A user has hosted an application on EC2 instances. The EC2 instances are configured with 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 should the user specify for connection draining?

A user is trying to connect to a running EC2 instance using SSH. However, the user gets a Host key not found
error. Which of the below mentioned options is a possible reason for rejection?

A user has configured ELB with two EBS backed instances. The user has stopped the instances for 1 week to
save costs. The user restarts the instances after 1 week. Which of the below mentioned statements will help
the user to understand the ELB and instance registration better?

An organization (account ID 123412341234) has configured the IAM policy to allow the user to modify his
credentials. What will the below mentioned statement allow the user to perform?

A user has launched two EBS backed EC2 instances in the US-East-1a region. The user wants to change the
zone of one of the instances. How can the user change it?

A sysadmin has created the below mentioned policy on an S3 bucket named cloudacademy. What does this
policy define?

An AWS account wants to be part of the consolidated billing of his organization’s payee account. How can the
owner of that account achieve this?

An organization has configured two single availability zones. The Auto Scaling groups are configured in
separate zones. The user wants to merge the groups such that one group spans across multiple zones. How
can the user configure this?

A user is using Cloudformation to launch an EC2 instance and then configure an application after the instance
is launched. The user wants the stack creation of ELB and AutoScaling to wait until the EC2 instance is
launched and configured properly. How can the user configure this?

An organization has configured Auto Scaling with ELB. One of the instance health check returns the status as
Impaired to Auto Scaling. What will Auto Scaling do in this scenario?