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Difficulty: EasyAWS Network Services

A startup has deployed two applications in separate Amazon Virtual Private Clouds (VPCs) within the same AWS Region. The startup needs to connect these two VPCs directly so that they can share resources securely using private IP addresses, without routing traffic through a central hub. Which AWS networking feature should the startup use to meet this requirement?

  1. A
    AWS Transit Gateway
  2. B
    Network access control lists (Network ACLs)
  3. VPC peeringAnswer
  4. D
    Availability Zones

Answer

VPC peering
VPC peering is a networking connection that allows routing of traffic between two Virtual Private Clouds (VPCs) privately. This allows instances in either VPC to communicate with each other as if they were within the same network, making it the most direct and cost-effective solution for a simple two-VPC setup.

Step-by-Step Solution

1
Identify that the requirement is to connect exactly two separate VPCs directly using private IP addresses.
Two VPCs need a point-to-point connection.
This helps narrow down the choices to features designed for direct, private VPC interconnection.
2
Select the service that provides direct point-to-point VPC connectivity without a centralized router.
VPC peering is selected.
VPC peering establishes a direct link between two VPCs, routing traffic privately without traversing the public internet or requiring a central transit hub.

Key Concept

VPC peering provides private, point-to-point connectivity between two VPCs.
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Topics

AWS Network Services

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