A developer is creating a mobile application that will not require users to log in.
What is the MOST efficient method to grant users access to AWS resources'?

• A.Use an identity provider to securely authenticate with the application.
• B.Create an AWS Lambda function to create an 1AM user when a user accesses the application.
• C.Create credentials using AWS KMS and apply these credentials to users when using the application.
• D.Use Amazon Cognito to associate unauthenticated users with an IAM role that has limited access to resources.

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A company notices that credentials that the company uses to connect to an external software as a service (SaaS) vendor are stored in a configuration file as plaintext.
The developer needs to secure the API credentials and enforce automatic credentials rotation on a quarterly basis.
Which solution will meet these requirements MOST securely?

• A.Use AWS Key Management Service (AWS KMS) to encrypt the configuration file. Decrypt the configuration file when users make API calls to the SaaS vendor. Enable rotation.
• B.Retrieve temporary credentials from AWS Security Token Service (AWS STS) every 15 minutes. Use the temporary credentials when users make API calls to the SaaS vendor.
• C.Store the credentials in AWS Secrets Manager and enable rotation. Configure the API to have Secrets Manager access.
• D.Store the credentials in AWS Systems Manager Parameter Store and enable rotation. Retrieve the credentials when users make API calls to the SaaS vendor.

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An online food company provides an Amazon API Gateway HTTP API 1o receive orders for partners. The API is integrated with an AWS Lambda function. The Lambda function stores the orders in an Amazon DynamoDB table.
The company expects to onboard additional partners Some to me panthers require additional Lambda function to receive orders. The company has created an Amazon S3 bucket. The company needs 10 store all orders and updates m the S3 bucket for future analysis How can the developer ensure that an orders and updates are stored to Amazon S3 with the LEAST development effort?

• A.Create a new Lambda function and a new API Gateway API endpoint. Configure the new Lambda function to write to the S3 bucket. Modify the original Lambda function to post updates to the new API endpoint.
• B.Use Amazon Kinesis Data Streams to create a new data stream. Modify the Lambda function to publish orders to the oats stream Configure in data stream to write to the S3 bucket.
• C.Enable DynamoDB Streams on me DynamoOB table. Create a new lambda function. Associate the stream's Amazon Resource Name (ARN) with the Lambda Function Configure the Lambda function to write to the S3 bucket as records appear in the table's stream.
• D.Modify the Lambda function to punish to a new Amazon. Simple Lambda function receives orders.Subscribe a new Lambda function to the topic. Configure the new Lambda function to write to the S3 bucket as updates come through the topic.

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A company is offering APIs as a service over the internet to provide unauthenticated read access to statistical information that is updated daily. The company uses Amazon API Gateway and AWS Lambda to develop the APIs. The service has become popular, and the company wants to enhance the responsiveness of the APIs.
Which action can help the company achieve this goal?

• A.Enable API caching in API Gateway.
• B.Configure API Gateway to use an interface VPC endpoint.
• C.Enable cross-origin resource sharing (CORS) for the APIs.
• D.Configure usage plans and API keys in API Gateway.

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An application uses Lambda functions to extract metadata from files uploaded to an S3 bucket; the metadata is stored in Amazon DynamoDB. The application starts behaving unexpectedly, and the developer wants to examine the logs of the Lambda function code for errors.
Based on this system configuration, where would the developer find the logs?

• A.Amazon CloudWatch
• B.Amazon DynamoDB
• C.AWS CloudTrail
• D.Amazon S3

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