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Questions and Answers
Which of the following best describes the primary characteristic of the core cyberspace?
What is the primary function of the Internet?
The World Wide Web was invented by Tim Berners-Lee in 1989.
True
The process of exchanging information through speech, signs, symbols, or text is called __________.
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List the components of cyberspace.
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What is the difference between the Internet and the World Wide Web?
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Which of the following is NOT a characteristic of the cyber domain?
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Study Notes
Introduction to Cyber Security
- Cyber security is essential for safeguarding information systems from risks and vulnerabilities.
- Cyberspace enables global communication through an interconnected electronic medium.
Definition of Cyberspace
- Cyberspace is a virtual environment facilitating online communication and interaction among users.
- Comprises multiple worldwide computer subnetworks utilizing TCP/IP protocol for data exchange.
Components of Cyberspace
- Physical Devices: Hardware components that interact within cyberspace.
- Computer and Software: Tools enabling various functionalities over networks.
- Data: Information shared and stored online.
- Networks: Connections facilitating communication among devices.
- Intermediaries: Entities that facilitate services in cyberspace.
- Network of Networks: A vast infrastructure combining multiple networks for connectivity.
Characteristics of Cyber Domain
- Virtuality: Existence in a non-physical environment.
- Expansion: Constant growth due to advancing technology and user engagement.
- Ambiguity: Lack of clear boundaries and definitions.
- Interactivity: User engagement enabling real-time communication.
- Connectivity: Linking various devices and networks.
Internet vs. World Wide Web (WWW)
- Internet: A global network interconnecting computers, wherein users can communicate and share information.
- World Wide Web (WWW): An information space allowing access to documents and resources identified by URLs and linked via hypertext.
- Inventor: Tim Berners-Lee created the WWW in 1989.
Key Differences Between Internet and WWW
- Internet serves as the underlying infrastructure, while the WWW is a service utilizing this infrastructure.
- The Internet connects computers globally, whereas the WWW consists of interconnected information resources.
Importance of Cyber Security
- Protects against data breaches and cyber attacks, ensuring the integrity and confidentiality of information systems.
- Continuous evolution of threats necessitates robust cyber security measures to address new challenges.
Applications of Cyberspace
- Online learning platforms enable students to participate in classes.
- E-commerce transactions allow businesses and consumers to engage securely in online purchases.
- Shopping activities by individuals reflect everyday uses of cyberspace.
Levels of Cyberspace
- Core Cyberspace: Encompasses all foundational electronic devices and communication mediums.
- Extended Cyberspace: Includes additional layers surrounding the core, accessible to users.
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Description
This quiz covers the foundational concepts of Cyber Security in Unit 1. You will explore the definition, characteristics, and architecture of cyberspace, as well as the importance and challenges of information systems. Test your understanding of internet technologies and cyber regulations.
