Discuss Amazon SAA-C03 Exam Topic 9 Question 13

A company plans to use Amazon ElastiCache for its multi-tier web application A solutions architect creates a Cache VPC for the ElastiCache cluster and an App VPC for the application's Amazon EC2 instances Both VPCs are in the us-east-1 Region

The solutions architect must implement a solution to provide tne application's EC2 instances with access to the ElastiCache cluster

Which solution will meet these requirements MOST cost-effectively?

ACreate a peering connection between the VPCs Add a route table entry for the peering connection in both VPCs Configure an inbound rule for the ElastiCache cluster's security group to allow inbound connection from the application's security group

BCreate a Transit VPC Update the VPC route tables in the Cache VPC and the App VPC to route traffic through the Transit VPC Configure an inbound rule for the ElastiCache cluster's security group to allow inbound connection from the application's security group

CCreate a peering connection between the VPCs Add a route table entry for the peering connection in both VPCs Configure an inbound rule for the peering connection's security group to allow inbound connection from the application's secunty group

DCreate a Transit VPC Update the VPC route tables in the Cache VPC and the App VPC to route traffic through the Transit VPC Configure an inbound rule for the Transit VPCs security group to allow inbound connection from the application's security group

Suggested Answer: A

Creating a peering connection between the two VPCs and configuring an inbound rule for the ElastiCache cluster's security group to allow inbound connection from the application's security group is the most cost-effective solution. Peering connections are free and you only incur the cost of configuring the security group rules. The Transit VPC solution requires additional VPCs and associated resources, which would incur additional costs.

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13 comments · newest first

Marshall 11 months ago

Not sure about that, but A sounds solid!

Markus 12 months ago

I think B is overkill for this scenario.

Bev 12 months ago

Wait, why not just use a Transit Gateway instead?

Crista 1 year ago

I agree, peering is usually cost-effective!

Ria 1 year ago

Option A seems like the simplest solution.

Tiera 1 year ago

I’m a bit confused about the security group rules. Do we really need to configure inbound rules for both the peering connection and the security group?

Daren 1 year ago

I practiced a similar question where we had to connect two VPCs, and I think the peering connection is usually the more cost-effective option.

Shawn 1 year ago

I'm not entirely sure, but I feel like using a Transit VPC could be more complex and might not be necessary for this setup.

Iluminada 1 year ago

I remember studying VPC peering connections, and I think option A might be the most straightforward solution for connecting the two VPCs.

Carlene 1 year ago

I feel pretty confident about this. The administration oversees the hospital's management and has the authority to appoint the medical staff. That has to be the correct answer.

Royce 1 year ago

Hmm, I'm a bit confused by the different types of logs and archives mentioned. I'll need to review the WLDF documentation to make sure I fully grasp the differences between them.

Belen 1 year ago

I'm a bit confused by the different report formats. I'll need to double-check the code and the options to make sure I understand the problem correctly.

Shasta 1 year ago

Hmm, I'm a bit confused by the wording of the question. I'll need to carefully read through the options to see which one best fits the description.

Amazon SAA-C03 Exam - Topic 9 Question 13 Discussion