Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 374 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03

Question #: 374
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company is running several business applications in three separate VPCs within the us-east-1 Region. The applications must be able to communicate between VPCs. The applications also must be able to consistently send hundreds of gigabytes of data each day to a latency-sensitive application that runs in a single on-premises data center.

A solutions architect needs to design a network connectivity solution that maximizes cost-effectiveness.

Which solution meets these requirements?

A. Configure three AWS Site-to-Site VPN connections from the data center to AWS. Establish connectivity by configuring one VPN connection for each VPC.
B. Launch a third-party virtual network appliance in each VPC. Establish an IPsec VPN tunnel between the data center and each virtual appliance.
C. Set up three AWS Direct Connect connections from the data center to a Direct Connect gateway in us-east-1. Establish connectivity by configuring each VPC to use one of the Direct Connect connections.
D. Set up one AWS Direct Connect connection from the data center to AWS. Create a transit gateway, and attach each VPC to the transit gateway. Establish connectivity between the Direct Connect connection and the transit gateway.

Show Suggested Answer

Suggested Answer: D 🗳️

by [deleted] at March 10, 2023, 2:45 p.m.

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TariqKipkemei

Highly Voted 1 year, 4 months ago

Selected Answer: D

AWS Transit Gateway connects your Amazon Virtual Private Clouds (VPCs) and on-premises networks through a central hub. This connection simplifies your network and puts an end to complex peering relationships. Transit Gateway acts as a highly scalable cloud router—each new connection is made only once. https://aws.amazon.com/transit-gateway/#:~:text=AWS-,Transit%20Gateway,-connects%20your%20Amazon

upvoted 6 times

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Guru4Cloud

Highly Voted 1 year, 5 months ago

Selected Answer: D

This option leverages a single Direct Connect for consistent, private connectivity between the data center and AWS. The transit gateway allows each VPC to share the Direct Connect while keeping the VPCs isolated. This provides a cost-effective architecture to meet the requirements.

upvoted 5 times

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upliftinghut

Most Recent 1 year ago

Selected Answer: D

AWS Direct connect is costly but the saving comes from less data transfer cost with Direct Connect and Transit gateway

upvoted 4 times

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alexandercamachop

1 year, 8 months ago

Selected Answer: D

Transit GW, is a hub for connecting all VPCs. Direct Connect is expensive, therefor only 1 of them connected to the Transit GW (Hub for all our VPCs that we connect to it)

upvoted 4 times

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