From a single AMI, you can launch multiple types of instances.  An instance type defines the hardware of the host computer used for your instance. Each instance type provides different computer and memory capabilities.  Once you launch an instance, it looks like a traditional host, and we can interact with it as we would with any computer.

What is the relationship between an instance and AMI?

Yes, you can vertically scale on the Amazon instance. For that

1. 1. Spin up a new larger instance than the one you are currently running
2. 2. Pause that instance and detach the root webs volume from the server and discard
3. 3. Then stop your live instance and detach its root volume
4. 4. Note the unique device ID and attach that root volume to your new server
 And start it again

Can you vertically scale an Amazon instance? How?

AMI stands for Amazon Machine Image.  It’s a template that provides the information (an operating system, an application server, and applications) required to launch an instance, which is a copy of the AMI running as a virtual server in the cloud.  You can launch instances from as many different AMIs as you need.

Top Aws Interview Questions

1. What is the relationship between an instance and AMI?

2. Can you vertically scale an Amazon instance? How?

3. What is AMI?