Cloud Storage and Databases: A Comprehensive Guide for Data Science

Question 1

Which storage type is NOT offered by cloud services?

Accepted Answer

Relational database storage

Answer

Object storage

Answer

Block storage

Answer

File storage

Question 2

Which cloud database service is specifically designed to handle high-volume, low-latency data processing workloads?

Accepted Answer

Google Cloud Bigtable

Answer

Amazon RDS

Answer

Microsoft Azure SQL Managed Instance

Answer

MongoDB Atlas

Question 3

Which NoSQL database type is designed to store data in wide columns, making it suitable for certain types of data analysis?

Accepted Answer

Cassandra

Answer

MongoDB

Answer

DynamoDB

Answer

Redis

Question 4

Which of the following is NOT a type of cloud storage?

Accepted Answer

Relational Database

Answer

Object Storage

Answer

Block Storage

Answer

File Storage

Question 5

Which of the following is NOT a type of cloud storage service?

Accepted Answer

Relational database

Answer

Object storage

Answer

Block storage

Answer

File storage

Question 6

Which cloud storage service is best suited for storing large, unstructured data?

Accepted Answer

Amazon S3

Answer

Amazon EBS

Answer

Amazon RDS

Answer

Google Cloud Bigtable

Question 7

Which type of cloud storage is optimized for storing virtual machine disk images?

Accepted Answer

Block storage

Answer

Object storage

Answer

File storage

Answer

Relational database

Question 8

Which of the following is a type of relational database management system (RDBMS)?

Accepted Answer

MySQL

Answer

MongoDB

Answer

Cassandra

Answer

DynamoDB

Question 9

How does partitioning data enhance the performance and scalability of cloud databases?

Accepted Answer

Reduces query response time by accessing less data.

Answer

Minimizes storage costs by eliminating duplicate data.

Answer

Enhances data security by isolating sensitive information.

Question 10

What type of cloud storage is optimal for storing unstructured data in large volumes, such as images, videos, and logs?

Accepted Answer

Object storage

Answer

Block storage

Answer

File storage

Answer

Relational database

Question 11

Which cloud database service model offers a fully managed experience, where the provider handles all database administration tasks?

Accepted Answer

Database as a Service (DaaS)

Answer

Platform as a Service (PaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Software as a Service (SaaS)

Question 12

Which feature is a defining characteristic of NoSQL databases?

Accepted Answer

Schema-less data model

Answer

Exceptional horizontal scalability

Answer

Support for ACID transactions

Answer

Use of a relational data model

Question 13

What is the primary purpose of a data lake in the context of cloud computing?

Accepted Answer

Storing and processing vast amounts of diverse data, both structured and unstructured

Answer

Providing real-time analytics capabilities

Answer

Managing relational databases

Answer

Performing cloud storage backups

Question 14

What is the primary distinction between a relational database and a key-value store?

Accepted Answer

Data structure and organization

Answer

Query language and syntax

Answer

Scalability and performance

Answer

Transaction support capabilities

Question 15

What is the primary purpose of a cloud data warehouse?

Accepted Answer

Storing and analyzing large quantities of historical data for insights

Answer

Providing real-time data processing capabilities

Answer

Managing operational databases

Answer

Backing up data stored in the cloud

Question 16

Which key advantage sets object storage apart from other storage types, making it particularly suitable for handling certain data types?

Accepted Answer

Object storage excels in handling vast amounts of unstructured data, making it ideal for applications like media streaming and data analytics.

Answer

Object storage is optimized for storing large volumes of structured data, such as relational databases.

Answer

Object storage provides fine-grained access control for enhanced data security management.

Answer

Object storage offers superior performance compared to other storage types, ensuring faster data access and retrieval.

Question 17

Which type of cloud database is designed for storing structured data?

Accepted Answer

Relational database

Answer

NoSQL database

Answer

Object database

Answer

Graph database

Question 18

Which of the following is a popular cloud-based NoSQL database service?

Accepted Answer

MongoDB

Answer

MySQL

Answer

Cassandra

Answer

PostgreSQL

Question 19

For storing a large number of small, unstructured files, which cloud storage type is most suitable?

Accepted Answer

Object storage

Answer

Block storage

Answer

File storage

Answer

Relational database

Question 20

Which cloud storage type is optimized for storing static content like images and videos?

