Cloud Computing und Big Data: Online-Quiz für Wirtschaftsinformatik-Studierende

Question 1

Which of the following is NOT a characteristic of cloud computing?

Accepted Answer

On-premises deployment

Answer

Self-service on demand

Answer

Broad network access

Answer

Resource pooling

Question 2

Which term refers to the vast collection of often unstructured and difficult-to-process data sets?

Accepted Answer

Big data

Answer

Structured data

Answer

NoSQL data

Answer

Object data

Question 3

Which of the following is a key advantage of using cloud computing for big data analytics?

Accepted Answer

Access to specialized analytics tools

Answer

Reduced hardware costs

Answer

Increased data security

Answer

Limited scalability

Question 4

What is the primary purpose of distributed data processing in big data analytics?

Accepted Answer

To increase processing speed and efficiency

Answer

To improve data accuracy

Answer

To enhance data security

Answer

To reduce data storage requirements

Question 5

Which of the following is a commonly used programming language for data science?

Accepted Answer

Python

Answer

C++

Answer

Visual Basic

Answer

Java

Question 6

What is the primary role of data visualization in big data analytics?

Accepted Answer

To present data in a clear and easily understandable manner

Answer

To identify trends and patterns in data

Answer

To perform statistical analysis

Answer

To store and manage large datasets

Question 7

Which of the following is the main advantage of using NoSQL databases in big data analytics?

Accepted Answer

Increased scalability

Answer

Improved data security

Answer

Support for complex data structures

Answer

Simplified data modeling

Question 8

Which of the following terms describes the process of drawing meaningful insights from data?

Accepted Answer

Data mining

Answer

Data warehousing

Answer

Data visualization

Answer

Machine learning

Question 9

Which of the following is NOT a characteristic of cloud computing?

Accepted Answer

Physical ownership of resources

Answer

On-demand self-service

Answer

Broad network access

Answer

Resource pooling

Question 10

What is the primary advantage of using a NoSQL database over a relational database?

Accepted Answer

Higher scalability

Answer

Improved data integrity

Answer

Support for complex data types

Answer

Enhanced query performance

Question 11

Which data visualization tool is commonly used for analyzing and presenting big data?

Accepted Answer

Tableau

Answer

Microsoft Excel

Answer

Google Sheets

Answer

Adobe Photoshop

Question 12

What is the primary function of a data warehouse?

Accepted Answer

Storing historical data for analysis and reporting

Answer

Providing real-time data processing capabilities

Answer

Ensuring data accuracy and consistency

Answer

Improving data security and compliance

Question 13

Which advantage is associated with using cloud-based software?

Accepted Answer

Reduced hardware and infrastructure costs

Answer

Increased control over data security

Answer

Limited options for customizing applications

Answer

Higher maintenance and support requirements

Question 14

What term describes the strategy of using multiple cloud providers for increased resilience and risk mitigation?

Accepted Answer

Multi-cloud

Answer

Cloud migration

Answer

Cloud outsourcing

Answer

Cloud aggregation

Question 15

What is the primary objective of data mining techniques?

Accepted Answer

Identifying hidden patterns and relationships in data

Answer

Improving data quality and accuracy

Answer

Predicting future events and trends

Answer

Streamlining decision-making processes

Question 16

What is the term for an immense collection of data that is too large and complex for traditional processing methods?

Accepted Answer

Big data

Answer

Cloud data

Answer

Structured data

Answer

Unstructured data

Question 17

Which cloud computing service model provides on-demand access to computing resources?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Answer

Data as a Service (DaaS)

Question 18

What is the practice of storing and managing data across multiple physical servers in different locations known as?

Accepted Answer

Data replication

Answer

Cloud storage

Answer

Disaster recovery

Answer

Data clustering

Question 19

Which of the following is NOT a key characteristic of cloud computing?

Accepted Answer

Limited scalability

Answer

On-demand self-service

Answer

Broad network access

Answer

Resource pooling

Question 20

What is the term for a massive collection of structured and unstructured data that can be analyzed to uncover patterns and insights?

Accepted Answer

Data lake

Answer

Data warehouse

Answer

Data cube

Answer

Data mining

Question 21

What is the cloud computing pricing model where consumers pay only for the resources they actually use?

