McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Computer Science (BSc CS) .
| 1. |
/temp is a type of filesystem directory |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following commands delete the files from the /tmp directory, issued by non-root user? |
| A. | rmdir -rf /tmp/* |
| B. | rm -rf /tmp/* -su |
| C. | su -c “rm -rf /tmp/*” |
| D. | su “rm -rf /tmp/*” |
| Answer» C. su -c “rm -rf /tmp/*” | |
| 3. |
Echo is used to Display message on screen. Which of the following options below should be used with echo to not output the trailing newline? |
| A. | /e |
| B. | /n |
| C. | -n |
| D. | both b and c |
| Answer» C. -n | |
| 4. |
The basic function of ______________ is to search files for lines (or other units of text) that contain a pattern. |
| A. | awk |
| B. | search |
| C. | %awk |
| D. | cat |
| Answer» A. awk | |
| 5. |
What is the content of /etc directory? |
| A. | Configuration files for your system. |
| B. | Contains the system startup scripts |
| C. | Both a and b |
| D. | User specific settings for programs like IRC, X etc. |
| Answer» C. Both a and b | |
| 6. |
What is the difference between linux file system and windows file system? |
| A. | Under Linux, the various partitions are detected at boot and assigned a drive letter whereas Under windows, unless you mount a partition or a device, the system does not know of the existence of that partition or device. |
| B. | Under Windows, the various partitions are detected at boot and assigned a drive letter whereas Under Linux, unless you mount a partition or a device, the system does not know of the existence of that partition or device. |
| C. | Under Windows, the various partitions are detected at reboot and assigned a drive letter whereas Under Linux, unless you mount a partition or a device, the system does not know of the existence of that partition or device. |
| D. | Under Windows, the various partitions are detected at reboot and assigned a drive letter whereas Under Linux, you mount a partition or a device. |
| Answer» B. Under Windows, the various partitions are detected at boot and assigned a drive letter whereas Under Linux, unless you mount a partition or a device, the system does not know of the existence of that partition or device. | |
| 7. |
Which of the following below is/are true for Date command? |
| A. | It can work w/o arguments |
| B. | It always needs an argument |
| C. | It always need to have a+ as an argument |
| D. | None of the above |
| Answer» A. It can work w/o arguments | |
| 8. |
What is the default number of shell commands saved in the history list of .cshrc file? |
| A. | 200 |
| B. | 100 |
| C. | 150 |
| D. | 175 |
| Answer» A. 200 | |
| 9. |
mount -r is used to mount a file in read only mode |
| A. | True |
| B. | False |
| Answer» A. True | |
| 10. |
The advantage of using NFS rather than Samba for file sharing in Linux is |
| A. | files saved as .tar extension |
| B. | compressed files |
| C. | compatibility with Windows file sharing |
| D. | None of the above |
| Answer» C. compatibility with Windows file sharing | |
| 11. |
Which of the following supports for creating a Linux VPN (Virtual Private Network)? |
| A. | RC2 |
| B. | 3DES |
| C. | chap |
| D. | NTLMv2 |
| Answer» B. 3DES | |
| 12. |
Find command can search for files by |
| A. | date |
| B. | size |
| C. | name |
| D. | all of above |
| Answer» D. all of above | |
| 13. |
How can we find the current value for shell variables? |
| A. | Set command |
| B. | Display command |
| C. | val command |
| D. | Currval command |
| Answer» A. Set command | |
| 14. |
CWD is a type of shell variable |
| A. | True |
| B. | False |
| Answer» A. True | |
| 15. |
Which framework is provided for the programs to interchange information about Linux OS? |
| A. | Resource Sharing Framework |
| B. | Resource Security Framework |
| C. | Information Sharing Framework |
| D. | Resource Definition Framework |
| Answer» D. Resource Definition Framework | |
| 16. |
What is the difference between PATH and path? |
| A. | PATH and path specify directories to search for commands and programs |
| B. | Both variables always represent the same directory list |
| C. | altering either automatically causes the other to be changed |
| D. | All choices are correct. |
| Answer» D. All choices are correct. | |
| 17. |
How much usable space is available, when a Linux system is configured with a RAID 5 array that consists of six 20 GB hard disk drives? |
| A. | 80 |
| B. | 100 |
| C. | 120 |
| D. | 60 |
| Answer» C. 120 | |
| 18. |
Which of the following below are environmental variables? |
| A. | USER |
| B. | HOME |
| C. | both a and b |
| D. | VARHOST |
| Answer» C. both a and b | |
| 19. |
Applications written to provide a GUI shell for Unix and Linux are called |
| A. | DOS |
| B. | x windows |
| C. | OS/2 |
| D. | Vista |
| Answer» B. x windows | |
| 20. |
Which of the following commands can be used to check for file corruption? |
| A. | md5sum |
| B. | checkfile |
| C. | cat -vet |
| D. | tar –checksum |
| Answer» A. md5sum | |
| 21. |
Starting or restarting a computer is called |
| A. | booting the system |
| B. | firing the system |
| C. | tasking the system |
| D. | restoring the system |
| Answer» A. booting the system | |
| 22. |
This type of boot occurs when the computer is already on, and you restart it without turning off the power. |
| A. | generic boot |
| B. | live boot |
| C. | warm boot |
| D. | cold boot |
| Answer» C. warm boot | |
| 23. |
The ‘logout’ built in command is used to |
| A. | shutdown the computer |
| B. | logoff of the computer |
| C. | logout the current user |
| D. | to exit the current shell |
| Answer» D. to exit the current shell | |
