MCQOPTIONS
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MCQOPTIONS
This section includes 25 Mcqs, each offering curated multiple-choice questions to sharpen your Master of Computer Applications (MCA) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which program is used to schedule particular jobs or programs at particular times on the system? |
| A. | vi |
| B. | Outlook |
| C. | Scheduler |
| D. | cron |
| Answer» E. | |
| 2. |
What will be printed for the command below? $ grep c ^echo abc |
| A. | The count of lines that do not contain the pattern echo in file abc |
| B. | The count of lines which begin with the pattern echo in file abc |
| C. | The count of lines that ends with the pattern echo in file abc |
| D. | None of the above |
| Answer» C. The count of lines that ends with the pattern echo in file abc | |
| 3. |
If you are a root user, how can you grand execute permission only for the owner of the file project1? |
| A. | chmod +x project1 |
| B. | chmod u+x project1 |
| C. | chmod a+x project1 |
| D. | chmod U+X project1 |
| Answer» C. chmod a+x project1 | |
| 4. |
Which commands will give you information about how much disk space each file in the current directory uses? |
| A. | ls -l |
| B. | ls -la |
| C. | du |
| D. | ls -a |
| Answer» D. ls -a | |
| 5. |
In which directory can you store system user default files used for creating user directories? |
| A. | /usr/tmp |
| B. | /etc/default |
| C. | /etc/skel |
| D. | /etc/users |
| Answer» D. /etc/users | |
| 6. |
Which command is used to make all files and sub-directories in the directory (prog) executable by all users? |
| A. | chmod R a+xprogs |
| B. | chmod x a+xprogs |
| C. | chmod -1 a+xprogs |
| D. | chmod R 222 progs |
| Answer» B. chmod x a+xprogs | |
| 7. |
Which among the following is used to write small programs to control Unix functionalities? |
| A. | Shell Commands |
| B. | Shell Script |
| C. | Filters |
| D. | C Language |
| Answer» C. Filters | |
| 8. |
Given the command $ chmod o-w datafile |
| A. | sets write permission to everyone for datafile |
| B. | sets write permission to others for datafile |
| C. | clears write permission to everyone for datafile |
| D. | clears write permission to others for datafile |
| Answer» E. | |
| 9. |
Which command generates possible completions for string according to the and write it to standard output? |
| A. | compgen |
| B. | complete |
| C. | continue |
| D. | none of the mentioned |
| Answer» B. complete | |
| 10. |
A user executes the following command successfully: $ chmod +x file1.txt Which of the following is true of the output of this command? |
| A. | The command results in adding execute permission to the user who ran this command |
| B. | The command results in adding execute permission for the owner of the file |
| C. | The command results in an error since the file is not an executable file |
| D. | The command results in adding execute permission for all users (i.e., user,group & others) |
| Answer» E. | |
| 11. |
who cut d -f1 what is the ouput if the who command displays like this user1 tty 0 1234 |
| A. | user1 |
| B. | user1 tty 0 1234 |
| C. | tty |
| D. | tty 0 1234 |
| Answer» B. user1 tty 0 1234 | |
| 12. |
What command is used to count the total number of lines, words, and characters contained in a file? |
| A. | countw |
| B. | wcount |
| C. | wc |
| D. | count p |
| Answer» D. count p | |
| 13. |
The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is |
| A. | tee |
| B. | sort |
| C. | tr |
| D. | grep |
| Answer» D. grep | |
| 14. |
What TCP/IP protocol is used for file transfer with minimal capability and minimal overhead? |
| A. | TELNET |
| B. | TFTP |
| C. | FTP |
| D. | RARP |
| Answer» C. FTP | |
| 15. |
Which class network is used for a collection of a small number of networks with a large number of nodes? |
| A. | Class A |
| B. | Class B |
| C. | Class C |
| D. | All of the above |
| Answer» B. Class B | |
| 16. |
Which option of the command cd use the actual filesystem path for cd..and the value of pwd? |
| A. | -l |
| B. | -L |
| C. | -p |
| D. | -P |
| Answer» E. | |
| 17. |
Which command is used to select those lines where the data lies between 7000 and 7999 at the end of the line of file empl.lit. |
| A. | grep $7 empl.1st |
| B. | grep 7 ^ empl.1st |
| C. | grep 7 $ empl.1st |
| D. | grep ^7 empl.1st |
| Answer» D. grep ^7 empl.1st | |
| 18. |
Which of the following commands is used to count just the number of lines contained in a file? |
| A. | wc 1 |
| B. | wc - w |
| C. | wc - c |
| D. | wc - r |
| Answer» B. wc - w | |
| 19. |
Which of the following commands is used to count the total number of line, words and characters contained in a file? |
| A. | count p |
| B. | wcount |
| C. | wc |
| D. | countw |
| Answer» D. countw | |
| 20. |
Which of the following commands will allow the user to search contents of a file for a particular pattern |
| A. | touch |
| B. | grep |
| C. | find |
| D. | ls |
| Answer» C. find | |
| 21. |
What command is used to save the standard output in a file, as well as display it on the terminal? |
| A. | tee |
| B. | grep |
| C. | cat |
| D. | more |
| Answer» B. grep | |
| 22. |
Which command is used to concatenate all files beginning with the string emp and followed by non-numeric characters? |
| A. | catemp{!0-9] |
| B. | more [emp][!0-9] |
| C. | cateemp[x-z] |
| D. | catemp[a-z] |
| Answer» B. more [emp][!0-9] | |
| 23. |
One of the entry of /etc/passwd file is shown below: user1:x:1111:2222:McqMate:/home/user1:/bin/bash Which among the following will print userid and home dir in the following pattern user1:/home/user1 |
| A. | awk `{print $1 : $6}` /etc/passwd |
| B. | awk `{print $1 : $7}` /etc/passwd |
| C. | awk `{print $2 : $6}` /etc/passwd |
| D. | awk `{print $2 : $7}` /etc/passwd |
| Answer» B. awk `{print $1 : $7}` /etc/passwd | |
| 24. |
Which of the following commands can be used to change default permissions for files and directories at the time of creation |
| A. | Chmod |
| B. | Chown |
| C. | Umask |
| D. | Chgrp |
| Answer» D. Chgrp | |
| 25. |
Which command is used to display all the files including hidden files in your current and its subdirectories ? |
| A. | ls aR |
| B. | ls a |
| C. | ls R |
| D. | ls l |
| Answer» B. ls a | |