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DBS-C01 · Question #173
DBS-C01 Question #173: Real Exam Question with Answer & Explanation
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Submitted by chiamaka_o· Mar 6, 2026Workload-Specific Database Design
Question
A bank plans to use an Amazon RDS for MySQL DB instance. The database should support read-intensive traffic with very few repeated queries. Which solution meets these requirements?
Options
- ACreate an Amazon ElastiCache cluster. Use a write-through strategy to populate the cache.
- BCreate an Amazon ElastiCache cluster. Use a lazy loading strategy to populate the cache.
- CChange the DB instance to Multi-AZ with a standby instance in another AWS Region.
- DCreate a read replica of the DB instance. Use the read replica to distribute the read traffic.
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Topics
#RDS for MySQL#read scaling#read replicas#performance optimization