AWS (Amazon Web Services) Certification Practice Exam

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Prepare for your AWS Certification Exam with flashcards and multiple-choice questions. Each question comes with hints and detailed explanations to help you succeed. Enhance your skills and be ready for the exam!

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What role does a Transit Gateway play in AWS architecture?

It connects multiple VPCs and on-premises networks
It acts as a firewall between resources
It monitors traffic on the VPC
It is used to back up database instances

The correct answer is: It connects multiple VPCs and on-premises networks

A Transit Gateway serves a crucial role in AWS architecture by enabling seamless connectivity between multiple Virtual Private Clouds (VPCs) and on-premises networks. This service simplifies the network traffic flow in a multi-VPC scenario by acting as a centralized hub that efficiently routes traffic among attached VPCs, AWS Direct Connect gateways, and VPN connections. Unlike traditional methods that might require complex peering setups between each VPC, a Transit Gateway reduces the complexity by allowing all VPCs to connect to a single gateway, thus enhancing scalability and manageability. With this setup, organizations can leverage the flexible architecture of AWS while maintaining efficient communication across their cloud environments. The other potential functions described—acting as a firewall, monitoring traffic, and backing up database instances—are features attributed to different AWS services, illustrating that a Transit Gateway is primarily focused on facilitating network connectivity rather than security, monitoring, or data protection.