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Question 851 - SAA-C03 discussion

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A company needs to give a globally distributed development team secure access to the company's AWS resources in a way that complies with security policies.

The company currently uses an on-premises Active Directory for internal authentication. The company uses AWS Organizations to manage multiple AWS accounts that support multiple projects.

The company needs a solution to integrate with the existing infrastructure to provide centralized identity management and access control.

Which solution will meet these requirements with the LEAST operational overhead?

A.

Set up AWS Directory Service to create an AWS managed Microsoft Active Directory on AWS. Establish a trust relationship with the on-premises Active Directory. Use 1AM roles that are assigned to Active Directory groups to access AWS resources within the company's AWS accounts.

Answers
A.

Set up AWS Directory Service to create an AWS managed Microsoft Active Directory on AWS. Establish a trust relationship with the on-premises Active Directory. Use 1AM roles that are assigned to Active Directory groups to access AWS resources within the company's AWS accounts.

B.

Create an 1AM user for each developer. Manually manage permissions for each 1AM user based on each user's involvement with each project. Enforce multi-factor authentication (MFA) as an additional layer of security.

Answers
B.

Create an 1AM user for each developer. Manually manage permissions for each 1AM user based on each user's involvement with each project. Enforce multi-factor authentication (MFA) as an additional layer of security.

C.

Use AD Connector in AWS Directory Service to connect to the on-premises Active Directory. Integrate AD Connector with AWS 1AM Identity Center. Configure permissions sets to give each AD group access to specific AWS accounts and resources.

Answers
C.

Use AD Connector in AWS Directory Service to connect to the on-premises Active Directory. Integrate AD Connector with AWS 1AM Identity Center. Configure permissions sets to give each AD group access to specific AWS accounts and resources.

D.

Use Amazon Cognito to deploy an identity federation solution. Integrate the identity federation solution with the on-premises Active Directory. Use Amazon Cognito to provide access tokens for developers to access AWS accounts and resources.

Answers
D.

Use Amazon Cognito to deploy an identity federation solution. Integrate the identity federation solution with the on-premises Active Directory. Use Amazon Cognito to provide access tokens for developers to access AWS accounts and resources.

Suggested answer: C

Explanation:

Using AD Connector with AWS IAM Identity Center (formerly AWS Single Sign-On) allows the company to leverage its existing on-premises Active Directory for centralized identity management and access control. AD Connector acts as a proxy to the on-premises AD without requiring additional infrastructure or complex setup. This solution integrates seamlessly with AWS, allowing the development team to use their existing AD credentials to access AWS resources across multiple accounts managed by AWS Organizations. The permissions for AWS resources can be managed centrally through IAM Identity Center by configuring permission sets.

This solution provides:

Least operational overhead: AD Connector is fully managed, and IAM Identity Center allows centralized management of permissions across accounts.

Secure access: The solution complies with security policies by using existing AD authentication mechanisms.

Option A (AWS Managed AD): Setting up a fully managed AWS AD and establishing a trust is more complex and involves additional operational overhead.

Option B (IAM Users): Manually managing IAM users and permissions is less scalable and increases operational complexity.

Option D (Cognito): Amazon Cognito is more suited for user-facing applications rather than internal identity management for AWS resources.

AWS

Reference:

AD Connector with IAM Identity Center

AWS IAM Identity Center

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asked 27/10/2024
Nicholas Roy
43 questions
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