You are designing the network infrastructure for an application server in Amazon VPC Users will access all the
application instances from the Internet as well as from an on-premises network The on-premises network is
connected to your VPC over an AWS Direct Connect link.
How would you design routing to meet the above requirements?

A.
Configure a single routing Table with a default route via the Internet gateway Propagate a default route via
BGP on the AWS Direct Connect customer router. Associate the routing table with all VPC subnets.
B.
Configure a single routing table with a default route via the internet gateway Propagate specific routes for
the on-premises networks via BGP on the AWS Direct Connect customer router Associate the routing table
with all VPC subnets.
C.
Configure a single routing table with two default routes: one to the internet via an Internet gateway the other
to the on-premises network via the VPN gateway use this routing table across all subnets in your VPC,
D.
Configure two routing tables one that has a default route via the Internet gateway and another that has a
default route via the VPN gateway Associate both routing tables with each VPC subnet.
Answer is B.
You cannot have two default routes as is suggested in answer A.
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Correct answer – B.
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http://jayendrapatil.com/aws-direct-connect-dx/
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