A user has hosted an application on EC2 instances. The EC2 instances are configured w

ith ELB and Auto Scaling. The application server session time out is 2 hours. The user wants to configure connection draining to ensure that all in-flight requests are supported by ELB even though the instance is being deregistered. What time out period sh

ould the user specify for connection draining?

A. 5 minutes

B. 1 hour

C. 30 minutes

D. 2 hours

Explanation: