Basic Computer Knowledge Test Questions and Answers

Protection - Access Matrix - Operating System Questions & Answers

1.

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

   A.) i
   B.) i and iii
   C.) ii and iii
   D.) iii and iv

Answer: Option 'B'

i and iii

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