Which of these is a valid restriction on the properties of a VPC?

1.  You can have only 10 internet gateways per region on a new AWS account.
2.  You can have only 10 VPCs per region on a new AWS account
3.  You cannot create a CIDR block with a netmask larger than /16
4.  You can have only 10 subnets within a VPC

Correct Answer:

•  You cannot create a CIDR block with a netmask larger than /16