA). The company also wants to send a login activity notification by email every time a user logs in.
What is the MOST operationally efficient solution that meets this requirement?

• A.Configure Amazon Cognito to stream all logs to Amazon Kinesis Data Firehose. Create an AWS Lambda function to process the streamed logs and it send the email notification based on the login status of each user.
• B.Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Create an Amazon CloudWatch Logs log subscription filter to invoke the function based on the login status.
• C.Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Add an Amazon API Gateway to invoke the function. Call the API from the client side when login confirmation is received.
• D.Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Add an Amazon Cognito post authentication Lambda trigger for the function.

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