After an Amazon EC2-VPC instance is launched, can I change the VPC security groups it belongs to?
A.
No
B.
Yes
C.
Only if you are the root user
D.
Only if the tag “VPC_Change_Group” is true
After an Amazon EC2-VPC instance is launched, can I cha…
After an Amazon EC2-VPC instance is launched, can I change the VPC security groups it belongs to?
Ans: B
Answer is B: Yes. This is because the question is talking about EC2-VPC. In EC2-Classic you cannot change the Security Group while the instance is up and running. In EC2-VPC, you can change security groups.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-network-security.html