What is the default CIDR range provided for the default VPC’s setup in AWS?

Answer options:

A.10.0.0.0/16
B.172.31.0.0/16
C.20.0.0.0/16
D.192.168.0.0/16

Answer – B
This is mentioned in the AWS documentation
Default VPCs are assigned a CIDR range of 172.31.0.0/16. Default subnets within a default VPC are assigned /20 netblocks within the VPC CIDR range.
For more information on VPC’s, please refer to the below link:
https://aws.amazon.com/vpc/faqs/