Exam AWS Certified DevOps Engineer - Professional DOP-C02 topic 1 question 255 discussion

Exam question from Amazon's AWS Certified DevOps Engineer - Professional DOP-C02

Question #: 255
Topic #: 1

[All AWS Certified DevOps Engineer - Professional DOP-C02 Questions]

A company needs a strategy for failover and disaster recovery of its data and application. The application uses a MySQL database and Amazon EC2 instances. The company requires a maximum RPO of 2 hours and a maximum RTO of 10 minutes for its data and application at all times.

Which combination of deployment strategies will meet these requirements? (Choose two.)

A. Create an Amazon Aurora Single-AZ cluster in multiple AWS Regions as the data store. Use Aurora's automatic recovery capabilities in the event of a disaster.
B. Create an Amazon Aurora global database in two AWS Regions as the data store. In the event of a failure, promote the secondary Region to the primary for the application. Update the application to use the Aurora cluster endpoint in the secondary Region.
C. Create an Amazon Aurora cluster in multiple AWS Regions as the data store. Use a Network Load Balancer to balance the database traffic in different Regions.
D. Set up the application in two AWS Regions. Use Amazon Route 53 failover routing that points to Application Load Balancers in both Regions. Use health checks and Auto Scaling groups in each Region.
E. Set up the application in two AWS Regions. Configure AWS Global Accelerator to point to Application Load Balancers (ALBs) in both Regions. Add both ALBs to a single endpoint group. Use health checks and Auto Scaling groups in each Region.

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Suggested Answer: BD 🗳️

by xdkonorek2 at July 6, 2024, 7:13 a.m.

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GripZA

4 months ago

Selected Answer: BD

B - With the Amazon Aurora Global Database feature, you set up multiple Aurora DB clusters that span multiple AWS Regions. Aurora automatically synchronizes all changes made in the primary DB cluster to one or more secondary clusters. An Aurora global database has a primary DB cluster in one Region, and up to five secondary DB clusters in different Regions. This multi-Region configuration provides fast recovery from the rare outage that might affect an entire AWS Region. Having a full copy of all your data in multiple geographic locations also enables low-latency read operations for applications that connect from widely separated locations around the world. D - Failover routing lets you route traffic to a resource when the resource is healthy or to a different resource when the first resource is unhealthy. The primary and secondary records can route traffic to anything from an Amazon S3 bucket that is configured as a website to a complex tree of records.

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