A sys admin is maintaining an application on AWS. The application is installed on EC2 and user has configured ELB and
Auto Scaling. Considering future load increase, the user is planning to launch new servers proactively so that they get
registered with ELB. How can the user add these instances with Auto Scaling?

An organization has added 3 of his AWS accounts to consolidated billing. One of the AWS accounts has purchased a
Reserved Instance (RI) of a small instance size in the US-East-1a zone. All other AWS accounts are running instances
of a small size in the same zone. What will happen in this case for the RI pricing?

A user has setup a VPC with CIDR 20.0.0.0/16. The VPC has a private subnet (20.0.1.0/24) and a public subnet
(20.0.0.0/24). The user’s data centre has CIDR of 20.0.54.0/24 and 20.1.0.0/24. If the private subnet wants to
communicate with the data centre, what will happen?

A user has scheduled the maintenance window of an RDS DB on Monday at 3 AM. Which of the below mentioned events
may force to take the DB instance offline during the maintenance window?

A user has launched 10 instances from the same AMI ID using Auto Scaling. The user is trying to see the average CPU
utilization across all instances of the last 2 weeks under the CloudWatch console. How can the user achieve this?

An application is generating a log file every 5 minutes. The log file is not critical but may be required only for verification
in case of some major issue. The file should be accessible over the internet whenever required. Which of the below
mentioned options is a best possible storage solution for it?

A sys admin is trying to understand the Auto Scaling activities. Which of the below mentioned processes is not performed
by Auto Scaling?

A user has launched an EBS backed instance. The user started the instance at 9 AM in the morning. Between 9 AM to
10 AM, the user is testing some script. Thus, he stopped the instance twice and restarted it. In the same hour the user
rebooted the instance once. For how many instance hours will AWS charge the user?

A user has created a VPC with CIDR 20.0.0.0/16. The user has created public and VPN only subnets along with hardware
VPN access to connect to the user’s datacenter. The user wants to make so that all traffic coming to the public subnet
follows the organization’s proxy policy. How can the user make this happen?

A sys admin has created the below mentioned policy and applied to an S3 object named aws.jpg. The aws.jpg is inside
a bucket named cloudacademy. What does this policy define?
“Statement”: [{
“Sid”: “Stmt1388811069831”,

“Effect”: “Allow”,
“Principal”: { “AWS”: “*”},
“Action”: [ “s3:GetObjectAcl”, “s3:ListBucket”, “s3:GetObject”],
“Resource”: [ “arn:aws:s3:::cloudacademy/*.jpg”]
}]