5 Questions
Which of the following is NOT a security need according to the text?
Data authentication
What is the main purpose of confidentiality in computer security?
To keep information securely against malicious actions
Which mechanism supports confidentiality in computer security?
Access control and Cryptography
What does integrity refer to in the context of computer security?
Trustworthiness of data or information
What is the main focus of integrity in the computer security field?
Data integrity and System integrity
Study Notes
- Security needs in computer networks include confidentiality, integrity, and availability (CIA)
- Confidentiality is about keeping information secure and is crucial for sensitive fields like government and industry
- Access control and cryptography mechanisms support confidentiality
- Integrity refers to trustworthiness of data and prevention of unauthorized changes
- Two types of integrity: data and system
- Data integrity ensures timeliness, accuracy, completeness, and consistency of information
- Computers cannot provide or protect all qualities of data integrity, so it's discussed more narrowly as data and system integrity
- Computer security field focuses on data integrity as the trustworthiness and authenticity of data and preventing unauthorized modifications.
- System integrity refers to the security and reliability of computer systems and preventing unauthorized access, modification, or denial of services.
- In the context of the text, the author discusses confidentiality, data integrity, and system integrity as security needs in computer networks.
- Access control and cryptography mechanisms support confidentiality, while data and system integrity are important to ensure trustworthiness and accuracy of data.
- Computers cannot provide or protect all qualities of data integrity, so it's discussed narrowly as data and system integrity.
Test your knowledge of computer network security basics with this quiz covering topics such as data confidentiality, integrity, and availability, as well as conventional encryption methods.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
