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Question 345 - DVA-C01 discussion

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A company is managing a NoSQL database on-premises to host a critical component of an application, which is starting to have scaling issues. The company wants to migrate the application to Amazon DynamoDB with the following considerations:

• Optimize frequent queries

• Reduce read latencies

• Plan for frequent queries on certain key attributes of the table

Which solution would help achieve these objectives?

A.
Create global secondary indexes on keys that are frequently queried Add the necessary attributes into the indexes.
Answers
A.
Create global secondary indexes on keys that are frequently queried Add the necessary attributes into the indexes.
B.
Create local secondary indexes on keys that are frequently queried DynamoDB will fetch needed attributes from the table .
Answers
B.
Create local secondary indexes on keys that are frequently queried DynamoDB will fetch needed attributes from the table .
C.
Create DynamoDB global tables to speed up query responses Use a scan to fetch data from the table.
Answers
C.
Create DynamoDB global tables to speed up query responses Use a scan to fetch data from the table.
D.
Create an AWS Auto Scaling policy for the DynamoDB table
Answers
D.
Create an AWS Auto Scaling policy for the DynamoDB table
Suggested answer: A
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asked 16/09/2024
Musoke Kamuzze
36 questions
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