Digital Infrastructure Overview Quiz

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Questions and Answers

Which of the following is NOT explicitly listed as a component required for the operation of Spotify?

Recommendation Engine

User Interface

Music Database

Digital Infrastructure (correct)

According to the slides, what is a key characteristic of a digital infrastructure?

Shared and open (correct)

Technical system with limited IT capabilities

Homogeneous and static

Closed and proprietary

Which component is specifically identified as necessary for the operation of a robotic vacuum cleaner?

Payment Gateway

Remote Control (correct)

Music Database

Recommendation Engine

What is the primary focus of the topics discussed in the presentation?

Digital Infrastructure and Platform-based Ecosystems. Signup and view all the answers

What term best describes the nature of a digital infrastructure as defined in the presentation?

A socio-technical system. Signup and view all the answers

Within the context of the slide 'Digitale Infrastrukturen', which term is used to describe the technical capabilities of the system?

IT Capabilities Signup and view all the answers

A digital infrastructure is described as 'evolving'. What does this imply?

It changes and adapts over time. Signup and view all the answers

Which of the following is NOT mentioned as a data component?

User Interface Signup and view all the answers

According to the provided images, what was the first web browser for mobile devices?

PocketWeb Signup and view all the answers

In the images shown, what is the name of the faculty member mentioned?

Prof. Dr. Stefan Seidel Signup and view all the answers

Based on the image information, what year are the presentation slides for?

2024/25 Signup and view all the answers

According to the content, what is the name of the institute mentioned?

Cologne Institute for IS Signup and view all the answers

The content shows an image related to the first ever FTP transfer. In what year did this occur?

1994 Signup and view all the answers

What is a key function of digital infrastructures, according to the text?

Enabling digital innovation Signup and view all the answers

What type of academic session is mentioned in the images?

Winter Semester Signup and view all the answers

Which of the following is NOT specified as a service included within the internet?

Cloud storage Signup and view all the answers

What is the license associated with the image showing the first FTP transfer?

CC BY-SA 3.0 Signup and view all the answers

What core function do Modular Layered Architectures facilitate?

Logical separation of abstraction levels Signup and view all the answers

The image of the first web browser for mobile devices is sourced from which organization?

TECO, KIT Signup and view all the answers

What is the primary benefit of platform-based ecosystems?

Enabling transactions and networks Signup and view all the answers

According to the provided document, who authored 'Platform revolution: How networked markets are transforming the economy and how to make them work for you'?

Parker, Van Alstyne & Choudary Signup and view all the answers

According to Porter's Five Forces model, which force is directly related to the power of a company's sources of materials and services?

Bargaining power of suppliers Signup and view all the answers

Which publication is NOT listed in the sources?

Communications of the ACM Signup and view all the answers

According to Porter's Five Forces, what does the term ‘Bargaining Power of Customers’ refer to?

The impact of customers on industry profit margins. Signup and view all the answers

Which of these concepts is presented as being enabled by platform-based ecosystems?

Network effects Signup and view all the answers

According to the document, what type of system facilitates the logical separation of different abstraction levels?

Modular Layered Architectures Signup and view all the answers

In the context of Porter's Five Forces, which factor does the internet primarily exacerbate?

The intensity of competitive rivalry Signup and view all the answers

How has the internet impacted the ease with which customers can find more affordable businesses?

It has made it easier. Signup and view all the answers

What is the primary way that competition intensifies due to the internet?

Primarily through price competition. Signup and view all the answers

What is one impact of the internet on substitue products and services, according to the text?

It enables the development of new substitutes. Signup and view all the answers

Which of the following best describes how the internet influences industry entry barriers?

It lowers them by creating standards. Signup and view all the answers

How does the internet affect how businesses can satisfy customer demand?

It creates new methods for satisfying demand. Signup and view all the answers

In the context of the client-server architecture, what is the primary role of the `Set-Cookie` header in an HTTP response?

To instruct the client to store a cookie. Signup and view all the answers

What is the primary purpose of the `Cookie` header in an HTTP request?

To transmit previously stored cookies back to the server. Signup and view all the answers

Based on the provided diagram, which version of HTTP protocol is used in the example shown?

HTTP/1.0 Signup and view all the answers

What does the status code `200 OK` in the HTTP response indicate?

The request was successfully processed. Signup and view all the answers

In this client-server interaction, what information is contained within the request header `Host: www.wu.ac.at`?

The domain name of the server the client is trying to connect to. Signup and view all the answers

What would be the most likely outcome without the use of cookies in the given scenario with the client and the `www.wu.ac.at` server?

The server would treat each request from the client as if it were a new, unknown client. Signup and view all the answers

According to the diagrams provided, what type of request is depicted?

GET Signup and view all the answers

If the client does not send the cookie in a subsequent request, what will happen?

