Customer Responsibility for EBS Volume Availability and Backup
Question
Which of the following is the responsibility of the customer to ensure the availability and backup of the EBS volumes?
Answers
Explanations
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A. B. C. D.Answer - B.
Snapshots are incremental backups, which means that only the blocks on the device that have changed after your most recent snapshot are saved.
When you create an EBS volume based on a snapshot, the new volume begins as an exact replica of the original volume that was used to create the snapshot.
The replicated volume loads data in the background so that you can begin using it immediately.
Option A is incorrect because there is no need for backup of the volumes if data is already deleted.
Option C is incorrect because attaching more EBS volumes doesn't ensure availability, if there is no snapshot then the volume cannot be available to a different availability zone.
Option D is incorrect EBS volumes cannot be copied, they can only be replicated using snapshots.
For more information on EBS Snapshots, please refer to the below URL:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSSnapshots.htmlThe correct answer is B. Create EBS snapshots.
Explanation: Amazon Elastic Block Store (EBS) is a block-level storage service that provides persistent block-level storage volumes for use with Amazon EC2 instances. Amazon EBS volumes are designed for durability and availability, but it is still the customer's responsibility to ensure data protection and availability in case of failure.
EBS snapshots are point-in-time copies of EBS volumes, which are stored in Amazon S3. They can be used to protect data against accidental deletion, data corruption, or other issues. EBS snapshots are incremental, meaning that only the blocks that have changed since the last snapshot are saved. This can help to reduce costs and time required for backups.
Therefore, creating EBS snapshots is the responsibility of the customer to ensure the availability and backup of the EBS volumes. This practice provides data protection and allows for the recovery of data in case of a disaster.
A. Deleting the data and creating a new EBS volume is not a backup solution and does not provide data protection or availability in case of a failure.
C. Attaching new volumes to EC2 instances is not a backup solution and does not provide data protection or availability in case of a failure.
D. Creating copies of EBS volumes is not a backup solution and does not provide data protection or availability in case of a failure.
