Operating system mcqs protection access matrix
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What does the access matrix represent?
Rows-Access List, Columns-Domains
Rows-Domains, Columns-Access list
Which of the following objects require protection?
All of the mentioned
Which of the following statements are correct? i) Physical separation - in which process use different physical objects like separate printers ii) Physical separation - in which process having different security requirement at different times iii) Logical separation - In which users operate under illusion that no other processes exist iv) Logical separation - In which processes conceal their data and computations
i and iii
ii and iii
iii and iv
What is meaning of right-set?
It is a subset consist of read and write
It is a subset of all valid operations that can be performed on the object
It is a subset consist of read, write and execute
None of the mentioned
In domain structure what is Access-right equal to?
Access-right = object-name, rights-set
Access-right = read-name, write-set
Access-right = read-name, execute-set
Access-right = object-name, execute-set
There are 5 questions to complete.