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DynamoDB Practice Test Questions
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Avg score: 88% • Most missed: “Tags are not supported by DynamoDB.”
Amazon DynamoDB is a fully managed proprietary NoSQL database offered by Amazon.com as part of the Amazon Web Services portfolio. DynamoDB offers a fast persistent Key-Value Datastore with built-in support for replication, autoscaling, encryption at rest, and on-demand backup among other features. DynamoDB vs MongoDB: MongoDB supports up to 64 mutable indexes per collection, allowing the document's structure to change dynamically. DynamoDB supports up to 20 mutable global indexes per table, which are not compatible with underlying data, and up to 5 local indexes which cannot be modified... Show more
DynamoDB Practice Test Questions
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25 Questions

1. ____ are used by DynamoDB to store data?
2. ____ is a collection of properties that are transferred or anticipated from a table to an index.
3. The usage of reserved words as names is prohibited by DynamoDB?
4. Do Batch writes have the ability to alter things across a single table?
5. ____ must-have elements of the same type, whether they be numbers, strings, or binary.
6. How many types of primary keys does DynamoDB use?
7. Binary and binary set properties supported by the DynamoDB/EMR connection?
8. Partition key and Sort Key are also known as ____?
9. DynamoDB uses which of the following consistent reads to support dynamic application needs?
10. DynamoDB is a ____ database?
11. DynamoDB offers how many ways to conduct operations?
12. Which of the following atomic operation does DynamoDB supports?
13. Tags are not supported by DynamoDB.
14. Does Null values supported by DynamoDB?
15. ____ logs low-level API calls from or for DynamoDB in an account and sends them to an S3 bucket.
16. All local secondary indexes retain partition and sort keys from parent tables by default?
17. Which of the following operation in DynamoDB returns table metadata such as status, size, and indexes?
18. You may generate an access key and a secret key by establishing a user in Amazon IAM (Identity Access Management).
19. DynamoDB often ensures consistency across all copies in less than a second.
20. DynamoDB allows ____ attributes?
21. DynamoDB uses how many types of secondary indexes?
22. ____ service allows you to handle large amounts of data rapidly and effectively?
23. A DynamoDB table has no default TTL value?
24. Global Secondary Index supports which of the following API?
25. Does DynamoDB provide Aggregation functions?

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