_______ is an approach to restricting system access to authorized users.

• A. Role-based access control
• B. Process-based access control
• C. Job-based access control
• D. None of the mentioned

For system protection, a process should access _____________

• A. All the resources
• B. Only those resources for which it has authorization
• C. Few resources but authorization is not required
• D. All of the mentioned

The protection domain of a process contains _____________

• A. Object name
• B. Rights-set
• C. Both object name and rights-set
• D. None of the mentioned

Access matrix model for user authentication contains _____________

• A. A list of objects
• B. A list of domains
• C. A function which returns an object’s type
• D. All of the mentioned

Global table implementation of the matrix table contains _____________

• A. Domain
• B. Object
• C. Right-set
• D. All of the mentioned

For a domain _______ is a list of objects together with the operation allowed on these objects.

• A. Capability list
• B. Access list
• C. Both capability and access list
• D. None of the mentioned

Which one of the following is capability based protection system?

• A. Hydra
• B. Cambridge cap system
• C. Both hydra and cambridge cap system
• D. None of the mentioned

In UNIX, domain switch is accomplished via _____________

• A. File system
• B. User
• C. Superuser
• D. None of the mentioned

In domain structure what is Access-right equal to?

• A. Access-right = object-name, rights-set
• B. Access-right = read-name, write-set
• C. Access-right = read-name, execute-set
• D. Access-right = object-name, execute-set

What is meaning of right-set?

• A. It is a subset consist of read and write
• B. It is a subset of all valid operations that can be performed on the object
• C. It is a subset consist of read, write and execute
• D. None of the mentioned