SCS-C02 exam dumps: questions 501 to 503 of 503

Correct answer: B

• A. Incorrect.

  While enabling server-side encryption with AWS KMS is a best practice, it does not address the immediate issue of public access to the bucket.

• B. Correct.

  Updating the bucket policy to deny public access and enabling S3 Block Public Access directly resolves the security risk of the bucket being publicly accessible, aligning with the principles of the Security Pillar in the AWS Well-Architected Framework.

• C. Incorrect.

  Moving the S3 bucket to a private VPC endpoint is a valid way to provide additional network isolation, but it does not directly address the public bucket permissions issue.

• D. Incorrect.

  Enabling S3 Transfer Acceleration can enhance data transfer speed and security, but it is unrelated to the problem of public bucket access.

Correct answers: A, C, D, E

• A. Correct.

  Enabling Amazon S3 bucket logging and monitoring logs in CloudWatch aligns with the Security Pillar by providing visibility into data access and potential unauthorized actions.

• B. Incorrect.

  Allowing public read access to all objects contradicts security best practices, as it unnecessarily exposes sensitive data to the public.

• C. Correct.

  Enabling server-side encryption for objects ensures data at rest is protected, which is a critical security measure.

• D. Correct.

  Using IAM policies with least privilege ensures that users and applications only have the permissions they need, reducing the risk of accidental or malicious misuse.

• E. Correct.

  Using Amazon S3 Access Points with restricted access allows fine-grained access control for applications, aligning with the principle of least privilege and improving security.

Correct answers: A, C, D

• A. Correct.

  Using IAM groups to assign permissions is a best practice as it simplifies permission management and ensures that individual users are not directly assigned permissions, which reduces the risk of errors or misuse.

• B. Incorrect.

  Granting full administrative privileges violates the principle of least privilege and introduces unnecessary security risks by over-provisioning access.

• C. Correct.

  IAM roles are designed for secure and temporary access to AWS resources, and they eliminate the need for long-term credentials like access keys, which enhances security.

• D. Correct.

  Enabling multi-factor authentication (MFA) for root and privileged IAM users is a critical security measure to protect against unauthorized access, especially for high-privilege accounts.

• E. Incorrect.

  Attaching policies directly to individual IAM users is discouraged as it makes permission management complex and error-prone. Instead, policies should be attached to groups or roles for better scalability and maintainability.