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NEW QUESTION # 430
A company has an Amazon S3 bucket that contains sensitive data. The data must be encrypted in transit and at rest. The company encrypts the data in the S3 bucket by using an AWS Key Management Service (AWS KMS) key. A developer needs to grant several other AWS accounts the permission to use the S3 GetObject operation to retrieve the data from the S3 bucket.
How can the developer enforce that all requests to retrieve the data provide encryption in transit?
Answer: D
Explanation:
Amazon S3 supports resource-based policies, which are JSON documents that specify the permissions for accessing S3 resources. A resource-based policy can be used to enforce encryption in transit by denying access to requests that do not use HTTPS. The condition key aws:SecureTransport can be used to check if the request was sent using SSL. If the value of this key is false, the request is denied; otherwise, the request is allowed. Reference: How do I use an S3 bucket policy to require requests to use Secure Socket Layer (SSL)?
NEW QUESTION # 431
A company has an Amazon S3 bucket containing premier content that it intends to make available to only paid subscribers of its website. The S3 bucket currently has default permissions of all objects being private to prevent inadvertent exposure of the premier content to non-paying website visitors.
How can the company Limit the ability to download a premier content file in the S3 Bucket to paid subscribers only?
Answer: B
Explanation:
This solution will limit the ability to download a premier content file in the S3 bucket to paid subscribers only because it uses a pre-signed object URL that grants temporary access to an S3 object for a specified duration.
The pre-signed object URL can be generated by the company's website when a paid subscriber requests a download, and can be verified by Amazon S3 using the signature in the URL. Option A is not optimal because it will allow anyone to download the content from the S3 bucket without verifying their subscription status. Option C is not optimal because it will require additional steps and costs to configure multi-factor authentication for accessing the S3 bucket objects, which may not be feasible or user-friendly for paid subscribers. Option D is not optimal because it will not prevent non-paying website visitors from accessing the S3 bucket objects, but only encrypt them at rest.
NEW QUESTION # 432
A developer has designed an application to store incoming data as JSON files in Amazon S3 objects. Custom business logic in an AWS Lambda function then transforms the objects, and the Lambda function loads the data into an Amazon DynamoDB table. Recently, the workload has experienced sudden and significant changes in traffic. The flow of data to the DynamoDB table is becoming throttled.
The developer needs to implement a solution to eliminate the throttling and load the data into the DynamoDB table more consistently.
Which solution will meet these requirements?
Answer: D
Explanation:
stored.
NEW QUESTION # 433
A company has an image storage web application that runs on AWS. The company hosts the application on Amazon EC2 instances in an Auto Scaling group. The Auto Scaling group acts as the target group for an Application Load Balancer (ALB) and uses an Amazon S3 bucket to store the images for sale.
The company wants to develop a feature to test system requests. The feature will direct requests to a separate target group that hosts a new beta version of the application.
Which solution will meet this requirement with the LEAST effort?
Answer: D
Explanation:
This solution will allow the company to direct requests to a separate target group that hosts the new beta version of the application without having to create a new ALB or use additional services such as Amazon Route 53 or Amazon CloudFront.
Option D adds additional complexity and effort compared to option A, which simply involves updating the ALB routing rule with a condition that looks for a cookie named version that has a value of beta and updating the test system code to use this cookie to test the beta version of the application.
NEW QUESTION # 434
A company has an application that uses an Amazon S3 bucket for object storage. A developer needs to configure in-transit encryption for the S3 bucket. All the S3 objects containing personal data needs to be encrypted at rest with AWS KMS keys, which can be rotated on demand.
Which combination of steps will meet these requirements? (Select TWO.)
Answer: B,E
Explanation:
Step-by-Step Breakdown:
Requirement Summary:
In-transit encryption (when data is moving between client and S3)
Encryption at rest using AWS KMS keys (which are rotatable on-demand)
Option A: Write an S3 bucket policy to allow only encrypted connections over HTTPS by using permissions boundary Incorrect: Permissions boundaries are for IAM policy control, not S3 bucket policies.
Also, encryption enforcement in-transit is not achieved through permissions boundaries.
Option B: Configure an S3 bucket policy to enable client-side encryption Incorrect: AWS does not enforce client-side encryption via S3 bucket policies.
Client-side encryption must be handled entirely by the application.
Also, KMS is for server-side encryption, not client-side.
Option C: Configure the application to encrypt the objects by using an AWS KMS customer managed key before uploading the objects Correct: This fulfills the requirement of encrypting objects at rest using a KMS CMK, which can be rotated.
You can specify the KMS key using the SSE-KMS option when putting an object.
Option D: Write an S3 bucket policy to allow only encrypted connections over HTTPS by using the aws:
SecureTransport condition
Correct: This enforces in-transit encryption, which ensures that only HTTPS connections are allowed.
This is the AWS-recommended way to enforce encryption in transit via bucket policy.
Option E: Configure S3 Block Public Access settings for the S3 bucket to allow only encrypted connections over HTTPS Incorrect: Block Public Access is used to prevent public exposure of the bucket.
It has nothing to do with encryption enforcement, whether in transit or at rest.
Using SSE-KMS: https://docs.aws.amazon.com/AmazonS3/latest/userguide/UsingKMSEncryption.html aws:SecureTransport condition in bucket policies: https://docs.aws.amazon.com/AmazonS3/latest/userguide
/amazon-s3-policy-keys.html
Server-side encryption with AWS KMS: https://docs.aws.amazon.com/AmazonS3/latest/userguide/serv-side- encryption.html
NEW QUESTION # 435
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