Backup of an EBS Volume

Answer - C.

The AWS Documentation mentions the following:

You can back up the data on your Amazon EBS volumes to Amazon S3 by taking point-in-time snapshots.

For more information on EBS Snapshots, please visit the link:

If you want to take a backup of an EBS Volume in AWS, the appropriate action would be to create an EBS snapshot. Therefore, the correct answer is option C, "Create an EBS snapshot."

Here is a more detailed explanation of EBS snapshots and how they work:

Amazon Elastic Block Store (EBS) is a storage service that provides persistent block-level storage volumes for use with EC2 instances. An EBS volume is a network-attached storage device that can be attached to an EC2 instance and used like a physical hard drive. EBS volumes are durable and reliable, but they are not immune to data loss. To protect your data against accidental deletion, hardware failure, or other types of data loss, you can create a backup of your EBS volume by taking an EBS snapshot.

An EBS snapshot is a point-in-time copy of an EBS volume. It captures the data on the volume, including all of its blocks, and stores it in Amazon S3 as an Amazon EBS snapshot. The snapshot is incremental, meaning that only the blocks that have changed since the last snapshot are stored. This makes it efficient to create and store snapshots, as well as restore them when needed.

To create an EBS snapshot, you can use the AWS Management Console, the AWS Command Line Interface (CLI), or the AWS SDKs. When you create an EBS snapshot, you can specify which EBS volume you want to back up, and you can also add tags to the snapshot to help you identify it later. Once the snapshot is created, it is stored in Amazon S3, which provides durability and availability for the snapshot.

With an EBS snapshot, you can restore the EBS volume to a previous state or create a new EBS volume from the snapshot. You can also share the snapshot with other AWS accounts, copy it to a different region, or encrypt it using AWS Key Management Service (KMS) for added security.

In summary, to take a backup of an EBS volume in AWS, you would create an EBS snapshot, which captures a point-in-time copy of the volume and stores it in Amazon S3.