Learn how to establish a cost-effective Direct Connect setup for hybrid cloud networking with AWS VPCs across multiple regions, using transit gateways and a Direct Connect gateway.
Table of Contents
Question
A company has a total of 30 VPCs. Three AWS Regions each contain 10 VPCs. The company has attached the VPCs in each Region to a transit gateway in that Region. The company also has set up inter-Region peering connections between the transit gateways.
The company wants to use AWS Direct Connect to provide access from its on-premises location for only four VPCs across the three Regions. The company has provisioned four Direct Connect connections at two Direct Connect locations.
Which combination of steps will meet these requirements MOST cost-effectively? (Choose three.)
A. Create four virtual private gateways. Attach the virtual private gateways to the four VPCs.
B. Create a Direct Connect gateway. Associate the four virtual private gateways with the Direct Connect gateway.
C. Create four transit VIFs on each Direct Connect connection. Associate the transit VIFs with the Direct Connect gateway.
D. Create four transit VIFs on each Direct Connect connection. Associate the transit VIFs with the four virtual private gateways.
E. Create four private VIFs on each Direct Connect connection to the Direct Connect gateway.
F. Create an association between the Direct Connect gateway and the transit gateways.
Answer
A. Create four virtual private gateways. Attach the virtual private gateways to the four VPCs.
B. Create a Direct Connect gateway. Associate the four virtual private gateways with the Direct Connect gateway.
F. Create an association between the Direct Connect gateway and the transit gateways.
Explanation
A. Create four virtual private gateways. Attach the virtual private gateways to the four VPCs.
This step is required to enable a VPN connection between the VPCs and the on-premises location.
B. Create a Direct Connect gateway. Associate the four virtual private gateways with the Direct Connect gateway.
This step is required to establish a Direct Connect connection between the on-premises location and the VPCs.
F. Create an association between the Direct Connect gateway and the transit gateways.
This step is required to enable communication between the VPCs attached to the Direct Connect gateway and the VPCs attached to the transit gateways.
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