What does ec2-create-group do with respect to the Amazon EC2 security groups?

What is the default VPC security group limit?

Is there a method or command in the IAM system to allow or deny access to a specific instance?

After an Amazon EC2-VPC instance is launched, can I change the VPC security groups it belongs to?

In Amazon CloudWatch, which metric should I be checking to ensure that your DB Instance has enough free
storage space?

A Provisioned IOPS SSD volume must be at least _____ GB in size.

You are a solutions architect working for a company that specializes in ingesting large data feeds (using
Kinesis) and then analyzing these feeds using Elastic Map Reduce (EMR). The results are then stored on a
custom MySQL database which is hosted on an EC2 instance which has 3 volumes, the root/boot volume, and
then 2 additional volumes which are striped in to a RAID 1. Your company recently had an outage and lost
some key data and have since decided that they will need to run nightly back ups. Your application is only used
during office hours, so you can afford to have some down time in the middle of the night if required. You decide
to take a snapshot of all three volumes every 24 hours. In what manner should you do this?

What are the valid methodologies for encrypting data on S3?

In Identity and Access Management, when you first create a new user, certain security credentials are
automatically generated. Which of the below are valid security credentials?

Amazon Web Services offer 3 different levels of support, which of the below are valid support levels.