Which of the following is an example of a good DynamoDB hash key schema for provisioned throughput efficiency?

• A.Game Type, where there are three possible game types
• B.User ID, where the application has many different users.
• C.Device ID, where one is by far more popular than all the others.
• D.Status Code where most status codes are the same

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An organization must store thousands of sensitive audio and video files in an Amazon S3 bucket.
Organizational security policies require that all data written to this bucket be encrypted.
How can compliance with this policy be ensured?

• A.Create an Amazon CloudWatch event rule to verify that all objects stored in the Amazon S3 bucket are encrypted.
• B.Use AWS Lambda to send notifications to the security team if unencrypted objects are pun in the bucket.
• C.Configure an Amazon S3 bucket policy to prevent the upload of objects that contain the x-amz-server-sideencryption header.
• D.Configure an Amazon S3 bucket policy to prevent the upload of objects that do not contain the x-amzserver-side-encryption header.

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Which of the following are valid arguments for an SNS Publish request? Choose 3 answers

• A.TopicAm
• B.Subject
• C.Destination
• D.Format
• E.Message
• F.Language

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A company that has multiple offices uses an Amazon DynamoDB table to store employee payroll information. Item attributes consist of employee names, office identifiers, and cumulative daily hours worked. The most frequently used query extracts a report of an alphabetical subset of employees for a specific office.
Which design of the DynamoDB table primary key will have the MINIMUM performance impact?

• A.Partition key on the office identifier and sort key on the employee name
• B.Partition key on the office identifier
• C.Partition key on the employee name and sort key on the office identifier
• D.Partition key on the employee name

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A developer used the BalehWnteltern API operation to insert items in an Amazon DynamoDB table OynamoDB returned a few items as unprocessed due to throttling The developer decides to retry the records on the unprocessed items What should the developer do to reprocess the records with the LEAST number of API calls'?

• A.Delete the items that were successfully processed, and reissue a new BatchWriteltem operation
• B.Delay the BatchWriteltem operation by using progressively longer wait times between retries, or exponential backoff
• C.Retry the BatchWriteltem operation immediately
• D.Perform the Putltem operation on the unprocessed items individually instead of using the BatchWriteltem operation

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