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Question 743 - SAA-C03 discussion

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A development team uses multiple AWS accounts for its development, staging, and production environments. Team members have been launching large Amazon EC2 instances that are underutilized. A solutions architect must prevent large instances from being launched in all accounts.

How can the solutions architect meet this requirement with the LEAST operational overhead?

A.
Update the 1AM policies to deny the launch of large EC2 instances. Apply the policies to all users.
Answers
A.
Update the 1AM policies to deny the launch of large EC2 instances. Apply the policies to all users.
B.
Define a resource in AWS Resource Access Manager that prevents the launch of large EC2 instances.
Answers
B.
Define a resource in AWS Resource Access Manager that prevents the launch of large EC2 instances.
C.
Create an (AM role in each account that denies the launch of large EC2 instances. Grant the developers 1AM group access to the role.
Answers
C.
Create an (AM role in each account that denies the launch of large EC2 instances. Grant the developers 1AM group access to the role.
D.
Create an organization in AWS Organizations in the management account with the default policy. Create a service control policy (SCP) that denies the launch of large EC2 Instances, and apply it to the AWS accounts.
Answers
D.
Create an organization in AWS Organizations in the management account with the default policy. Create a service control policy (SCP) that denies the launch of large EC2 Instances, and apply it to the AWS accounts.
Suggested answer: D

Explanation:

Understanding the Requirement: The development team needs to prevent the launch of large EC2 instances across multiple AWS accounts used for development, staging, and production environments.

Analysis of Options:

IAM Policies: Would need to be applied individually to each user in every account, leading to significant operational overhead.

AWS Resource Access Manager: Used for sharing resources, not for enforcing restrictions on resource creation.

IAM Role in Each Account: Requires creating and managing roles in each account, leading to higher operational overhead compared to using a centralized approach.

Service Control Policy (SCP) with AWS Organizations: Provides a centralized way to enforce policies across multiple AWS accounts, ensuring that large EC2 instances cannot be launched in any account.

Best Solution:

Service Control Policy (SCP) with AWS Organizations: This solution offers the least operational overhead by allowing centralized management and enforcement of policies across all accounts, effectively preventing the launch of large EC2 instances.

AWS Organizations and SCPs

asked 16/09/2024
John Johnson
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