ExpertMedium1 markMultiple Choice
AWS SAA-C03 · Question 51 · Domain 3.4: Network Performance
A company has 50 VPCs spread across multiple AWS Regions. They need to establish a hub-and-spoke network topology to route traffic between all VPCs and their on-premises data center. Which service provides the MOST scalable and high-performing architecture?
A company has 50 VPCs spread across multiple AWS Regions. They need to establish a hub-and-spoke network topology to route traffic between all VPCs and their on-premises data center. Which service provides the MOST scalable and high-performing architecture?
Answer options:
A.
VPC Peering
B.
AWS Transit Gateway
C.
AWS VPN CloudHub
D.
AWS Direct Connect Gateway
How to approach this question
Identify 'hub-and-spoke' and 'multiple VPCs'. AWS Transit Gateway is the standard solution for this.
Full Answer
B.AWS Transit Gateway✓ Correct
AWS Transit Gateway
AWS Transit Gateway connects VPCs and on-premises networks through a central hub. This simplifies your network and puts an end to complex peering relationships.
Common mistakes
Choosing VPC Peering, which does not support transitive routing (hub-and-spoke).
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