| 24. |
The command ‘umask -S’ |
| A. | prints the current mask using symbolic notation |
| B. | prints the current mask using octal numbers |
| C. | sets the mask to 000 |
| D. | sets the mask to 777 |
| Answer» A. prints the current mask using symbolic notation | |
| 25. |
Which command puts a script to sleep untill a signal is recieved? |
| A. | sleep |
| B. | suspend |
| C. | disown |
| D. | break |
| Answer» B. suspend | |
| 26. |
Which of the following below are true functionalities of shell? |
| A. | Authenticates user |
| B. | Interprets commands |
| C. | Allocates time and memory to programs |
| D. | Only a and b |
| Answer» B. Interprets commands | |
| 27. |
A process can run only in the background |
| A. | True |
| B. | False |
| Answer» B. False | |
| 28. |
Which of the following below are true functionalities of Kernel? |
| A. | Allocates time and memory to programs |
| B. | Authenticates user |
| C. | Interprets commands |
| D. | All choices are correct |
| Answer» A. Allocates time and memory to programs | |
| 29. |
To implement new application on IBM z/10. Which of the following options need to be considered if it to be implemented in Linux? |
| A. | IBMz/OS outperforms Red Hat Linux in commercial workloads |
| B. | IBMz/OS is more expensive, Linux is shareware |
| C. | Red Hat Linux does not support all devices supported by IBMz/OS |
| D. | z/OS is supported by IBM SupportLine, whereas Red Hat Linux can only be supported by Red Hat |
| Answer» C. Red Hat Linux does not support all devices supported by IBMz/OS | |
| 30. |
A process is identified by a unique |
| A. | Pid |
| B. | Id |
| C. | processed |
| D. | proid |
| Answer» A. Pid | |
| 31. |
Which command reduces the size of a file? |
| A. | pzip |
| B. | gcat |
| C. | pgcat |
| D. | gzip |
| Answer» D. gzip | |
| 32. |
Which of the following has greater market share of Linux SW/HW |
| A. | Linux on z10 |
| B. | Linux HP integrity server |
| C. | Linux on AS/400 servers locate |
| D. | Linux on DELL Xeon |
| Answer» A. Linux on z10 | |
| 33. |
Which of the following is the BEST way to set up SSH(Secure Shell) for communicating between System without needing passwords? |
| A. | Use ssh-keygen for generating public-private keys. |
| B. | Disable passwords on specific accounts that will use SSH. |
| C. | Both A and B |
| D. | None of the above |
| Answer» A. Use ssh-keygen for generating public-private keys. | |
| 34. |
Which of the following commands can be run to remove all the rules in an iptable table? |
| A. | iptable-L |
| B. | iptable-A |
| C. | iptable-F |
| D. | iptable-delete |
| Answer» C. iptable-F | |
| 35. |
Which command is used to see the online manual? |
| A. | Man |
| B. | manual |
| C. | *man |
| D. | %man |
| Answer» A. Man | |
| 36. |
The head command writes the first ____________ lines of a file to screen. |
| A. | Five |
| B. | Twenty |
| C. | Ten |
| D. | Fifteen |
| Answer» C. Ten | |
| 37. |
Which command is used to clear the screen? |
| A. | % clear |
| B. | clear |
| C. | clrscr |
| D. | either a or c |
| Answer» B. clear | |
| 38. |
Which command is used to find what is in your home directory? |
| A. | % List |
| B. | % Is |
| C. | % home |
| D. | Either a or c |
| Answer» B. % Is | |
| 39. |
Pipe symbol is represented by |
| A. | || |
| B. | | |
| C. | ^ |
| D. | $ |
| Answer» B. | | |
| 40. |
What is the shortcut to the login directory? |
| A. | shift+cd |
| B. | cd+enter key |
| C. | alt+ctrl+cd |
| D. | ctrl+cd |
| Answer» B. cd+enter key | |
| 41. |
What is used to search files for specified words or patterns? |
| A. | Less |
| B. | Srch |
| C. | %src |
| D. | Grep |
| Answer» D. Grep | |
| 42. |
cd home to get back to your home-directory? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 43. |
> symbol is used to redirect the output of a command |
| A. | True |
| B. | False |
| Answer» A. True | |
| 44. |
Which character is used to match exactly one character? |
| A. | | |
| B. | * |
| C. | ^ |
| D. | ? |
| Answer» D. ? | |
| 45. |
The hierarchy of a series of directories branching in a user system starts from |
| A. | home |
| B. | root |
| C. | /home |
| D. | /root |
| Answer» C. /home | |
| 46. |
What PHP stands for? |
| A. | Hypertext Preprocessor |
| B. | Pre Hypertext Processor |
| C. | Pre Hyper Processor |
| D. | Pre Hypertext Process |
| Answer» D. Pre Hypertext Process | |
| 47. |
How does the identity operator === compare two values? |
| A. | It converts them to a common compatible data type and then compares the resulting values |
| B. | It returns True only if they are both of the same type and value |
| C. | If the two values are strings, it performs a lexical comparison |
| D. | It bases its comparison on the C strcmp function exclusively |
| Answer» A. It converts them to a common compatible data type and then compares the resulting values | |
| 48. |
Under what circumstance is it impossible to assign a default value to a parameter while declaring a function? |
| A. | When the parameter is Boolean |
| B. | When the function is being declared as a member of a class |
| C. | When the parameter is being declared as passed by reference |
| D. | When the function contains only one parameter |
| Answer» C. When the parameter is being declared as passed by reference | |
| 49. |
Variables always start with a ........ in PHP |
| A. | Pond-sign |
| B. | Yen-sign |
| C. | Dollar-sign |
| D. | Euro-sign |
| Answer» C. Dollar-sign | |
| 50. |
What is the value displayed when the following is executed? Assume that the code was executed using the following URL:
|
| A. | 25 |
| B. | -5 |
| C. | 10 |
| D. | 5 |
| Answer» B. -5 | |
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