A user has created a VPC with CIDR 20.0.0.0/16. The user has created one subnet with CIDR 20.0.0.0/16 by
mistake. The user is trying to create another subnet of CIDR 20.0.0.1/24. How can the user create the second
subnet?

A user is receiving a notification from the RDS DB whenever there is a change in the DB security group. The
user does not want to receive these notifications for only a month. Thus, he does not want to delete the
notification. How can the user configure this?

A user is configuring the Multi AZ feature of an RDS DB. The user came to know that this RDS DB does not
use the AWS technology, but uses server mirroring to achieve HA. Which DB is the user using right now?

A user has created a mobile application which makes calls to DynamoDB to fetch certain data. The applicationis using the DynamoDB SDK and root account access/secret access key to connect to DynamoDB from
mobile. Which of the below mentioned statements is true with respect to the best practice for security in this
scenario?

A user has configured ELB with Auto Scaling. The user suspended the Auto Scaling terminate process only for
a while. What will happen to the availability zone rebalancing process (AZRebalance. during this period?

An AWS account owner has setup multiple IAM users. One IAM user only has CloudWatch access. He has
setup the alarm action which stops the EC2 instances when the CPU utilization is below the threshold limit.
What will happen in this case?

A user is trying to send custom metrics to CloudWatch using the PutMetricData APIs. Which of the below
mentioned points should the user needs to take care while sending the data to CloudWatch?

A user wants to find the particular error that occurred on a certain date in the AWS MySQL RDS DB. Which of
the below mentioned activities may help the user to get the data easily?

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 center has CIDR of 20.0.54.0/24 and 20.1.0.0/24. If the private subnet
wants to communicate with the data center, what will happen?

A user has enabled detailed CloudWatch monitoring with the AWS Simple Notification Service. Which of the
below mentioned statements helps the user understand detailed monitoring better?