DOP-C02 · Question #441
DOP-C02 Question #441: Real Exam Question with Answer & Explanation
The correct answer is A: ALB in each Region with Auto Scaling groups; Aurora global database with read replicas; Route. ALBs with Auto Scaling across AZs ensure high availability in each Region. Aurora global database supports cross-Region read replicas with low latency for reads and is recommended for multi-Region high availability. Route 53 latency-based routing sends users to the closest Region
Question
A company's web app runs on EC2 with a relational database. The company wants highly available multi-Region architecture with latency-based routing for global customers. Which solution meets these requirements?
Options
- AALB in each Region with Auto Scaling groups; Aurora global database with read replicas; Route
- BALB in each Region with Auto Scaling groups; RDS primary in one Region with read replicas in
- CElastic Beanstalk with ALB in each Region; Aurora global database with read replicas; CloudFront
- DElastic Beanstalk with ALB in each Region; RDS primary in one Region with read replicas;
Explanation
ALBs with Auto Scaling across AZs ensure high availability in each Region. Aurora global database supports cross-Region read replicas with low latency for reads and is recommended for multi-Region high availability. Route 53 latency-based routing sends users to the closest Region. RDS without global database (Options B, D) has higher replication lag and less resilience. Using CloudFront in front of ALBs (Options C and D) adds caching but is not required for latency- based routing and increases complexity.
Topics
Community Discussion
No community discussion yet for this question.