How many security groups will ELB create by default?

Explanations:

ELB does not create 3 security groups by default. It can be associated with multiple security groups, but it doesn’t create 3 automatically.

ELB does not create 5 security groups by default. It can have multiple associated groups, but this is not the default behavior.

ELB does not create 2 security groups by default. The default is not two groups.

By default, ELB creates 1 security group to associate with itself, which controls traffic to the load balancer.