Accepted Answer

Object storage

Answer

Block storage

Answer

File storage

Question 21

Which of the following is NOT a primary type of cloud storage?

Accepted Answer

Tape storage

Answer

Object storage

Answer

File storage

Answer

Block storage

Question 22

Which cloud database service model offers the most advanced querying capabilities and data integrity guarantees?

Accepted Answer

Relational databases

Answer

Key-value databases

Answer

Document databases

Question 23

Which cloud storage service is optimal for storing vast amounts of unstructured data, such as photos or videos?

Accepted Answer

Object storage

Answer

Block storage

Answer

File storage

Answer

Relational storage

Question 24

Which key feature distinguishes NoSQL databases from traditional relational databases?

Accepted Answer

Schema flexibility

Answer

Strong consistency

Answer

High availability

Answer

Data integrity

Question 25

Which cloud storage service is most appropriate for storing data that requires frequent access and low latency?

Accepted Answer

Block storage

Answer

Tape storage

Answer

Object storage

Answer

File storage

Question 26

When designing a cloud storage architecture, which best practice should be prioritized?

Accepted Answer

Using a multi-tiered approach

Answer

Ignoring data retention policies

Answer

Storing all data in a single storage type

Answer

Overprovisioning storage capacity

Question 27

Which cloud database service is specifically designed for handling large-scale data analytics workloads?

Accepted Answer

Bigtable

Answer

Firestore

Answer

Spanner

Answer

MySQL

Question 28

Which of the following is a potential limitation to consider when using cloud storage services?

Accepted Answer

Vendor lock-in

Answer

Cost-effectiveness

Answer

Reliability

Answer

Scalability

Question 29

What is the primary purpose of a cloud database management system?

Accepted Answer

Providing centralized management and monitoring for cloud databases

Answer

Ensuring data consistency across multiple databases

Answer

Storing data in a relational format

Question 30

Which of the following is NOT explicitly considered a type of cloud storage?

Accepted Answer

Relational database

Answer

Block storage

Answer

Object storage

Answer

File storage

Question 31

Which cloud database service model is primarily designed for handling structured data with predefined schemas?

Accepted Answer

RDBMS

Answer

Graph database

Answer

NewSQL

Answer

NoSQL

Question 32

Which cloud storage service is commonly optimized for storing static website content and delivering it to end-users?

Accepted Answer

Amazon S3

Answer

Amazon EC2

Answer

Amazon RDS

Question 33

Which feature of a cloud database service enables it to automatically adjust resource allocation based on demand?

Accepted Answer

Auto-scaling

Answer

Data encryption

Answer

Disaster recovery

Answer

High availability

Question 34

Which best practice is recommended when designing a cloud storage architecture to ensure optimal performance and efficiency?

Accepted Answer

Utilizing a combination of specialized storage types tailored to specific data needs

Answer

Storing all data in a single, generic storage system for simplicity

Answer

Ignoring data security and compliance requirements in favor of convenience

Answer

Neglecting performance optimization techniques to minimize costs

Question 35

Which cloud storage type provides the most suitable solution for storing a large collection of audio and video files?

Accepted Answer

Object storage

Answer

File storage

Answer

Block storage

Answer

Relational database

Question 36

Identify the cloud database service that is renowned for its NoSQL architecture, offering flexibility in schema design and impressive scalability.

Accepted Answer

MongoDB

Answer

MySQL

Answer

PostgreSQL

Answer

Oracle Database

Question 37

For applications that demand adherence to ACID (Atomicity, Consistency, Isolation, Durability) properties, which type of cloud database service is the most appropriate choice?

Accepted Answer

Relational database

Answer

Key-value store

Answer

Document database

Answer

NoSQL database

Question 38

What is the primary purpose of implementing a data replication strategy in cloud storage systems?

Accepted Answer

Ensuring data availability and minimizing the risk of data loss

Answer

Enhancing performance and responsiveness

Answer

Reducing operational costs

Question 39

Which cloud database service stands out for its serverless architecture, eliminating the need for dedicated infrastructure management?

Accepted Answer

AWS DynamoDB

Answer

Microsoft Azure SQL Database

Answer

IBM Cloudant

Answer

Google Cloud SQL

Question 40

When selecting between an object storage service and a file storage service in the cloud, which factor is most critical to consider?

