DOP-C02 · Question #52
A company runs a database on a single Amazon EC2 instance in a development environment. The data is stored on separate Amazon EBS volumes that are attached to the EC2 instance. An Amazon Route 53 A re
The correct answer is C. Run the database in an Auto Scaling group with a minimum and maximum instance count of 1 in. It restores EBS volumes from snapshot and snapshot is not AZ independent. Two instances means more costs. Also Auto Scaling group with min 1 max 1 IS the preferred method for HA.
Question
A company runs a database on a single Amazon EC2 instance in a development environment. The data is stored on separate Amazon EBS volumes that are attached to the EC2 instance. An Amazon Route 53 A record has been created and configured to point to the EC2 instance. The company would like to automate the recovery of the database instance when an instance or Availability Zone (AZ) fails. The company also wants to keep its costs low. The RTO is 4 hours and RPO is 12 hours. Which solution should a DevOps Engineer implement to meet these requirements?
Options
- ARun the database in an Auto Scaling group with a minimum and maximum instance count of 1 in
- BRun the database on two separate EC2 instances in different AZs with one active and the other
- CRun the database in an Auto Scaling group with a minimum and maximum instance count of 1 in
- DRun the database on two separate EC2 instances in different AZs. Configure one of the instances
How the community answered
(50 responses)- A24% (12)
- B10% (5)
- C60% (30)
- D6% (3)
Explanation
It restores EBS volumes from snapshot and snapshot is not AZ independent. Two instances means more costs. Also Auto Scaling group with min 1 max 1 IS the preferred method for HA.
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