A user has configured ELB with Auto Scaling. The user suspended the Auto Scaling AlarmNotification (which notifies
Auto Scaling for CloudWatch alarms) process for a while. What will Auto Scaling do during this period?

A user has created a VPC with public and private subnets. The VPC has CIDR 20.0.0.0/16. The private subnet uses
CIDR 20.0.1.0/24 and the public subnet uses CIDR 20.0.0.0/24. The user is planning to host a web server in the public
subnet (port 80) and a DB server in the private subnet (port 3306). The user is configuring a security group of the NAT
instance. Which of the below mentioned entries is not required for the NAT security group?

A user has configured an HTTPS listener on an ELB. The user has not configured any security policy which can help to
negotiate SSL between the client and ELB. What will ELB do in this scenario?

A user has launched an EBS backed EC2 instance in the US-East-1a region. The user stopped the instance and started
it back after 20 days. AWS throws up an `InsufficientInstanceCapacity’ error. What can be the possible reason for this?

A user has launched multiple EC2 instances for the purpose of development and testing in the same region. The user

wants to find the separate cost for the production and development instances. How can the user find the cost distribution?

A user had aggregated the CloudWatch metric data on the AMI ID. The user observed some abnormal behaviour of the
CPU utilization metric while viewing the last 2 weeks of data. The user wants to share that data with his manager. How
can the user achieve this easily with the AWS console?

A user wants to upload a complete folder to AWS S3 using the S3 Management console. How can the user perform this
activity?

A user has setup an Auto Scaling group. The group has failed to launch a single instance for more than 24 hours. What
will happen to Auto Scaling in this condition?

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 sys admin is planning to subscribe to the RDS event notifications. For which of the below mentioned source categories
the subscription cannot be configured?