Accepted Answer

Pay-as-you-go

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Question 22

What is the process of converting raw data into a structured and usable format called?

Accepted Answer

Data processing

Answer

Data cleaning

Answer

Data mining

Answer

Data storage

Question 23

What is the term for a distributed computing platform that provides on-demand access to shared computing resources?

Accepted Answer

Cloud computing

Answer

Grid computing

Answer

Cluster computing

Answer

High-performance computing

Question 24

Which of the following is NOT a characteristic of cloud computing?

Accepted Answer

Limited customization options

Answer

On-demand access to computing resources

Answer

Cost-effective pricing

Answer

Scalability

Question 25

What is the process of collecting and consolidating large volumes of data from multiple sources known as?

Accepted Answer

Data aggregation

Answer

Data harvesting

Answer

Data warehousing

Answer

Data exploration

Question 26

What is a potential drawback of utilizing Infrastructure-as-a-Service (IaaS)?

Accepted Answer

Vendor dependency

Answer

Lower expenses

Answer

Greater adaptability

Answer

Improved protection

Question 27

Evaluate the significance of machine learning and artificial intelligence (AI) in big data processing and analysis. Provide specific examples to support your answer.

Accepted Answer

Machine learning algorithms enhance data cleaning and feature engineering, automating these tasks to improve data quality and analysis efficiency.

Accepted Answer

AI techniques empower real-time data analysis and forecasting, enabling businesses to make informed decisions and respond promptly to evolving market conditions.

Answer

Machine learning and AI are not particularly impactful in big data analytics and are primarily employed in small-scale data processing.

Answer

Machine learning and AI enhance data storage and resource management in big data systems.

Question 28

Welche drei Hauptvorteile bietet Cloud Computing?

Accepted Answer

Kosteneffizienz, Skalierbarkeit, erhöhte Sicherheit

Answer

Geringere Latenz, unbegrenzte Speicherkapazität, vollständige Kontrolle

Answer

Plug-and-Play-Integration, sofortige Bereitstellung, unbegrenzter Support

Question 29

Identify a key characteristic of cloud computing:

Accepted Answer

On-demand self-service

Answer

Limited scalability and flexibility

Answer

High upfront investment costs

Answer

Complex hardware and software installation

Question 30

What is a primary advantage of utilizing a public cloud model?

Accepted Answer

Reduced infrastructure and maintenance costs

Answer

Complete control over cloud resources

Answer

Extensive customization options

Answer

Enhanced data security and privacy

Question 31

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

Accepted Answer

Public cloud

Answer

Software-as-a-Service (SaaS)

Answer

Infrastructure-as-a-Service (IaaS)

Answer

Platform-as-a-Service (PaaS)

Question 32

What is a primary reason for the growing significance of Big Data in business:

Accepted Answer

Enhanced decision-making and competitive advantage

Answer

Simplified data management

Answer

Improved customer service experience

Answer

Reduced operational costs

Question 33

What is the primary function of Hadoop in the context of Big Data processing?

Accepted Answer

Distributed data storage and processing

Answer

Cloud resource management

Answer

Machine learning and AI algorithms

Answer

Data visualization and analytics

Question 34

When considering cloud-based data storage, a key aspect to focus on is:

Accepted Answer

Data durability and security

Answer

Easy accessibility for users

Answer

High network bandwidth

Answer

Cost optimization

Question 35

What is the primary role of data scientists in the context of cloud computing and Big Data?

Accepted Answer

Analyzing, interpreting, and extracting insights from vast datasets

Answer

Developing and deploying cloud applications

Answer

Managing and operating cloud infrastructure

Answer

Ensuring data security and compliance

Question 36

Which of the following is **not** a benefit of using cloud computing?

Accepted Answer

Guaranteed data security

Answer

Improved scalability

Answer

Reduced costs

Answer

Enhanced collaboration

Question 37

Which cloud service model provides users with the most control over underlying infrastructure?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Function as a Service (FaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Question 38

What are the four key characteristics commonly associated with Big Data?

Accepted Answer

Volume, Velocity, Variety, Value

Answer

Size, Complexity, Difficulty, Impossibility

Answer

Speed, Efficiency, Reliability, Security

Answer

Cost, Scalability, Flexibility, Accessibility

Question 39

Which of the following is **not** a tool commonly used for analyzing Big Data?

