MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Unix knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following signals can neither be ignored nor catch? |
| A. | SIGKILL |
| B. | SIGSTOP |
| C. | SIGKILL and SIGSTOP |
| D. | SIGALR |
| Answer» D. SIGALR | |
| 2. |
WHICH_OF_THE_FOLLOWING_SIGNALS_CAN_NEITHER_BE_IGNORED_NOR_CATCH??$ |
| A. | SIGKILL |
| B. | SIGSTOP |
| C. | SIGKILL and SIGSTOP |
| D. | SIGALR |
| Answer» D. SIGALR | |
| 3. |
Which of the following functions can be performed using signal system call? |
| A. | ignore the signal |
| B. | restore the default |
| C. | invoke a signal handling function |
| D. | ignore the signal, restore the default and invoke a signal handling function |
| Answer» E. | |
| 4. |
To override the default action and catch the signal ____ system call is used. |
| A. | sig |
| B. | SIGKILL |
| C. | signal |
| D. | SIGINT |
| Answer» D. SIGINT | |
| 5. |
sar is a command line tool for collecting, viewing and recording performance data. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
____ is a simple tool that will collect and show system input and output storage device statistics. |
| A. | top |
| B. | lsof |
| C. | vmstat |
| D. | Iostat |
| Answer» E. | |
| 7. |
____ command displays the list of all open files and processes. |
| A. | top |
| B. | lsof |
| C. | vmstat |
| D. | pipe |
| Answer» C. vmstat | |
| 8. |
Which command is used to display all the running and active real-time processes? |
| A. | tp |
| B. | top |
| C. | vmstat |
| D. | lsof |
| Answer» C. vmstat | |
| 9. |
System time comprises ____ components. |
| A. | 5 |
| B. | 4 |
| C. | 3 |
| D. | 8 |
| Answer» B. 4 | |
| 10. |
Which of the following resources are required to be managed and monitored? |
| A. | CPU time |
| B. | I/O time |
| C. | Disk space |
| D. | CPU time, I/O time, disk space |
| Answer» E. | |