MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In UNIX, domain switch is accomplished via _____________ |
| A. | file system |
| B. | user |
| C. | superuser |
| D. | none of the mentioned |
| Answer» B. user | |
| 2. |
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 |
| Answer» D. none of the mentioned | |
| 3. |
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 |
| Answer» B. access list | |
| 4. |
Global table implementation of the matrix table contains _____________ |
| A. | domain |
| B. | object |
| C. | right-set |
| D. | all of the mentioned |
| Answer» E. | |
| 5. |
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 |
| Answer» E. | |
| 6. |
If the set of resources available to the process is fixed throughout the process’s lifetime then its domain is _____________ |
| A. | static |
| B. | dynamic |
| C. | neither static nor dynamic |
| D. | none of the mentioned |
| Answer» B. dynamic | |
| 7. |
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 |
| Answer» D. none of the mentioned | |
| 8. |
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 |
| Answer» C. few resources but authorization is not required | |
| 9. |
_______ 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 |
| Answer» B. Process-based access control | |
| 10. |
Which principle states that programs, users and even the systems be given just enough privileges to perform their task? |
| A. | principle of operating system |
| B. | principle of least privilege |
| C. | principle of process scheduling |
| D. | none of the mentioned |
| Answer» C. principle of process scheduling | |
| 11. |
IN_UNIX,_DOMAIN_SWITCH_IS_ACCOMPLISHED_VIA?$ |
| A. | file system |
| B. | user |
| C. | superuser |
| D. | none of the mentioned |
| Answer» B. user | |
| 12. |
If the set of resources available to the process is fixed throughout the process’s lifetime then its domain is$ |
| A. | static |
| B. | dynamic |
| C. | neither static nor dynamic |
| D. | none of the mentioned |
| Answer» B. dynamic | |