Your company has the following Direct Connect and VPN Connections.
Site A - VPN 10.1.0.0/24 AS 65000 65000
Site B - VPN 10.1.0.252/30 AS 65000
Site C - Direct Connect 10.0.0.0/8 AS 65000
Site D - Direct Connect 10.0.0.0/16 AS 65000 65000 65000
You are trying to connect to an IP address of 10.1.0.254. Which of the following route will be chosen?
 

Answer options:

A.Site A
B.Site B
C.Site C
D.Site D

Answer – B
AWS uses the most specific route in your route table that matches the traffic to determine how to route the traffic (longest prefix match). Hence the one that matches this is Site
B.Options A, C and D are all incorrect since the shortest prefix would be chosen.
For more information on route table priority, please visit the below URL:
http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Route_Tables.html#route-tables-priority