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Welcome to the Protection and Security MCQs Page

Dive deep into the fascinating world of Protection and Security with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Protection and Security, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Protection and Security, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Operating System.

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Check out the MCQs below to embark on an enriching journey through Protection and Security. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Operating System.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Protection and Security. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Protection and Security MCQs | Page 8 of 14

Discuss
Answer: (b).It is a subset of all valid operations that can be performed on the object
Discuss
Answer: (c).Domain= set of access-rights
Discuss
Answer: (a).Rows-Domains, Columns-Objects
Q74.
What are the three additional operations to change the contents of the access-matrix ?
Discuss
Answer: (d).all of the mentioned
Q75.
Who can add new rights and remove some rights ?
Discuss
Answer: (d).owner
Q76.
What are the three copy rights ?
Discuss
Answer: (d).all of the mentioned
Q77.
Which two rights allow a process to change the entries in a column ?
Discuss
Answer: (a).copy and transfer
Q78.
Which is an unsolvable problem in access-matrix ?
Discuss
Answer: (d).Confinement
Q79.
Which of the following objects require protection ?
Discuss
Answer: (b).Printers
Discuss
Answer: (c).It means keeping one user’s objects separate from other users

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