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Question 278 - DVA-C01 discussion

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A Developer is writing an application that runs on Amazon EC2 instances in an Auto scaling group.

The application data is stored in an Amazon DynamoDB table and records are constantly updated by all instances. An instance sometimes retrieves old dat a. The Developer wants to correct this by making sure the reads are strongly consistent.

How can the developer accomplish this?

A.
Set consistentRead to true when calling Getitem.
Answers
A.
Set consistentRead to true when calling Getitem.
B.
Create a new DynamoDB Accelerator (DAX) table.
Answers
B.
Create a new DynamoDB Accelerator (DAX) table.
C.
Set consistency to strong when calling Update Table.
Answers
C.
Set consistency to strong when calling Update Table.
D.
Use the Getshardlterator command.
Answers
D.
Use the Getshardlterator command.
Suggested answer: B

Explanation:

Reference: https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.ReadConsistency.html

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asked 16/09/2024
Kyle Roarick
36 questions
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