Information Systems: Telecommunications Case Study
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Questions and Answers

Which of the following is a feature of 4G networks?

  • Capable of speeds up to 100 Mbps (correct)
  • Primarily used for voice calls
  • Limited internet access
  • Not suitable for Internet video

    • Which of the following is NOT a key component of a network?

  • Protocol
  • Devices
  • Data
  • Operating system (correct)

    • What is a characteristic of Bluetooth technology?

  • Primarily used for establishing wireless local area networks (WLAN)
  • Provides wireless access over large distances, up to 31 miles
  • Connects up to 8 devices within a 10-meter range (correct)
  • Requires specialized antennas for operation

    • Which of the following is an example of a pervasive web feature?

    <p>The availability of information from multiple sources across diverse devices (B)</p> Signup and view all the answers

    How does Wi-Fi provide wireless internet access?

    <p>By using access points to connect wireless devices to a wired LAN (A)</p> Signup and view all the answers

    Which of the following technologies is associated with the term 'Internet of Things'?

    <p>Connecting diverse devices like sensors, appliances and vehicles to the internet (A)</p> Signup and view all the answers

    What does the term 'SaaS' stand for in the context of the future web?

    <p>Software as a Service (B)</p> Signup and view all the answers

    What is the primary function of a modem in a network?

    <p>Translates signals between digital and analog formats (A)</p> Signup and view all the answers

    Which of the following is NOT a type of network mentioned?

    <p>Private area networks (PANs) (C)</p> Signup and view all the answers

    What layer of the TCP/IP model is responsible for addressing and routing?

    <p>Network layer (A)</p> Signup and view all the answers

    Which of the following physical transmission media is known for high-speed internet connectivity?

    <p>Fiber optics cable (A)</p> Signup and view all the answers

    Which term refers to the maximum rate at which data can be transferred over a network?

    <p>Bandwidth (A)</p> Signup and view all the answers

    What is the correct pair of protocols for the communication process in networking?

    <p>TCP and IP (A)</p> Signup and view all the answers

    Which of the following is a characteristic of a client/server network model?

    <p>Centralized control is provided by a dedicated server (B)</p> Signup and view all the answers

    What type of network uses wireless transmission media?

    <p>Wireless networks (B)</p> Signup and view all the answers

    What is the primary function of a server in a client/server computing model?

    <p>To control networking rules and provide addresses (B)</p> Signup and view all the answers

    Which of the following best describes packet switching?

    <p>Slices messages into packets for efficient transmission (B)</p> Signup and view all the answers

    What does the TCP/IP model primarily rely on for structuring network communication?

    <p>A standard created by the Department of Defense (D)</p> Signup and view all the answers

    Which layer of the TCP/IP model is responsible for managing data transmission across the network?

    <p>Transport layer (B)</p> Signup and view all the answers

    Which of the following best illustrates the major advantage of packet switching over circuit-switched networks?

    <p>More efficient use of communication capacity (B)</p> Signup and view all the answers

    What is a characteristic of client/server computing?

    <p>Breaks up tasks between clients and servers (D)</p> Signup and view all the answers

    Which part of the TCP/IP model is responsible for ensuring data is appropriately packaged for transport?

    <p>Internet layer (A)</p> Signup and view all the answers

    How does the Internet exemplify client/server computing?

    <p>It links multiple clients through various server interfaces. (A)</p> Signup and view all the answers

    Flashcards

    Future Web

    An evolving system with tools for managing vast online data.

    IoT

    Internet of Things; interconnected devices exchanging data.

    4G Networks

    Fourth-generation networks providing up to 100 Mbps for video.

    5G Networks

    Fifth-generation networks with gigabit capacity for high-speed Internet.

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    Bluetooth

    Wireless technology linking up to 8 devices in a 10m radius.

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    Wi-Fi

    Wireless technology standard (802.11) for LAN and Internet access.

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    Hotspots

    Public area with access points for widespread Wi-Fi coverage.

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    WiMax

    Wireless tech (802.16) providing a range of 31 miles.

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    Client/server computing

    A distributed computing model where clients are linked through a network controlled by a server.

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    Role of the server

    The server sets communication rules and assigns addresses to clients to facilitate network communication.

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    Packet switching

    A method of sending digital messages in small packets over various routes and reassembling them at their destination.

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    Circuit-switched networks

    Older method requiring a complete point-to-point circuit before communication can occur.

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    TCP/IP

    Transmission Control Protocol/Internet Protocol; the worldwide standard for the Internet's communication protocols.

