By default what are ENIs that are automatically created and attached to instances using the
EC2 console set to do when the attached instance terminates?

A.
Remain as is

B.
Terminate

C.
Hibernate

D.
Pause

Explanation:
By default, elastic network interfaces that are automatically created and attached to instances
using the console are set to terminate when the instance terminates. However, network
interfaces created using the command line interface aren’t set to terminate when the instance
terminates.
Source:http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/usingeni.html#change_term_behavior