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DynamoDB MCQ Questions
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1. Amazon DynamoDB is a fully managed proprietary?
Centralised database
Commercial database
NoSQL database
Relational database
2. Amazon DynamoDB Initial release date?
2011
2012
2013
2014
3. How many types of primary keys does DynamoDB supports?
2
3
4
5
4. How many types of secondary indexes does DynamoDB supports?
2
3
4
5
5. Which index that has the same partition key as the base table, but a different sort key?
Global secondary index
Local secondary index
Both a and b
None of these
6. A read capacity unit is a single consistent read per second for items no larger than ?
1KB
2KB
4KB
8KB
7. How many attributes does DynamoDB allows?
5
10
15
20
8. Names must conform to a minimum of 3 characters in length, and a maximum of ?
31
63
12
255
9. Expression strings have a _____ limit.
1KB
2KB
4KB
8KB
10. Which key also known as the Composite Primary Key?
Partition Key
Sort Key
Both A and B
None of these
11. Which types represent a single value, and include number, string, binary, Boolean, and null?
Scalar
Document
Set
None of the above
12. Maximum length of String data type is?
200KB
400KB
600KB
800KB
13. In Action Data Types, which represents key table and index schema?
Capacity
AttributeDefinition
PutRequest
TableDescription
14. In Action Data Types, which represents PutItem requests?
PutRequest
TableDescription
LocalSecondaryIndex
ProvisionedThroughput
15. DynamoDB offers ________ low-level actions for data reading.
1
2
3
4
16. DynamoDB uses partitions for data storage.
TRUE
FALSE
Can be true or false
Can not say
17. DynamoDB uses eventually consistent and strongly consistent reads to support dynamic application needs.
TRUE
FALSE
Can be true or false
Can not say
18. Which of the following are benefits of using Amazon DynamoDB?
It is scalable
It provides the users high throughput at very low latency. C.
It is durable and highly available
All of the above
19. DynamoDB does not supports Null values.
TRUE
FALSE
Can be true or false
Can not say
20. Does DynamoDB support in-place atomic updates?
TRUE
FALSE
Can be true or false
Can not say
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