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    TCP/IP model layers

    The TCP/IP model consists of four layers: application, transport, internet, and network interface.

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    Protocols in networking

    Rules that govern the transmission of information between different points in a network.

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    Networking capacity

    The efficiency of how data is transmitted across a network, improved by methods like packet switching.

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    HTTPS

    A secure protocol for transferring webpages using encryption.

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    TCP/IP Model

    A framework for network communication that includes protocols for transmitting data.

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    TCP

    Transmission Control Protocol; establishes and manages connections for data transfer.

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    Modem

    A device that converts digital signals to analog and vice versa for transmission.

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    LAN

    Local Area Network; a network that connects computers within a limited area.

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    WAN

    Wide Area Network; connects computers over large geographical distances.

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    Transmission Media

    The physical pathways through which data travels in a network (e.g. cables, wireless).

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    Study Notes

    Information Systems: Theory & Practice

    • The course is titled Information Systems: Theory & Practice
    • The specific topic is Telecommunications, the Internet, and Wireless Technology
    • The instructor is Dr. Paul Drews
    • The university is Leuphana Universität Lüneburg

    Intro Case Study

    • Business Challenges: Competitive marketplace, low market share, online/offline integration issues
    • Management: Identifying potential vendors, monitoring customers, identifying customer preferences, implementing systems, training employees, and redefining job roles for streamlining of the supply chain
    • Organization: The organization is involved in a case study
    • Information System: Tracking customers, optimizing delivery routes, using customer analytics, competing with traditional retail stores
    • Business Solutions: Developing a smartphone app, Wi-Fi hotspots, using Alipay, and improving retail market share/lowering costs

    Learning Objectives

    • Identify the components of telecommunications networks and key networking technologies
    • Understand different types of networks
    • Learn how the Internet functions and supports e-business
    • Comprehend the technologies and standards related to wireless networking, communication, and Internet access

    Agenda

    • Components of Networks: Discusses the core aspects of networks
    • Key Networking Technology: Focuses on the key technologies used in networking
    • The Internet and Internet Technology: Covers the internet and its related technologies
    • Technologies and Standards for Wireless Networking: Details the technologies and standards related to wireless networking

    Broadband Internet

    • Convergence: Telephone and computer networks are combining using Internet standards
    • Broadband: Over 76% of U.S. internet users have broadband access
    • Broadband Wireless: Voice and data communication are transitioning to broadband wireless platforms

    Broadband in Germany

    • Data on Broadband internet access availability in Germany are presented in charts/graphs. 

    Components of Networks and Key Networking Technology

    • Computer network: Two or more connected computers
    • Major components in simple networks: Clients, servers, network interfaces (NICs), connection medium, network operating systems (NOS), hubs, switches, and routers
    • Software-defined networking (SDN): Managing functions of switches and routers by a central program

    Components of a Simple Computer Network

    • Diagram shows how the components of a simple computer network are connected (server, client, switch, router and other networks)

    Components of Networks and Key Networking Technology (Large Companies)

    • Networks in large companies: Numerous local area networks (LANs) connected to a firm-wide corporate network
    • Powerful servers: Used for websites, corporate intranets, extranets, backend systems, mobile wireless LANs, videoconferencing, telephone networks, and wireless cell phones (including Wi-Fi networks)

    TCP/IP and Connectivity

    • Protocols: Rules that govern information transmission
    • TCP/IP: Standard for Internet communication
    • Layers: Application, Transport, Internet, and Network Interface layers

    The Transmission Control Protocol/Internet Protocol (TCP/IP) Reference Model

    • Diagram shows the four layers used for communications between devices

    Different Types of Networks: Analog vs. Digital

    • Digital: Signals converted into numerical representations
    • Analog: Continuous signals

    Different Types of Networks

    • Types of networks: Local Area Networks (LANs), Wide Area Networks (WANs), Metropolitan Area Networks (MANs) and Campus Area Networks (CANs)
    • Physical transmission media: Twisted pair wire, coaxial cable, fiber optics cable, using wireless transmission media

    Internet Architecture and Governance

    • Network service providers (NSP): Companies that offer network services
    • Regional telephone companies & cable TV companies: Provide access to the Internet
    • Professional organizations and government bodies: Develop internet standards

    Internet Network Architecture

    • Diagram showing how the Internet backbone connects to regional networks, Internet service providers, large firms, and government institutions.

