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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 361 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02
Question #: 361
Topic #: 1
[All AWS Certified Developer - Associate DVA-C02 Questions]

A developer is writing an application, which stores data in an Amazon DynamoDB table. The developer wants to query the DynamoDB table by using the partition key and a different sort key value. The developer needs the latest data with all recent write operations.

How should the developer write the DynamoDB query?

  • A. Add a local secondary index (LSI) during table creation. Query the LSI by using eventually consistent reads.
  • B. Add a local secondary index (LSI) during table creation. Query the LSI by using strongly consistent reads.
  • C. Add a global secondary index (GSI) during table creation. Query the GSI by using eventually consistent reads.
  • D. Add a global secondary index (GSI) during table creation. Query the GSI by using strongly consistent reads.
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Suggested Answer: B 🗳️
by cachac at June 30, 2024, 6:29 p.m.
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Anandesh
Highly Voted 9 months, 4 weeks ago
Selected Answer: B
GSI - diff part key and sort key | LSI - same part key and diff sort key Strongly consistent - most recent data
upvoted 7 times
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tomchandler077
Most Recent 10 months ago
The correct answer is: B. Local Secondary Index (LSI): An LSI allows you to create an index with a different sort key for the same partition key as the base table. This lets you query the table using the same partition key but with a different sort key. LSIs are created at the same time as the table and cannot be added to an existing table. Strongly consistent reads ensure that you always receive the most up-to-date data after all previous write operations are acknowledged. This is important when the developer needs to ensure they are getting the latest data, as stated in the question.
upvoted 3 times
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[Removed]
10 months ago
Selected Answer: B
Considering developer wants to query by using the same partition key and a different sort key value, so B it's the correct answer
upvoted 2 times
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Alagong
10 months, 1 week ago
Selected Answer: D
ANSWER IS D
upvoted 1 times
albert_kuo
7 months ago
you can only create LSI during table creation
upvoted 1 times
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Alagong
10 months, 1 week ago
ANSWER IS B... NOT D
upvoted 2 times
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cachac
10 months, 1 week ago
Selected Answer: D
Strongly Consistent Reads
upvoted 1 times
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