A security engineer is configuring AWS. Config for an AWS account that uses a new 1AM entity When the security engineer tries to configure AWS. Config rules and automatic remediation options, errors occur in the AWS CloudTrail logs the security engineer sees the following error message "Insufficient delivery policy to s3 bucket DOC-EXAMPLE-BUCKET, unable to write to bucket provided s3 key prefix is 'null'."
Which combination of steps should the security engineer take to remediate this issue? (Select TWO.)
[Logging and Monitoring]
A company has an application that needs to read objects from an Amazon S3 bucket. The company configures an IAM policy and attaches the policy to an IAM role that the application uses. When the application tries to read objects from the S3 bucket, the application receives AccessDenied errors. A security engineer must resolve this problem without decreasing the security of the S3 bucket or the application.
[Identity and Access Management]
A company wants to establish separate IAM Key Management Service (IAM KMS) keys to use for different IAM services. The company'ssecurityengineer created the following key policy lo allow the infrastructure deployment team to create encrypted Amazon Elastic Block Store (Amazon EBS) volumes by assuming the InfrastructureDeployment IAM role:

The security engineer recently discovered that IAM roles other than the InfrastructureDeployment role used this key (or other services. Which change to the policy should the security engineer make to resolve these issues?
[Logging and Monitoring]
A web application gives users the ability to log in verify their membership's validity and browse artifacts that are stored in an Amazon S3 bucket. When a user attempts to download an object, the application must verify the permission to access the object and allow the user to download the object from a custom domain name such as example com.
What is the MOST secure way for a security engineer to implement this functionality?
[Data Protection]
A company has retail stores The company is designing a solution to store scanned copies of customer receipts on Amazon S3 Files will be between 100 KB and 5 MB in PDF format Each retail store must have a unique encryption key Each object must be encrypted with a unique key
Which solution will meet these requirements?