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Amazon DynamoDB is a fully managed proprietary?

1. Centralised database
2. Commercial database
3. NoSQL database
4. Relational database

✅ Correct Answer: 3

Amazon DynamoDB Initial release date?

1. 2011
2. 2012
3. 2013
4. 2014

✅ Correct Answer: 2

How many types of primary keys does DynamoDB supports?

1. 2
2. 3
3. 4
4. 5

✅ Correct Answer: 1

How many types of secondary indexes does DynamoDB supports?

1. 2
2. 3
3. 4
4. 5

✅ Correct Answer: 1

Which index that has the same partition key as the base table, but a different sort key?

1. Global secondary index
2. Local secondary index
3. Both a and b
4. None of these

✅ Correct Answer: 2

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

1. 1KB
2. 2KB
3. 4KB
4. 8KB

✅ Correct Answer: 3

How many attributes does DynamoDB allows?

1. 5
2. 10
3. 15
4. 20

✅ Correct Answer: 4

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

1. 31
2. 63
3. 12
4. 255

✅ Correct Answer: 4

Expression strings have a _____ limit.

1. 1KB
2. 2KB
3. 4KB
4. 8KB

✅ Correct Answer: 3

Which key also known as the Composite Primary Key?

1. Partition Key
2. Sort Key
3. Both A and B
4. None of these

✅ Correct Answer: 3

Which types represent a single value, and include number, string, binary, Boolean, and null?

1. Scalar
2. Document
3. Set
4. None of the above

✅ Correct Answer: 1

Maximum length of String data type is?

1. 200KB
2. 400KB
3. 600KB
4. 800KB

✅ Correct Answer: 2

In Action Data Types, which represents key table and index schema?

1. Capacity
2. AttributeDefinition
3. PutRequest
4. TableDescription

✅ Correct Answer: 2

In Action Data Types, which represents PutItem requests?

1. PutRequest
2. TableDescription
3. LocalSecondaryIndex
4. ProvisionedThroughput

✅ Correct Answer: 4

DynamoDB offers ________ low-level actions for data reading.

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 4

DynamoDB uses partitions for data storage.

1. TRUE
2. FALSE
3. Can be true or false
4. Can not say

✅ Correct Answer: 1

DynamoDB uses eventually consistent and strongly consistent reads to support dynamic application needs.

1. TRUE
2. FALSE
3. Can be true or false
4. Can not say

✅ Correct Answer: 1

Which of the following are benefits of using Amazon DynamoDB?

1. It is scalable
2. It provides the users high throughput at very low latency. C.
3. It is durable and highly available
4. All of the above

✅ Correct Answer: 4

DynamoDB does not supports Null values.

1. TRUE
2. FALSE
3. Can be true or false
4. Can not say

✅ Correct Answer: 2

Does DynamoDB support in-place atomic updates?

1. TRUE
2. FALSE
3. Can be true or false
4. Can not say

✅ Correct Answer: 1

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