    DE-CIX: Germany's Largest Internet Exchange

    • Data detailing Germany's (and the world's) biggest Internet exchange, DE-CIX
    • Shows throughput levels and partner capacity information

    IPv4 vs. IPv6

    • Addresses of IPv4 and IPv6 and differences discussed.

    The Internet 2

    • Advanced networking consortium (Universities, businesses, and government agencies).
    • Focuses on High-capacity (100 Gbps) testing network
    • Testing leading-edge new technologies for Internet

    Internet Services

    • Basic internet services, such as E-mail, Chatting, Newsgroups, Telnet, File Transfer Protocol (FTP) and the World Wide Web.

    Client/Server Computing on the Internet

    • The client-server model for internet access and services
    • Diagram shows various services that may run on a single or multiple specialized servers.

    The Internet and Internet Technology (Voice over IP, Unified Communications, VPNs)

    • Voice over IP (VoIP): Digital voice communication using packet switching
    • Unified Communications: Systems integrating voice, data, e-mail, and conferencing
    • Virtual Private Network (VPN): Secure, encrypted, private network using the internet

    How Voice over IP Works

    • Diagram shows data packets traveling over the internet for VoIP communications

    A Virtual Private Network Using the Internet

    • Diagram shows a secure connection between computers using the internet

    The Internet and Internet Technology (The Web)

    • The Web: Hypertext Markup Language (HTML), Hypertext Transfer Protocol (HTTP), Uniform Resource Locators (URLs), and Web servers.
    • Software for locating and managing web pages

    The Internet and Internet Technology (Search Engines)

    • Mobile search, semantic search, predictive search, Visual search, intelligent agent shopping bots, search engine marketing, and search engine optimization (SEO) are all methods of using Search Engines.

    Top Web Search Engines Worldwide

    • Pie chart showing Google as the most popular search engine worldwide The pie charts illustrate the market share of various search engines.

    How Google Works

    • Diagram showing process used by Google.

    The Internet and Internet Technology (Social Search and Intelligent Agent Shopping Bots)

    • Social search: Searching using a user's social network involvement
    • Intelligent agent shopping bots: Using software to search the internet for shopping needs

    The Internet and Internet Technology (The Future Web)

    • Increased use of web tools, Internet of Things (IoT), Internet of People, app internet, expanded cloud computing and SaaS;Ubiquitous mobile connectivity; Seamless web experience

    Technologies and Standards for Wireless Networking

    • Cellular systems: Fourth-generation (4G) networks (LTE, Wi-Max), and Fifth-generation (5G) networks

    Technologies and Standards for Wireless Networking (Wireless Computer Networks and Internet Access)

    • Wi-Fi (802.11 standards): Used for personal networking (PANs), wireless local area networks (WLANs), and internet access points
    • Bluetooth (802.15): Connecting devices up to 10 meters using low-power communication.

    Technologies and Standards for Wireless Networking (WiMax. 8(02, 16)

    • WiMax :Wireless access range of 31 miles, and use of specific antennas

    Technologies and Standards for Wireless Networking (Radio Frequency Identification [RFID]

    • RFID technology using tags with microchips for tracking items and their location, used in toll-collection and supply chain management
    • Use cases: Toll-collection, supply chain tracking, reduction in cost of tags making RFID viable to many firms.
    • Diagrams show RFID reader and host computer functions and how it works

    Technologies and Standards for Wireless Networking (Wireless Sensor Networks [WSNs])

    • Wireless sensor networks (WSNs): Networks of many interconnected wireless devices for diverse applications
    • Use cases: Detection of hazardous substances and changes, environment monitoring, military tracking, and traffic monitoring
    • Include aspects of processing data and storage
    • Diagram shows a typical WSN infrastructure

    Case: The smartPORT of Hamburg

    • Case study about the smartPORT of Hamburg, illustrating the use of IoT in the port
    • Diagram shows various aspects and components that work together in the Hamburg port

    Conclusion

    • The provided document details the topic of Information Systems: Theory & Practice
    • A variety of topics/subjects are covered, including Networking Technologies, Internet and Internet Technology, and Wireless Networking Technologies.
    • Key topics such as infrastructure, applications, components and technologies are provided, along with important case studies and examples.

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    Information Systems: Theory & Practice PDF

    Description

    This quiz focuses on the case study related to Telecommunications, the Internet, and Wireless Technology within the Information Systems: Theory & Practice course at Leuphana Universität Lüneburg. It addresses business challenges, management strategies, and potential solutions such as developing smartphone apps and improving retail operations. Test your understanding of the key concepts and solutions in this dynamic field.

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