Accepted Answer

The nature of the data being stored and the desired data access patterns

Answer

The pricing structure of the service

Answer

The level of security features provided

Question 41

For optimizing the performance of a cloud-based relational database, which practice is most effective?

Accepted Answer

Implementing appropriate indexing strategies and optimizing queries

Answer

Provisioning a larger storage capacity

Answer

Disabling caching mechanisms

Answer

Increasing the number of database instances

Question 42

Which of the following is NOT a storage type offered by cloud storage services?

Accepted Answer

Database Storage

Answer

File Storage

Answer

Object Storage

Answer

Block Storage

Question 43

Which type of cloud storage is the most suitable choice for storing and retrieving large media files, such as videos or images?

Accepted Answer

Object Storage

Answer

Block Storage

Answer

Database Storage

Answer

File Storage

Question 44

Which of the following is a defining characteristic of a relational database management system (RDBMS)?

Accepted Answer

Stores data in tables with rows and columns, and enforces relationships between data using primary and foreign keys.

Answer

Is schema-less and flexible, allowing for easy addition of new data types and fields.

Answer

Supports horizontal scaling by distributing data across multiple servers, enabling high throughput and concurrency.

Answer

Uses key-value pairs to store data, providing fast retrieval based on key lookups.

Question 45

Which type of database is best suited for handling large volumes of unstructured data, such as social media posts or sensor data?

Accepted Answer

NoSQL Database

Answer

Relational Database

Answer

Graph Database

Question 46

Which of the following is a cloud database service offered by Amazon Web Services (AWS)?

Accepted Answer

Amazon DynamoDB

Answer

Google Cloud Bigtable

Answer

Azure Cosmos DB

Answer

Redis Enterprise Cloud

Question 47

Which of the following is a best practice when designing a cloud storage system?

Accepted Answer

Use a combination of storage types (object, block, file) to optimize cost and performance based on data characteristics and access patterns.

Answer

Store all data in a single storage type for simplicity and ease of management.

Answer

Overprovision storage capacity by a significant margin to avoid potential bottlenecks and ensure uninterrupted service.

Question 48

What is the key distinction between a primary key and a foreign key in a relational database?

Accepted Answer

A primary key uniquely identifies each row in a table, while a foreign key references the primary key of another table, establishing a relationship between data.

Answer

A primary key can be null, while a foreign key cannot be null.

Answer

A primary key can have duplicate values, while a foreign key cannot have duplicate values.

Question 49

Which of the following is **not** a type of cloud storage?

Accepted Answer

Network storage

Answer

Block storage

Answer

Object storage

Answer

File storage

Question 50

Which type of cloud database service is most appropriate for storing large amounts of **unstructured** data?

Accepted Answer

NoSQL database

Answer

In-memory database

Answer

Graph database

Answer

Relational database

Question 51

Which technology provides high durability and availability of stored data by utilizing data redundancy?

Accepted Answer

RAID storage

Answer

NVMe storage

Answer

HDD storage

Answer

SSD storage

Question 52

Which cloud storage service is designed to store and retrieve **large, immutable** objects efficiently?

Accepted Answer

Object storage

Answer

Block storage

Answer

Relational database

Answer

File storage

Question 53

Which of the following is a key advantage of using cloud databases?

Accepted Answer

Scalability

Answer

Complex management

Answer

Limited storage capacity

Answer

High cost

Question 54

Which cloud storage service is the most suitable option for storing virtual machine backups due to its block-level data access?

Accepted Answer

Block storage

Answer

Object storage

Answer

File storage

Question 55

Which of the following is a widely used relational database management system for cloud environments?

Accepted Answer

MySQL

Answer

MongoDB

Answer

Cassandra

Answer

Elasticsearch

Question 56

Which cloud database service provides continuous, real-time data replication across multiple geographic regions?

Accepted Answer

DynamoDB

Answer

MySQL

Answer

PostgreSQL

Answer

SQL Server

Question 57

Which cloud storage service is optimized for storing **unstructured** data such as photos, videos, and audio files?

Accepted Answer

Object storage

Answer

Block storage

Answer

File storage

Answer

Relational database