A company currently runs its infrastructure within a VPC in a single Availability Zone. The VPC is connected to the company’s on-premises data center through an AWS Site-to-Site VPN connection attached to a virtual private gateway. The on-premises route tables route all VPC networks to the VPN connection. Communication between the two environments is working correctly. A SysOps administrator created new VPC subnets within a new Availability Zone, and deployed new resources within the subnets. However, communication cannot be established between the new resources and the on-premises environment. Which steps should the SysOps administrator take to resolve the issue?

Topic #: - All AWS Certified SysOps Administrator - Associate Questions

A. Add a route to the route tables of the new subnets that send on-premises traffic to the virtual private gateway.
B. Create a ticket with AWS Support to request adding Availability Zones to the Site-to-Site VPN route configuration.
C. Establish a new Site-to-Site VPN connection between a virtual private gateway attached to the new Availability Zone and the on-premises data center.
D. Replace the Site-to-Site VPN connection with an AWS Direct Connect connection.

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