Task Statement 3.3: Implement Automated Recovery Processes to Meet RTO and RPO Requirements. DOP-C02 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   When testing failover for an Amazon RDS Multi-AZ deployment, what is the primary behavior you should verify?

   • AThe database is replicated to a different Region.
   • BThe database changes its endpoint to a new DNS name.
   • CThe database is restored from the latest snapshot.
   • DThe database automatically fails over to the standby in another Availability Zone.
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   Which AWS feature protects an Amazon S3 object from accidental deletion or overwrite by retaining multiple versions of the object?

   • AS3 Server-Side Encryption
   • BS3 Cross-Region Replication
   • CS3 Versioning
   • DS3 Lifecycle policies
   Reveal Solution Discussion Select an answer first
4. 8expert · hard

   A company runs a stateful application on EC2 instances behind a Network Load Balancer (NLB). The application stores session state locally on each instance. The operations team wants to automatically recover from instance failures, but they are concerned about losing session data. Which approach should they take?

   • AUse an Application Load Balancer instead of an NLB to get built-in session replication.
   • BUse an Auto Scaling group with a health check grace period and store session state in an external data store like ElastiCache or DynamoDB.
   • CEnable sticky sessions on the NLB target group and increase the deregistration delay.
   • DConfigure the NLB health check to use a deep health check that verifies session data integrity.
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   What is the correct sequence of steps when executing a disaster recovery plan?

   • AValidate functionality, restore data, redeploy infrastructure
   • BRestore data, validate functionality, redeploy infrastructure
   • CRestore data, redeploy infrastructure, validate functionality
   • DRedeploy infrastructure, restore data, validate functionality
   Reveal Solution Discussion Select an answer first
6. 10expert · hard

   A company runs a global web application behind Amazon CloudFront with an origin in us-east-1. The application also has a secondary origin in eu-west-1. The company wants to test regional failover by simulating an outage of the primary origin, but they must not impact live users. Which approach should they use?

   • AChange the origin failover configuration on the production distribution to use eu-west-1 as the primary origin.
   • BCreate a separate CloudFront distribution with the same origins and use a test domain to validate failover behavior.
   • CUse Route 53 to point the production domain to eu-west-1 temporarily.
   • DDisable the us-east-1 origin in the production distribution and monitor the failover.
   Reveal Solution Discussion Select an answer first