Amazon ANS-C01 Exam - Topic 3 Question 63 Discussion

Actual exam question for Amazon's ANS-C01 exam

Question #: 63
Topic #: 3

A company has its production VPC (VPC-A) in the eu-west-1 Region in Account 1. VPC-A is attached to a transit gateway (TGW-A) that is connected to an on-premises data center in Dublin, Ireland, by an AWS Direct Connect transit VIF that is configured for an AWS Direct Connect gateway. The company also has a staging VPC (VPC-B) that is attached to another transit gateway (TGW-B) in the eu-west-2 Region in Account 2.

A network engineer must implement connectivity between VPC-B and the on-premises data center in Dublin.

Which solutions will meet these requirements? (Choose two.)

AConfigure inter-Region VPC peering between VPC-A and VPC-B. Add the required VPC peering routes. Add the VPC-B CIDR block in the allowed prefixes on the Direct Connect gateway association.

BAssociate TGW-B with the Direct Connect gateway. Advertise the VPC-B CIDR block under the allowed prefixes.

CConfigure another transit VIF on the Direct Connect connection and associate TGW-B. Advertise the VPC-B CIDR block under the allowed prefixes.

DConfigure inter-Region transit gateway peering between TGW-A and TGW-B. Add the peering routes in the transit gateway route tables. Add both the VPC-A and the VPC-B CIDR block under the allowed prefix list in the Direct Connect gateway association.

EConfigure an AWS Site-to-Site VPN connection over the transit VIF to TGW-B as a VPN attachment.

Show Suggested Answer

Suggested Answer: B, C

B . Associate TGW-B with the Direct Connect gateway. Advertise the VPC-B CIDR block under the allowed prefixes. This will allow traffic from VPC-B to be sent over the Direct Connect connection to the on-premises data center via TGW-B. C. Configure another transit VIF on the Direct Connect connection and associate TGW-B. Advertise the VPC-B CIDR block under the allowed prefixes. This will enable the use of the Direct Connect connection for VPC-B's traffic by connecting TGW-B to the Direct Connect gateway.

by Corrina at Apr 10, 2026, 03:02 AM

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Gwenn

3 days ago

I remember something about inter-Region VPC peering, but I'm not sure if it would work with the Direct Connect setup.

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