Amazon Exam DBS-C01 Topic 5 Question 52 Discussion

Actual exam question for Amazon's DBS-C01 exam

Question #: 52
Topic #: 5

A business that specializes in internet advertising is developing an application that will show adverts to its customers. The program stores data in an Amazon DynamoDB database. Additionally, the application caches its reads using a DynamoDB Accelerator (DAX) cluster. The majority of reads come via the GetItem and BatchGetItem queries. The application does not need consistency of readings.

The application cache does not behave as intended after deployment. Specific extremely consistent queries to the DAX cluster are responding in several milliseconds rather than microseconds.

How can the business optimize cache behavior in order to boost application performance?

AIncrease the size of the DAX cluster.

BConfigure DAX to be an item cache with no query cache

CUse eventually consistent reads instead of strongly consistent reads.

DCreate a new DAX cluster with a higher TTL for the item cache.

Show Suggested Answer

Suggested Answer: C

by Thaddeus at May 10, 2022, 01:40 AM

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