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Question

Difficulty: EasyAWS Network Services

A company wants to interconnect multiple Virtual Private Clouds (VPCs) and on-premises networks using a single central hub, rather than managing multiple point-to-point connections. Which AWS service should the company use to meet this requirement?

  1. AWS Transit GatewayAnswer
  2. B
    VPC Peering
  3. C
    Security Groups
  4. D
    Network Access Control Lists

Answer

AWS Transit Gateway
AWS Transit Gateway acts as a cloud router, enabling customers to connect their VPCs and on-premises networks to a single, centrally managed hub. This significantly reduces the operational overhead of managing multiple individual VPC Peering connections and VPN links.

Step-by-Step Solution

1
Analyze the business and technical requirements.
The requirement asks for a service that can interconnect multiple VPCs and on-premises networks through a single central hub, simplifying the network topology.
This rules out direct point-to-point connections (VPC Peering) and host-level or subnet-level firewall rules.
2
Evaluate the capabilities of the options relative to network routing and transit capabilities.
AWS Transit Gateway is the only service listed that is designed as a centralized cloud router to simplify hybrid and multi-VPC connectivity.
It replaces complex peering meshes and provides a single gateway to manage traffic flow to and from all connected networks.

Key Concept

Centralized network routing and transit management in AWS using Transit Gateway.
Estimated Time:45s
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Topics

AWS Network Services

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