Q26 — AWS SAA-C03 Ch.10

Question 26 of 100 | ← Chapter 10

Q626. A company has two VPCs that are located in the us-west-2 Region within the same AWS account. The company needs to allow network traffic between these VPCs. Approximately 500 GB of data transfer will occur between the VPCs each month.What is the Most cost-effective solution to connect these VPCs?

Correct Answer: C. Set up a VPC peering connection between the VPCs. Update the route tables ofeach VPC to use the VPC peering connection for inter-VPC communication

Explanation

To establish a cost-effective solution for connecting two VPCs located in the same AWS account within the us-west-2 Region and allowing network traffic between them, the most suitable option would be:C. Set up a VPC peering connection between the VPCs. Update the route tables of each VPC to use the VPC peering connection for inter-VPC communication.C. Setting up a VPC peering connection between the VPCs is the most cost-effective option for connecting the VPCs. VPC peering allows direct communication between VPCs using private IP addresses without the need for additional hardware or data transfer costs within the same AWS Region. It provides a secure and low-latency connection between the VPCs.Option A is not the best choice:A. Implementing AWS Transit Gateway would be overkill for connecting just two VPCs within the same AWS account. AWS Transit Gateway is designed for connecting multiple VPCs and on-premises networks at scale.Option B is not the best choice either:B. Implementing an AWS Site-to-Site VPN tunnel between the VPCs would incur additional data transfer costs for the 500 GB of monthly traffic between the VPCs. VPN tunnels are typically used for connecting on-premises networks to AWS, and in this scenario, using a VPN tunnel for inter-VPC communication would be less cost-effective compared to VPC peering.Option D is not the best choice either:D. Setting up a 1 GB AWS Direct Connect connection between the VPCs would be an expensive and unnecessary solution for connecting the VPCs within the same AWS Region. AWS Direct Connect is typically used to establish dedicated and high-bandwidth connections between on-premises networks and AWS, and it is not the most suitable solution for inter-VPC communication within the same account and Region.Therefore, the most cost-effective solution to connect the two VPCs and allow network traffic between them is to set up a VPC peering connection (option C) and update the route tables of each VPC to use the VPC peering connection for inter-VPC communication.