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Question 463 - SAP-C02 discussion

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A company uses AWS Organizations to manage its development environment. Each development team at the company has its own AWS account Each account has a single VPC and CIDR blocks that do not overlap.

The company has an Amazon Aurora DB cluster in a shared services account All the development teams need to work with live data from the DB cluster

Which solution will provide the required connectivity to the DB cluster with the LEAST operational overhead?

A.
Create an AWS Resource Access Manager (AWS RAM) resource share tor the DB cluster. Share the DB cluster with all the development accounts
Answers
A.
Create an AWS Resource Access Manager (AWS RAM) resource share tor the DB cluster. Share the DB cluster with all the development accounts
B.
Create a transit gateway in the shared services account Create an AWS Resource Access Manager (AWS RAM) resource share for the transit gateway Share the transit gateway with all the development accounts Instruct the developers to accept the resource share Configure networking.
Answers
B.
Create a transit gateway in the shared services account Create an AWS Resource Access Manager (AWS RAM) resource share for the transit gateway Share the transit gateway with all the development accounts Instruct the developers to accept the resource share Configure networking.
C.
Create an Application Load Balancer (ALB) that points to the IP address of the DB cluster Create an AWS PrivateLink endpoint service that uses the ALB Add permissions to allow each development account to connect to the endpoint service
Answers
C.
Create an Application Load Balancer (ALB) that points to the IP address of the DB cluster Create an AWS PrivateLink endpoint service that uses the ALB Add permissions to allow each development account to connect to the endpoint service
D.
Create an AWS Site-to-Site VPN connection in the shared services account Configure networking Use AWS Marketplace VPN software in each development account to connect to the Site-to-Site VPN connection
Answers
D.
Create an AWS Site-to-Site VPN connection in the shared services account Configure networking Use AWS Marketplace VPN software in each development account to connect to the Site-to-Site VPN connection
Suggested answer: B

Explanation:

Create a Transit Gateway:

In the shared services account, create a new AWS Transit Gateway. This serves as a central hub to connect multiple VPCs, simplifying the network topology and management.

Configure Transit Gateway Attachments:

Attach the VPC containing the Aurora DB cluster to the transit gateway. This allows the shared services VPC to communicate through the transit gateway.

Create Resource Share with AWS RAM:

Use AWS Resource Access Manager (AWS RAM) to create a resource share for the transit gateway. Share this resource with all development accounts. AWS RAM allows you to securely share your AWS resources across AWS accounts without needing to duplicate them.

Accept Resource Shares in Development Accounts:

Instruct each development team to log into their respective AWS accounts and accept the transit gateway resource share. This step is crucial for enabling cross-account access to the shared transit gateway.

Configure VPC Attachments in Development Accounts:

Each development account needs to attach their VPC to the shared transit gateway. This allows their VPCs to route traffic through the transit gateway to the Aurora DB cluster in the shared services account.

Update Route Tables:

Update the route tables in each VPC to direct traffic intended for the Aurora DB cluster through the transit gateway. This ensures that network traffic is properly routed between the development VPCs and the shared services VPC.

Using a transit gateway simplifies the network management and reduces operational overhead by providing a scalable and efficient way to interconnect multiple VPCs across different AWS accounts.

Reference

AWS Database Blog on RDS Proxy for Cross-Account Access48.

AWS Architecture Blog on Cross-Account and Cross-Region Aurora Setup49.

DEV Community on Managing Multiple AWS Accounts with Organizations51.

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asked 16/09/2024
Mirza Daniyal Baig
40 questions
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