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Exam AWS Certified Solutions Architect - Professional SAP-C02 topic 1 question 472 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional SAP-C02
Question #: 472
Topic #: 1
[All AWS Certified Solutions Architect - Professional SAP-C02 Questions]

A solutions architect must implement a multi-Region architecture for an Amazon RDS for PostgreSQL database that supports a web application. The database launches from an AWS CloudFormation template that includes AWS services and features that are present in both the primary and secondary Regions.

The database is configured for automated backups, and it has an RTO of 15 minutes and an RPO of 2 hours. The web application is configured to use an Amazon Route 53 record to route traffic to the database.

Which combination of steps will result in a highly available architecture that meets all the requirements? (Choose two.)

  • A. Create a cross-Region read replica of the database in the secondary Region. Configure an AWS Lambda function in the secondary Region to promote the read replica during a failover event.
  • B. In the primary Region, create a health check on the database that will invoke an AWS Lambda function when a failure is detected. Program the Lambda function to recreate the database from the latest database snapshot in the secondary Region and update the Route 53 host records for the database.
  • C. Create an AWS Lambda function to copy the latest automated backup to the secondary Region every 2 hours.
  • D. Create a failover routing policy in Route 53 for the database DNS record. Set the primary and secondary endpoints to the endpoints in each Region.
  • E. Create a hot standby database in the secondary Region. Use an AWS Lambda function to restore the secondary database to the latest RDS automatic backup in the event that the primary database fails.
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Suggested Answer: AD 🗳️
by CMMC at March 19, 2024, 4:12 p.m.
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AzureDP900
5 months, 2 weeks ago
Here's a breakdown of the correct steps: Step A: Cross-Region Read Replica: Create a cross-Region read replica of the database in the secondary Region. This ensures continuous data replication between Regions, minimizing data loss and ensuring business continuity. Step D: Failover Routing Policy: Create a failover routing policy in Route 53 for the database DNS record. Set the primary and secondary endpoints to the endpoints in each Region. This allows for swift failover to the standby database in case of a failure. These two steps together ensure: Continuous data replication between Regions, minimizing data loss and ensuring business continuity. Swift failover to the standby database in case of a failure, with minimal disruption to services.
upvoted 1 times
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trungtd
10 months, 3 weeks ago
Selected Answer: AD
Classic question
upvoted 2 times
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Russs99
1 year, 1 month ago
Selected Answer: AD
Option C involves copying the latest automated backup to the secondary Region every 2 hours, which does not provide a standby database instance and may not meet the RTO requirement.
upvoted 1 times
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Dgix
1 year, 1 month ago
Selected Answer: AD
A is required to meet the RTO as well as the RPO. B will not meet the RTO. C meets the RPO but doesn't handle failover D handles failover E is incomplete and says nothing of how backups arrive in the secondary region and will most likely not meet the RTO.
upvoted 2 times
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CMMC
1 year, 1 month ago
Selected Answer: AD
cross region read replicate at secondary region, promote during failover, together with Route 53 failover routing policy
upvoted 2 times
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