It is a physical data center in An AWS region where we can launch and run resources like EC2 instances.
STEP 1: Click on create Key pair
Step 2 : There we can create keypair name
Step 3: Select Keypair type and private keyf ile format and click on create keypair
EC2 stands for Elastic Compute cloud . It is a service in AWS used to create and run virtual server in the cloud.
Security group is a virtual firewall that manages inbound and outbound traffics to access the virtual machine.
AMI stands for Amazon Machine Image. It contains per-configured templates to launch EC2 instance in AWS.