MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Distributed Operating System knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which function is useful when you want to output the executed command’s result? |
| A. | ut_cmm() |
| B. | ut_system() |
| C. | mm() |
| D. | ystem() |
| Answer» E. | |
| 2. |
Which function sets the file filename’s last-modified and last-accessed times? |
| A. | ets() |
| B. | et() |
| C. | ouch() |
| D. | ouched() |
| Answer» D. ouched() | |
| 3. |
Which of the following functions reads the entire contents of a file?1. fgets()2. file_get_contents()3. fread()4. readfile()5. file() |
| A. | ption 3 and 5 |
| B. | ption 1, 3 and 4 |
| C. | ption 2, 4 and 5 |
| D. | ption 2 and 4 |
| Answer» D. ption 2 and 4 | |
| 4. |
flock() is used to unlock a file so that two or more people do not get access to it at the same time. |
| A. | rue |
| B. | alse |
| Answer» C. | |
| 5. |
What is the difference between stat() and fstat()? |
| A. | hile stat() works on open file pointers, fstat() works on files specified by pathname |
| B. | hile fstat() works on open file pointers, stat() works on files specified by pathname |
| C. | stat() has nothing to do with files |
| D. | tat() has nothing to do with files |
| E. | stat() is an alias of stat() |
| Answer» C. stat() has nothing to do with files | |
| 6. |
fgets() is used to read a file one line at a time. |
| A. | rue |
| B. | alse |
| Answer» B. alse | |
| 7. |
Which of the following functions retrieve the entire contents of a file in such a way that it can be used as part of an expression?1. file_get_contents()2. fgets()3. fopen()4. file()5. readfile() |
| A. | ption 2 and 4 |
| B. | ption 1 and 5 |
| C. | ption 1 and 4 |
| D. | ption 3 and 4 |
| Answer» D. ption 3 and 4 | |
| 8. |
The ........... function is used to read a single character from a file. |
| A. | getc() |
| B. | gets() |
| C. | get() |
| D. | getf() |
| Answer» B. gets() | |
| 9. |
The ............ function checks if the "end-of-file" (EOF) has been reached. |
| A. | _eof() |
| B. | _of() |
| C. | eofs() |
| D. | eof() |
| Answer» E. | |
| 10. |
What should you do if your script is having problem recognizing file endings from a text file saved on a platform different from the one you’re reading it on? |
| A. | hange the auto_detect_line_endings INI setting |
| B. | se a regular expression to detect the last letter of a line |
| C. | se fpos() |
| D. | se ftok() |
| E. | ead the file one character at a time |
| Answer» B. se a regular expression to detect the last letter of a line | |
| 11. |
What is the purpose of basename() function? |
| A. | eturns the last accessed time of the file |
| B. | eturns the first accessed time of the file |
| C. | trips of the path and returns the file name |
| D. | trips of the path and returns the folder name |
| Answer» D. trips of the path and returns the folder name | |
| 12. |
WHAT_ARE_NON_CHARACTERISTICS_OF_SESSION_SEMANTICS_??$ |
| A. | Each client obtains a working copy from the server |
| B. | When file is closed, the modified file is copied to the file server |
| C. | The burden of coordinating file sharing is ignored by the system |
| D. | Easy to implement in a single processor system |
| Answer» E. | |