E-commerce Infrastructure Chapter 3
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Questions and Answers

What is the maximum number of unique addresses that IPv4 can handle?

  • 64 thousand
  • 4 billion (correct)
  • 1 quadrillion
  • 256 million

How many bits are used in an IPv6 address?

  • 128 bits (correct)
  • 256 bits
  • 64 bits
  • 32 bits

Which of the following is a characteristic of IPv4 addresses?

  • Only used in local networks
  • Consists of four sets of numbers separated by dots (correct)
  • Comprised of 64-bit numbers
  • Able to accommodate 1 quadrillion addresses

What is the primary advantage of using IPv6 over IPv4?

<p>Significantly larger address space (D)</p> Signup and view all the answers

In the context of IP addresses, what does the '32-bit' designation refer to?

<p>The length of an IPv4 address (C)</p> Signup and view all the answers

What is a key characteristic of the Internet?

<p>It is an interconnected network of thousands of networks. (B)</p> Signup and view all the answers

Which technology is crucial for communication over the Internet?

<p>TCP/IP communications protocol (C)</p> Signup and view all the answers

What does the World Wide Web provide access to?

<p>Billions, possibly trillions, of web pages (C)</p> Signup and view all the answers

Which of the following concepts is NOT a key technology concept of the Internet?

<p>Data encryption (D)</p> Signup and view all the answers

How does the Internet resemble a telephone system?

<p>Both provide services to users. (D)</p> Signup and view all the answers

What is the purpose of IP addressing in the Internet?

<p>To identify and locate devices on the network (D)</p> Signup and view all the answers

What aspect do mobile applications impact in e-commerce?

<p>User engagement and accessibility (B)</p> Signup and view all the answers

Which service does the Internet provide to various users?

<p>A wide range of services similar to phone systems (B)</p> Signup and view all the answers

What does the cloud computing model primarily provide through the Internet?

<p>Access to a shared pool of virtualized resources (C)</p> Signup and view all the answers

Which of the following is NOT a primary type of cloud computing service?

<p>Database as a service (DBaaS) (B)</p> Signup and view all the answers

What is one of the security risks associated with cloud computing?

<p>Loss of control over data storage (C)</p> Signup and view all the answers

Which of the following is a potential drawback of using cloud computing?

<p>Latency in processing and data transmission (B)</p> Signup and view all the answers

How does cloud computing impact costs in e-commerce?

<p>Radically reduces costs of building and operating websites (D)</p> Signup and view all the answers

What type of cloud architecture provides a combination of public and private cloud features?

<p>Hybrid cloud (D)</p> Signup and view all the answers

What is the role of Platform as a Service (PaaS) in cloud computing?

<p>Offers a platform for developers to build applications without managing the underlying infrastructure (A)</p> Signup and view all the answers

Which of the following statements is true regarding cloud computing?

<p>It transfers the operational responsibilities to external providers. (B)</p> Signup and view all the answers

What type of broadband access does 5G provide?

<p>Speeds reaching 10 Gbps or more (D)</p> Signup and view all the answers

Which of the following characteristics is associated with Telephone-based Wireless Internet Access?

<p>Connects to global telephone systems (B)</p> Signup and view all the answers

What defines the various 802.11 standards commonly referred to as Wi-Fi?

<p>They are categorized as Wi-Fi 4, Wi-Fi 5, and Wi-Fi 6 (A)</p> Signup and view all the answers

Which statement about Wireless Local Area Network (WLAN) is incorrect?

<p>It uses Bluetooth for communication. (C)</p> Signup and view all the answers

What is a significant advantage of 5G technology over earlier generations like 4G?

<p>Use of a new part of the wireless spectrum (A)</p> Signup and view all the answers

What is the primary purpose of web browsers?

<p>To display web pages (B)</p> Signup and view all the answers

Which web browser holds the largest share of the desktop market?

<p>Google's Chrome (B)</p> Signup and view all the answers

Which web browser has replaced Internet Explorer?

<p>Microsoft Edge (D)</p> Signup and view all the answers

What percentage of the mobile market does Google's Chrome occupy?

<p>40% (C)</p> Signup and view all the answers

Which of the following features is not mentioned as a foundation of e-commerce?

