DynamoDB MCQ Questions And Answers

DynamoDB MCQs : This section focuses on "Basics" of DynamoDB. These Multiple Choice Questions (MCQ) should be practiced to improve the DynamoDB skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. Amazon DynamoDB is a fully managed proprietary?

A. Centralised database
B. Commercial database
C. NoSQL database
D. Relational database

View Answer


2. How many types of primary keys does DynamoDB supports?

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

View Answer


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

A. Global secondary index
B. Local secondary index
C. Both A and B
D. None of the above

View Answer


4. How many attributes does DynamoDB allows?

A. 5
B. 10
C. 15
D. 20

View Answer


5. Expression strings have a _____ limit.

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

View Answer


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

A. Scalar
B. Document
C. Set
D. None of the above

View Answer


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

A. Capacity
B. AttributeDefinition
C. PutRequest
D. TableDescription

View Answer


8. DynamoDB offers ________ low-level actions for data reading.

A. 1
B. 2
C. 3
D. 4

View Answer


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

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

View Answer


10. DynamoDB does not supports Null values.

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

View Answer





Discussion


* You must be logged in to add comment.