Accepted Answer

Microsoft Excel

Answer

Hadoop

Answer

Spark

Question 40

What is the primary role of a data scientist in the field of cloud computing and Big Data?

Accepted Answer

To derive insights and value from data

Answer

To design and implement cloud infrastructure

Answer

To manage and maintain Big Data systems

Question 41

Which of the following is a common challenge associated with Big Data management?

Accepted Answer

Data privacy and security concerns

Answer

Effortless data integration

Answer

Guaranteed cost-effectiveness

Answer

Simplified data visualization

Question 42

What is the main purpose of utilizing a cloud-based data warehouse?

Accepted Answer

To centralize and manage vast quantities of data

Answer

To provide real-time data analytics

Answer

To develop and deploy machine learning models

Question 43

What is the term for the process of transferring data from local systems to the cloud?

Accepted Answer

Cloud migration

Answer

Data mining

Answer

Data virtualization

Answer

Data warehousing

Question 44

What is the name of the cloud computing model that provides users with access to virtualized computing resources on demand?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Software as a Service (SaaS)

Answer

Business Process as a Service (BPaaS)

Answer

Platform as a Service (PaaS)

Question 45

What is the purpose of data analytics in Big Data management?

Accepted Answer

To extract valuable insights and patterns from data

Answer

To process and cleanse data

Answer

To store and organize large amounts of data

Question 46

Which of the following is a tool commonly used for data visualization in Big Data?

Accepted Answer

Tableau

Answer

Google Sheets

Answer

Microsoft Excel

Answer

Notepad

Question 47

What is the term for the process of converting unstructured data into a structured format?

Accepted Answer

Data wrangling

Answer

Data visualization

Answer

Data analysis

Answer

Data mining

Question 48

Which of the following is a key challenge associated with Big Data management?

Accepted Answer

Data security and privacy

Answer

Data visualization effectiveness

Answer

Data processing efficiency

Answer

Data storage limitations

Question 49

What is the term for a distributed computing system that processes large amounts of data in parallel?

Accepted Answer

Hadoop

Answer

Cassandra

Answer

Apache Spark

Answer

MongoDB

Question 50

Which of the following is a potential application of data science in the financial industry?

Accepted Answer

Fraud detection

Answer

Natural language processing

Answer

Web development

Answer

Software testing

Question 51

What is the name of the statistical technique used to identify relationships between variables in Big Data?

Accepted Answer

Correlation analysis

Answer

Time series analysis

Answer

Factor analysis

Answer

Regression analysis

Question 52

Which of the following is NOT a type of cloud deployment model?

Accepted Answer

On-premise

Answer

Public

Answer

Private

Answer

Hybrid

Question 53

What is the term used to describe vast amounts of data generated from various sources?

Accepted Answer

Big Data

Answer

Data Science

Answer

Cloud

Answer

Machine Learning

Question 54

Which of the following is a characteristic of Big Data?

Accepted Answer

Volume

Answer

Low Velocity

Answer

Simplicity

Question 55

How does cloud computing contribute to Big Data management?

Accepted Answer

Provides scalable and cost-efficient storage and processing capabilities

Answer

Replaces traditional databases

Answer

Is only suitable for small data sets

Question 56

Which of the following is an advantage of using cloud computing for Big Data?

Accepted Answer

Increased flexibility and scalability

Answer

Higher maintenance costs

Answer

Lower data security

Answer

Increased latency

Question 57

What is the term for the field that involves using statistical and analytical methods to extract insights from data?

Accepted Answer

Data Science

Answer

Machine Learning

Answer

Cloud Computing

Answer

Data Mining

Question 58

Which skill is essential for a Data Scientist?

Accepted Answer

Statistical analysis

Answer

Cloud architecture

Answer

Web development

Answer

Java programming

Question 59

How does Big Data contribute to informed decision-making in businesses?

Accepted Answer

Provides data-driven insights to support decision-making

Answer

Replaces the need for human judgment

Answer

Is only useful for large companies

Question 60

What is the term for the process of preparing raw data for analysis?

Accepted Answer

Data preprocessing

Answer

Cloud computing

Answer

Data mining

Answer

Machine learning