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    PracticeAWS Solutions Architect Associate (SAA-C03)AWS SAA-C03 Practice Exam 1Question 09
    Hard1 markMultiple Choice
    Domain 1.2: Secure WorkloadsDomain 1SecurityVPC EndpointS3

    AWS SAA-C03 · Question 09 · Domain 1.2: Secure Workloads

    A company has a strict compliance requirement that Amazon EC2 instances in a private subnet must only be able to access a specific Amazon S3 bucket. The instances must not have access to the internet. How can a solutions architect meet this requirement MOST securely?

    Answer options:

    A.

    Deploy a NAT gateway in a public subnet. Configure the S3 bucket policy to only allow traffic from the NAT gateway's Elastic IP.

    B.

    Create a VPC gateway endpoint for S3. Attach an endpoint policy that allows access only to the specific S3 bucket.

    C.

    Create a VPC interface endpoint for S3. Configure the security group on the endpoint to only allow traffic to the specific S3 bucket.

    D.

    Set up an AWS Site-to-Site VPN to route traffic to the S3 bucket through the corporate network.

    How to approach this question

    Identify the need for private S3 access (VPC Endpoint) and the need to restrict access to a specific bucket (Endpoint Policy).

    Full Answer

    B.Create a VPC gateway endpoint for S3. Attach an endpoint policy that allows access only to the specific S3 bucket.✓ Correct
    A VPC gateway endpoint provides reliable connectivity to Amazon S3 without requiring an internet gateway or a NAT device. To restrict access to a specific bucket, you attach a VPC endpoint policy to the endpoint that explicitly allows access only to the required bucket ARN.

    Common mistakes

    Choosing NAT Gateway, which exposes the subnet to the internet.
    Question 08All questionsQuestion 10

    Practice the full AWS SAA-C03 Practice Exam 1

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