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Questions and Answers
What is the primary objective of computer security?
To preserve the integrity, availability, and confidentiality of information system resources.
Which of the following is NOT a type of network security?
What does OSI Security Architecture provide to organizations?
A well-planned standard architecture for security features.
The primary purpose of antivirus and anti-malware software is to facilitate unauthorized access to a network.
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Name the three pillars of OSI Security Architecture.
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OSI Architecture ensures systemic arrangement through __________.
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What is the role of Network Access Control?
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Study Notes
Network Security Introduction
- Network security is a set of protocols and configurations used to protect the integrity, confidentiality, and accessibility of computer networks and data.
- It is achieved through hardware and software technologies that ensure the integrity, confidentiality, and availability of computer networks and data.
- Network security operates in layers to protect valuable data and networks, necessitating adherence to specific rules and regulations.
Types of Network Security
- Access Control: Controls access to the network and its data, ensuring only authorized personnel have the necessary permissions.
- Antivirus and Anti-malware Software: Protects networks from malicious software, such as viruses, Trojans, and worms.
- Cloud Security: Safeguards data stored in cloud environments, preventing unauthorized access and ensuring data protection.
OSI Security Architecture
- Provides a standardized architecture for security features in computer networking, addressing security needs, ensuring safety, and maintaining a structured approach to security requirements.
Need for OSI Architecture
- Security Needs: Provides security and safety, preventing risks and threats.
- Systematic Arrangement: Offers a methodical approach to security requirements, effectively managing security policies.
- Centralised Processing: Enables centralized processing through LAN and WAN, enhancing efficiency and control.
Benefits of OSI Architecture
- Providing Security: Delivers the necessary security and safety, mitigating potential threats and risks, and simplifying security management.
- Organizing Task: Gives managers the tools to effectively organize tasks, promoting efficiency and streamlined operations.
- Meets International Standards: Defines and conforms to internationally recognized security services and standards, ensuring global acceptance and compatibility.
Three Pillars of OSI Security Architecture
- Security Attacks: Any action that compromises the security of information owned by an organization.
- Security Mechanisms: Methods employed to prevent and mitigate security attacks & threats, ensuring data confidentiality, integrity, and availability.
- Security Services: Functionality provided to enhance network security, often categorized as authentication, access control, data confidentiality, and non-repudiation.
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Description
Explore the fundamentals of network security, including protocols and configurations vital for protecting data integrity and accessibility. This quiz covers various types of network security measures, such as access control, antivirus software, and cloud security. Understand the OSI security architecture and its significance in safeguarding networks.
