DynamoDB Questions and Answers

11. Amazon DynamoDB Initial release date?

A. 2011
B. 2012
C. 2013
D. 2014

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12. How many types of secondary indexes does DynamoDB supports?

A. 2
B. 3
C. 4
D. 5

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13. A read capacity unit is a single consistent read per second for items no larger than ?

A. 1KB
B. 2KB
C. 4KB
D. 8KB

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14. Names must conform to a minimum of 3 characters in length, and a maximum of ?

A. 31
B. 63
C. 127
D. 255

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15. Which key also known as the Composite Primary Key?

A. Partition Key
B. Sort Key
C. Both A and B
D. None of the above

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16. Maximum length of String data type is?

A. 200KB
B. 400KB
C. 600KB
D. 800KB

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17. In Action Data Types, which represents PutItem requests?

A. PutRequest
B. TableDescription
C. LocalSecondaryIndex
D. ProvisionedThroughput

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18. DynamoDB uses partitions for data storage.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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19. Which of the following are benefits of using Amazon DynamoDB?

A. It is scalable
B. It provides the users high throughput at very low latency.
C. It is durable and highly available
D. All of the above

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20. Does DynamoDB support in-place atomic updates?

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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