Amazon
DBS-C01 · Question #315
An advertising company is developing a backend for a bidding platform. The company needs a cost-effective datastore solution that will accommodate a sudden increase in the volume of write…
The correct answer is C. Amazon DynamoDB table with DynamoDB auto scaling. https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Streams.html
Submitted by viktor_hu· Mar 6, 2026Workload-Specific Database Design
Question
An advertising company is developing a backend for a bidding platform. The company needs a cost-effective datastore solution that will accommodate a sudden increase in the volume of write transactions. The database also needs to make data changes available in a near real-time data stream. Which solution will meet these requirements?
Options
- AAmazon Aurora MySQL Multi-AZ DB cluster
- BAmazon Keyspaces (for Apache Cassandra)
- CAmazon DynamoDB table with DynamoDB auto scaling
- DAmazon DocumentDB (with MongoDB compatibility) cluster with a replica instance in a second
How the community answered
(18 responses)- A17% (3)
- B6% (1)
- C44% (8)
- D33% (6)
Explanation
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Streams.html
Topics
#database selection#bursty writes#real-time data stream#cost-effective
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