MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System Questions & Answers File System Interface Protection knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will happen in a multi level directory structure? |
| A. | the same previous techniques will be used as in the other structures |
| B. | a mechanism for directory protection will have to applied |
| C. | the subdirectories do not need protection once the directory is protected |
| D. | none of the mentioned |
| Answer» C. the subdirectories do not need protection once the directory is protected | |
| 2. |
If each access to a file is controlled by a password, then what is the disadvantage? |
| A. | user will need to remember a lot of passwords |
| B. | it is not reliable |
| C. | it is not efficient |
| D. | all of the mentioned |
| Answer» B. it is not reliable | |
| 3. |
To control access the three bits used in UNIX are represented by _____________ |
| A. | r |
| B. | w |
| C. | x |
| D. | all of the mentioned |
| Answer» E. | |
| 4. |
In UNIX, groups can be created and modified by? |
| A. | superuser |
| B. | any user |
| C. | a programmer only |
| D. | the people in the group only |
| Answer» B. any user | |
| 5. |
Universe consists of _____________ |
| A. | all users that aren t included in the group or owners |
| B. | all users that are not owners |
| C. | all users in the system |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 6. |
Many systems recognize three classifications of users in connection with each file (to condense the access control list). |
| A. | Owner |
| B. | Group |
| C. | Universe |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
What is the main problem with access control lists? |
| A. | their maintenance |
| B. | their length |
| C. | their permissions |
| D. | all of the mentioned |
| Answer» C. their permissions | |
| 8. |
Reliability of files can be increased by _____________ |
| A. | keeping the files safely in the memory |
| B. | making a different partition for the files |
| C. | by keeping them in external storage |
| D. | by keeping duplicate copies of the file |
| Answer» E. | |