Which of the below mentioned options is not available when an instance is launched by Auto Scaling with EC2 Classic?

Which of the below mentioned options is not available when an instance is launched by Auto Scaling with EC2 Classic?
A . Public IP
B . Elastic IP
C . Private DNS
D . Private IP

Answer: B

Explanation:

Auto Scaling supports both EC2 classic and EC2-VPC. When an instance is launched as a part of EC2 classic, it will have the public IP and DNS as well as the private IP and DNS.

Reference: http://docs.aws.amazon.com/AutoScaling/latest/DeveloperGuide/GettingStartedTutorial.html