<p>Cloud storage (B)</p> Signup and view all the answers

Which web browser is known for having an open-source model?

<p>Mozilla Firefox (D)</p> Signup and view all the answers

What percentage of the desktop market share does Apple's Safari hold?

<p>18% (A)</p> Signup and view all the answers

Which of the following is a service under Web 2.0 applications?

<p>Social media platforms (A)</p> Signup and view all the answers

What is the purpose of the Domain Name System (DNS)?

<p>To translate numeric IP addresses into natural language (C)</p> Signup and view all the answers

Which statement best describes a Uniform Resource Locator (URL)?

<p>It functions as an address for a web browser to locate content on the Web. (D)</p> Signup and view all the answers

How does the Domain Name System (DNS) enhance user experience?

<p>By simplifying the process of remembering website addresses (A)</p> Signup and view all the answers

Which of the following is an example of a Uniform Resource Locator (URL)?

<p><a href="http://www.google.com">www.google.com</a> (A)</p> Signup and view all the answers

What does a Uniform Resource Locator typically consist of?

<p>A combination of protocol, domain name, and path (D)</p> Signup and view all the answers

Flashcards

IPv4 Address

A 32-bit number used to identify devices on a network, represented as four sets of numbers separated by periods.

IPv6 Address

A 128-bit address capable of supporting a significantly larger number of devices compared to IPv4 addresses.

TCP/IP

A set of communication protocols used to connect devices on the internet.

IPv4 Address Space

The number of unique IPv4 addresses that can be created.

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IPv6 Address Space

The number of unique IPv6 addresses that can be created.

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Packet Switching

The process of breaking data down into smaller packets and sending them over various routes to their destination.

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Domain Name System (DNS)

A system that translates human-readable domain names (like google.com) into machine-readable IP addresses. This allows users to access websites easily.

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Uniform Resource Locator (URL)

A web address that specifies the location of a web page or resource on the internet.

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Domain Name System

A standard way to organize and manage internet domain names, allowing for hierarchical structuring and easy access to websites.

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Internet

A vast network of interconnected computer networks, enabling communication and data transfer between millions of devices globally.

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TCP/IP (Transmission Control Protocol/Internet Protocol)

A set of rules that govern how data is transmitted over the Internet, ensuring smooth and reliable communication.

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Client/server computing

A computing model where a central server provides services to multiple client computers, allowing users to access shared resources and applications.

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World Wide Web (Web)

A popular service on the Internet, providing access to billions of web pages through hyperlinked content.

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Internet

A network that uses IP addressing and TCP/IP protocols to provide services to users in a similar way to a telephone system.

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Web browser

A service that acts as a bridge between users and website servers, delivering requested web pages.

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Cloud Computing

A model of computing where resources like processing power, storage, software, and services are provided virtually over the internet.

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Infrastructure as a Service (IaaS)

A type of cloud service that offers access to virtualized infrastructure like servers, storage, and networking.

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Software as a Service (SaaS)

A type of cloud service that provides software applications over the internet, allowing users to access them without installing them locally.

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Platform as a Service (PaaS)

A type of cloud service providing a platform for developers to build and deploy applications, offering tools and services like databases and programming languages.

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Public Cloud

A cloud computing model where resources are shared among multiple organizations.

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Private Cloud

A cloud computing model dedicated for a single organization, often within their own private data center.

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Hybrid Cloud

A cloud computing model that combines both public and private cloud services.

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Latency

This refers to the delays in data processing and transmission that can occur when using cloud computing.

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Wireless Local Area Network (WLAN)

A wireless network that allows devices to connect to the internet within a limited range, typically using Wi-Fi.

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Wi-Fi

A type of WLAN that is used to provide high-speed internet access to devices within a limited range.

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Bluetooth

A short-range wireless communication technology that is used to connect devices within a radius of 30 feet.

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Telephone-based Wireless Internet Access

A type of wireless internet access that uses the global telephone system to connect users to the internet.

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5G

A high-bandwidth broadband technology that uses a new part of the wireless spectrum to provide very high speeds.

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Google Chrome

A free and open-source web browser developed by Google.