The server will treat the request as if the client has never interacted with the server before. Signup and view all the answers

In a client-server architecture, what is the primary role of the client?

To initiate requests for services from the server. Signup and view all the answers

According to the diagrams, what is the typical flow of data in a client-server interaction?

Client sends a request, and the server sends back a result or data. Signup and view all the answers

What does the HTTP request `GET /html/rfc7230 HTTP/1.0` indicate?

A request to retrieve the resource located at <code>/html/rfc7230</code> using HTTP version 1.0. Signup and view all the answers

In the provided network exchange example, what does `HTTP/1.0 200 OK` signify?

The server is confirming a successful retrieval of requested content using <code>HTTP/1.0</code>. Signup and view all the answers

Based on the diagrams, how does a client access the ChatGPT service?

Through a web browser acting as a client. Signup and view all the answers

What is the role of `Content-Type: text/html; charset=UTF-8` in the HTTP response?

It specifies which format the transmitted data has and how it is encoded. Signup and view all the answers

What is the purpose of the `Host: tools.letf.org` line in the HTTP request?

To specify which server is requested, which helps when an IP address hosts several domains. Signup and view all the answers

What is the `Content-Length` field in an HTTP response indicating?

The size, in bytes, of the entity-body, i.e., the document being sent in the reply. Signup and view all the answers

Study Notes

Introduction to Business Informatics

The course is titled "Fundamentals of Business Informatics: Digital Infrastructure and Platforms"
The course is taught by Professor Dr. Stefan Seidel and Dr. Katharina Drechsler at the University of Cologne.
The course is offered in the Winter Semester 2024/25.

Course Topics

Information systems and digitalization
Data management
Information systems and sustainability
Internet of things
Business process management
Artificial intelligence
Information systems and organizations
System development
Digital infrastructure and platforms
Enterprise systems & business intelligence
Information management
Information systems and ethics
Digital business models
Metaverse

Specific Topics Discussed

IBM 5150, released in 1981, and the Macintosh
Examples of the Internet of Things (IoT)
Components needed for Spotify's operation (user interface, client applications, music database, recommendation engine, payment gateway).
Components required for a robotic vacuum cleaner (robot, remote control, client applications, data collection & analysis)
Topics for the current session: Digital Infrastructure & Internet and Platform-based Ecosystems.
Definition of digital infrastructure: a shared, open, heterogeneous and evolving socio-technical system of Information Technology (IT) capabilities.
Examples of digital infrastructures: Network infrastructures, Internet, Cloud-Computing, Internet of Things (IoT).
Different cloud computing services (LaaS, PaaS, SaaS).
The role of data centers in cloud computing.
Components of a mainframe system (monitor, keyboard, thin client, mainframe)
History of the internet: ARPANET (1968), TCP/IP protocol (1983), Domain Name Service (1984), Hypertext (1990), the rise of the internet (more post sent over internet than by mail) (1995), Search Engines (1990s-2000s), mobile internet (2000s), internet of things (2010s)
Internet penetration map (2015)
Internet users per 100 inhabitants (1997-2017)
Function of email
Components of an email address (name, third-level domain, second-level domain, top-level domain).
Examples of generic and country-specific top-level domains (.com, .edu .mil , .net, .li, .de, .at, .ch)
The historical WWW Logo
A proposal for a Hypertext project
Concepts of "The first Web Server" and "Browser"
The role of networking in modern business

Business Models

Discussion of how AirBnB and Uber have fundamentally changed their respective industries.
Discussion of how Facebook operates as a business without creating content.
Definition of a platform business model: enabling value-creating interactions between external producers and consumers.
Different types of industries benefiting from platform-based ecosystem (Agriculture, Communication & Networking, Consumer Goods, Education, Energy, Finance, Healthcare, Gaming, Labour and Professional Services, Local Services, Logistics, Media, Operating System, Retail, Transportation, Travel).
The concept of a platform-based ecosystem with modules and interfaces connecting to an external environment.
Examples from the Platform owner, complementors, and users in platform-based ecosystems.
The role of Netflix and Disney+ as possible examples of a platform-based business model.

Other Concepts

The impact of the internet on the ability to gain a competitive advantage.
Porter's Five Forces model
Discussion of network effects within businesses
Modular Layered Architecture with the different layers.
Concepts of "Client-Server Architecture" with the distinction of different approaches. HTTP-Anfrage and HTTP Anforderung. concepts of cookies and their interaction with the client and server.
Distinction between intranet, extranet, and internet
Summary of the module’s key ideas.

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Description

Test your knowledge on the key components and characteristics of digital infrastructure as discussed in the presentation. This quiz covers various aspects, including specific technologies and their requirements, as well as inferred terms and definitions related to digital systems. Let's see how well you understand the material!