Which two methods increases the fault tolerance of the connection to VPC-1?

A company has configured and peered two VPCs: VPC-1 and VPC-2. VPC-1 contains only private subnets, and VPC-2 contains only public subnets. The company uses a single AWS Direct Connect connection and private virtual interface to connect their on-premises network with VPC-1.

Which two methods increases the fault tolerance of the connection to VPC-1? Choose 2 answers
A . Establish a hardware VPN over the internet between VPC-2 and the on-premises network.
B . Establish a hardware VPN over the internet between VPC-1 and the on-premises network.
C . Establish a new AWS Direct Connect connection and private virtual interface in the same region as VPC-2.
D . Establish a new AWS Direct Connect connection and private virtual interface in a different AWS region than VPC-1.
E . Establish a new AWS Direct Connect connection and private virtual interface in the same AWS region as VPC-1

Answer: B, C