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Safari

The web browser developed by Apple, used primarily on macOS and iOS devices.

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Microsoft Edge

A web browser developed by Microsoft, replacing Internet Explorer.

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Mozilla Firefox

A free and open-source web browser developed by Mozilla.

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Web 2.0

A collection of websites, applications, and services that allows users to interact and share information online.

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Virtual Reality (VR) and Augmented Reality (AR)

Immersive technologies that use computer-generated environments and create interactive experiences.

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The Metaverse

An evolving online environment where digital and physical worlds collide.

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Study Notes

E-commerce Infrastructure

  • E-commerce encompasses business, technology, and society aspects.
  • Key learning objectives for chapter 3 include discussing internet origins, current structure, web functionality, e-commerce support services, and mobile application impact.

The Internet: Technology Background

  • The internet is a vast network of interconnected networks and computers.
  • It connects businesses, educational institutions, and individuals.
  • The World Wide Web (web) is a popular service within the internet, providing access to billions of web pages.

The Internet: Key Technology Concepts

  • The Internet is a network that utilizes IP addressing and TCP/IP.
  • It provides services to users similar to a phone system.
  • Key concepts include packet switching, TCP/IP communication, and client/server computing.

Packet Switching

  • Digital messages are sliced into packets.
  • Packets follow various paths and are reassembled at their destination.
  • Packet switching uses routers and is less costly than circuit switching.

TCP/IP Protocol Suite

  • A large set of protocols, primarily TCP and IP.
  • Transmission Control Protocol (TCP) manages connections and packet assembly/reassembly.
  • Internet Protocol (IP) handles addressing and packet delivery.
  • Other protocols like UDP provide alternatives. Four layers: Network Interface, Internet, Transport, and Application Layers.

Internet (IP) Addresses

  • IPv4 is a 32-bit number, broken into four sets of numbers (e.g., 201.61.186.227).
  • IPv6 utilizes 128-bit addresses, supporting significantly more addresses than IPv4.

Domain Names System (DNS) and Uniform Resource Locators (URLs)

  • DNS allows users to type in domain names (e.g., www.google.com) instead of numeric IP addresses.
  • URLs provide web browsers with addresses to find content on the internet.

Client/Server Computing

  • Clients request services and resources from servers (e.g., web page access, file sharing).
  • Servers provide these services and resources to multiple clients, in a centralized manner.

The Mobile Platform

  • Smartphones and tablets are primary internet access tools.
  • Mobile internet access can be telephone-based or wireless based.

The Internet, Cloud Computing Model

  • Cloud computing utilizes many virtual resources over the internet.
  • Three main service types: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).

The Internet Backbone

  • Composed of fiber-optic cables, which transmit data using light.
  • Includes Tier 1 (transit) ISPs, Tier 2 and Tier 3 providers.
  • Internet Exchange Points (IXPs) are regional hubs connecting various providers.

Wi-Fi Networks

  • Wireless technologies allowing users to access the internet.

The Internet of Things (IoT)

  • Objects are connected to the internet using sensors and RFID technology.
  • Uses low-cost sensors and data analytics software.
  • IoT creates "smart" connected things. Concerns include interoperability, security and privacy.

The Web

  • The World Wide Web was invented in 1989-1991 by Tim Berners-Lee.
  • Key elements: HTML, HTTP, web servers and browsers.
  • Early browsers: Mosaic, Netscape Navigator, and Microsoft Internet Explorer.

Hypertext

  • Text with embedded links that connect documents.
  • Uses hypertext transfer protocol (HTTP) and uniform resource locators (URLs) to locate resources.

Markup Languages

  • HTML: Defines how web page elements are formatted and displayed.
  • CSS: Used to add styling to HTML pages.
  • XML: An information description language

Web Servers and Clients

  • Web servers deliver requested HTML pages via HTTP protocol.
  • Clients are devices capable of requesting and displaying web pages.

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Related Documents

E-commerce 2023-2024: Business, Technology, Society PDF

Description

Explore the foundations of e-commerce in Chapter 3, where you will learn about the origins of the internet, its current structure, and the functionality that supports online business operations. Delve into key technology concepts like packet switching and the impact of mobile applications on e-commerce.

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