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    PracticeAWS Solutions Architect Professional (SAP-C02)AWS Solutions Architect Professional SAP-C02 Practice Exam 2Question 68
    Medium1 markMultiple Choice
    Domain 1.2: Security ControlsVPC EndpointS3Security

    AWS SAP-C02 · Question 68 · Domain 1.2: Security Controls

    An architect is designing a secure architecture for a financial application. The application runs on EC2 instances in a private subnet and needs to access Amazon S3 to store sensitive documents. The security team mandates that this traffic must not traverse the public internet and must be restricted to a specific S3 bucket. How should this be implemented?

    Answer options:

    A.

    Use a NAT Gateway and configure the S3 bucket policy to allow the NAT Gateway's IP.

    B.

    Create a VPC Gateway Endpoint for S3 and attach an endpoint policy that allows access only to the specific bucket.

    C.

    Create a VPC Interface Endpoint (PrivateLink) for S3 and use security groups to restrict access.

    D.

    Establish an AWS Direct Connect connection to S3.

    How to approach this question

    Use VPC Endpoints for private AWS service access.

    Full Answer

    B.Create a VPC Gateway Endpoint for S3 and attach an endpoint policy that allows access only to the specific bucket.✓ Correct
    A VPC Gateway Endpoint for S3 ensures traffic does not leave the Amazon network. An Endpoint Policy (IAM resource policy attached to the endpoint) can restrict access so that instances can only communicate with the specified S3 bucket.

    Common mistakes

    Using a NAT Gateway, which uses public IP space.
    Question 67All questionsQuestion 69

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