You must assign each server to at least _____ security group
A.
3
B.
2
C.
4
D.
1
Explanation:
Your AWS account automatically has a default security group per region for EC2-Classic.
When you create a VPC, we automatically create a default security group for the VPC. If you
don’t specify a different security group when you launch an instance, the instance is
automatically associated with the appropriate default security group.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-network-security.html
D.
Your AWS account automatically has a default security group per VPC and per region for EC2-Classic. If you don’t specify a security group when you launch an instance, the instance is automatically associated with the default security group.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-network-security.html