
NoSQL Databases Quiz
Authored by Martin Konan
Science
12th Grade

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of NoSQL database is described as having data stored in rows and queries performed via column-based access?
Column-Family
Graph
Document
Key-Value
Answer explanation
Column-Family databases store data in rows and allow queries via column-based access, making it the correct choice for this question.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the data model used in Graph databases to store highly complex and connected data?
Property graph
Key-Value model
Relational model
Document model
Answer explanation
The data model used in Graph databases to store highly complex and connected data is the Property graph.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which use case would a graph database be useful for consolidating disparate data?
Customer 360
IoT and Networking
Personalisation and Recommendation
Security and Fraud Detection
Answer explanation
A graph database would be useful for consolidating disparate data in the use case of Customer 360, where relationships between customers and their interactions need to be analyzed and connected efficiently.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of graph databases when storing, managing, and querying data?
Data speed
Data security
Data volume
Data relationships
Answer explanation
The main focus of graph databases is on storing, managing, and querying data relationships, making them ideal for handling complex interconnections between data points.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using a graph model for security and fraud detection?
Isolation of transactions
Contextual analysis
Data encryption
Real-time monitoring
Answer explanation
The main advantage of using a graph model for security and fraud detection is contextual analysis, which allows for a deeper understanding of relationships and patterns within the data to identify potential security threats.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of NoSQL database is described as having documents in JSON format with each document assigned a single key?
Graph
Document
Column-Family
Key-Value
Answer explanation
Document NoSQL databases store documents in JSON format with each document assigned a single key.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary concern of graph databases when compared to relational databases?
Data storage
Data relationships
Data processing
Data security
Answer explanation
The primary concern of graph databases when compared to relational databases is data relationships, as graph databases excel in storing and querying complex relationships between data entities.
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