Virtual Private Cloud Quiz
Currently, you’re helping design and architect a highly available application. After building the initial environment, you discover that a part of your application does not work correctly until port 443 is added to the security group. After adding port 443 to the appropriate security group, how much time will it take before the changes are applied and the application begins working correctly? Choose the correct answer from the options below.
A. Generally, it takes 2-5 minutes in order for the rules to propagate.
B. Immediately after a reboot of the EC2 Instances belong to that security group.
C. Changes apply instantly to the security group, and the application should be able torespond to 443 requests.
D. It will take 60 seconds for the rules to apply to all Availability Zones withinthe region.
C. Changes apply instantly to the security group, and the application should be able torespond to 443 requests.
This is given in the AWS Documentation:”Some systems for setting up firewalls let you filter on source ports. Security groups let you filter only on destination ports.When you add or remove rules, they are automatically applied to all instances associated with the security group”.
For more information on Security Groups, please refer to the below link:
http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_SecurityGroups.html
