When an EC2 EBS-backed (EBS root) instance is stopped, what happens to the data on any ephemeral store volumes?

When an EC2 EBS-backed (EBS root) instance is stopped, what happens to the data on any ephemeral store volumes? Data will be deleted and win no longer be accessible Data…

Continue ReadingWhen an EC2 EBS-backed (EBS root) instance is stopped, what happens to the data on any ephemeral store volumes?

You are tasked with setting up a cluster of EC2 Instances for a NoSQL database. The database requires random read I/O disk performance up to a 100,000 IOPS at 4KB block side per node.

You are tasked with setting up a cluster of EC2 Instances for a NoSQL database. The database requires random read I/O disk performance up to a 100,000 IOPS at 4KB…

Continue ReadingYou are tasked with setting up a cluster of EC2 Instances for a NoSQL database. The database requires random read I/O disk performance up to a 100,000 IOPS at 4KB block side per node.

An organization’s security policy requires multiple copies of all critical data to be replicated across at least a primary and backup data center. The organization has decided to store some critical data on Amazon S3.

An organization's security policy requires multiple copies of all critical data to be replicated across at least a primary and backup data center. The organization has decided to store some…

Continue ReadingAn organization’s security policy requires multiple copies of all critical data to be replicated across at least a primary and backup data center. The organization has decided to store some critical data on Amazon S3.

You use S3 to store critical data for your company Several users within your group currently have lull permissions to your S3 buckets You need to come up with a solution mat does not impact your users and also protect against the accidental deletion of objects.

You use S3 to store critical data for your company Several users within your group currently have lull permissions to your S3 buckets You need to come up with a…

Continue ReadingYou use S3 to store critical data for your company Several users within your group currently have lull permissions to your S3 buckets You need to come up with a solution mat does not impact your users and also protect against the accidental deletion of objects.

Which Amazon RDS feature will allow you to reliably restore your database to within 5 minutes of when the mistake was made?

You receive a frantic call from a new DBA who accidentally dropped a table containing all your customers. Which Amazon RDS feature will allow you to reliably restore your database…

Continue ReadingWhich Amazon RDS feature will allow you to reliably restore your database to within 5 minutes of when the mistake was made?