In a Multics system, process P1, running in ring 5 , tries to read a segment with
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- In a Multics system, process P1, running in ring 5 , tries to read a segment with an access bracket of (2,4). Can this read access be granted to P ?NIf another process P2, running in ring 1 , tries to read the same segment, with an access bracket of (2,4), can this read access be granted to P2 ? What if P2 tries to write to the same segment, can this read access be granted to P1 ?
- A main objective of multilevel security systems is to prevent information leakage from a high-level security process to a low-level security process. State the main two properties of such systems.
- Unix systems follow a discretionary access control (DAC) approach. Give one example to show that Unix is DAC system. d) Explain the main services the Windows active directory provide.
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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