Difference between Stopping and Terminating the instances?

Stopping: You can stop an EC2 instance and stopping an instance means shutting down the instance. Its corresponding EBS volume is still attached to an EC2 instance, so you can restart the instance as well. Terminating: You can also terminate the EC2 instance and terminating an instance means you are removing the instance from your … Read more

What is a snowball?

Snowball is a petabyte-scale data transport solution that uses secure appliances to transfer large amounts of data into and out of aws cloud. For an AWS interview question about what a “Snowball” is, the correct answer would be: “A Snowball is a physical data transport solution provided by Amazon Web Services (AWS) for transferring large … Read more

What is the default storage class in S3?

The default storage class is Standard Frequently Accessed. The default storage class in Amazon S3 (Simple Storage Service) is the “Standard” storage class. It offers high durability, availability, and performance for frequently accessed data.

What are different types of instances?

Following are the different types of instances: General Purpose Instance type General purpose instances are the instances mainly used by the companies. There are two types of General Purpose instances: Fixed performance (eg. M3 and M4) and Burstable performance (eg. T2). Some of the sectors use this instance such as Development environments, build servers, code … Read more

What are policies and what are the different types of policies?

Policy is an object which is associated with a resource that defines the permissions. AWS evaluate these policies when user makes a request. Permissions in the policy determine whether to allow or to deny an action. Policies are stored in the form of a JSON documents. AWS supports six types of policies: Identity-based policies Resource-based … Read more