An e-commerce site allows returning users to log in to display customized web pages. The workflow is shown in the image below:

An application is running on EC2 instances. Amazon RDS is used for the database that stores user accounts and preferences. The website freezes or is slow to load while waiting for the login step to complete. The remaining components of the site are well-optimized.
Which of the following techniques will resolve this issue? (Select Two.)

• A.Implement the user login page as an asynchronous Lambda function.
• B.Use Amazon ElastiCache for MemCached to cache user data.
• C.Use Amazon Application Load Balancer to load balance the traffic to the website.
• D.Call the database asynchronously so the code can continue executing.
• E.Batch login requests from hundreds of users together as a single read request to the database.

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A developer must allow guest users without logins to access an Amazon Cognito-enabled site to view files stored within an Amazon S3 bucket How should the developer meet these requirements'?

• A.Create a new user pool disable authentication access, and grant access to AWS resources
• B.Create a blank user ID in a user pool, add to the user group, and grant access to AWS resources
• C.Create a new identity pool, enable access to unauthenticated identities and grant access to AWS resources
• D.Create a new user pool, enable access to unauthenticated identities, and grant access to AWS resources.

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A Development team would like to migrate their existing application code from a GitHub repository to AWS CodeCommit.
What needs to be created before they can migrate a cloned repository to CodeCommit over HTTPS?

• A.A GitHub secure authentication token
• B.A public and private SSH key file
• C.A set of Git credentials generated from IAM
• D.An Amazon EC2 IAM role with CodeCommit permissions

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When developing an AWS Lambda function that processes Amazon Kinesis Data Streams, Administrators within the company must receive a notice that includes the processed data.
How should the Developer write the function to send processed data to the Administrators?

• A.Separate the Lambda handler from the core logic
• B.Use Amazon CloudWatch Events to send the processed data
• C.Publish the processed data to an Amazon SNS topic
• D.Push the processed data to Amazon SQS

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An application running on Amazon EC2 instances must access objects within an Amaon S3 busket that are encrypted using server-side encryption using AWS KMS encryption keys (SSE-KMS). The application must have access to the customer master key (CMK) to decrypt the objects.
Which combination of steps will grant the application access? (Select TWO.)

• A.Write an S3 bucket policy that grants the bucket access to the key.
• B.Grant access to the key in the IAM EC2 role attached to the application's EC2 instances.
• C.Write a key policy that enables IAM policies to grant access to the key.
• D.Grant access to the key in the S3 bucket's ACL
• E.Create a Systems Manager parameter that exposes the KMS key to the EC2 instances.

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