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DOP-C02 · Question #52

DOP-C02 Question #52: Real Exam Question with Answer & Explanation

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Submitted by tom_us· Mar 6, 2026Reliability & Resilience

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

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Topics

#EC2 Auto Scaling#EBS snapshots#Disaster recovery#RTO/RPO
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