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Question

Difficulty: EasyAWS Network Services

A company is planning to connect multiple Amazon Virtual Private Clouds (VPCs) in their AWS environment. Which of the following statements correctly describe the features of AWS Transit Gateway and VPC Peering? (Select TWO.)

  1. AWS Transit Gateway acts as a centralized hub to connect multiple VPCs and on-premises networks.Answer
  2. VPC Peering establishes a direct point-to-point routing connection between two VPCs.Answer
  3. C
    VPC Peering is the recommended service to build a hub-and-spoke topology for connecting hundreds of VPCs.
  4. D
    VPC Peering supports transitive routing, allowing traffic to pass through an intermediate VPC to a third VPC.
  5. E
    Security Groups function as stateless firewalls that control traffic at the subnet level.

Answer

AWS Transit Gateway acts as a centralized hub to connect multiple VPCs and on-premises networks, and VPC Peering establishes a direct point-to-point routing connection between two VPCs.
The correct statements identify that AWS Transit Gateway simplifies multi-VPC networks by acting as a central hub, while VPC Peering provides direct, point-to-point connectivity between pairs of VPCs.

Step-by-Step Solution

1
Analyze the connection requirements for multiple VPCs.
Identify that connecting multiple VPCs individually via point-to-point links (VPC Peering) leads to complex mesh networks, whereas a centralized router (AWS Transit Gateway) simplifies connectivity.
To distinguish between point-to-point and hub-and-spoke network architectures in AWS.
2
Evaluate the routing properties of VPC Peering.
Confirm that VPC Peering is non-transitive and only connects the two specific peering VPCs directly.
To identify valid communication paths in VPC peering arrangements.

Key Concept

VPC Peering vs. AWS Transit Gateway connectivity characteristics
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Topics

AWS Network Services

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