McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) .
| 501. |
To invoke "bash" you type |
| A. | bsh |
| B. | sh |
| C. | bsh |
| D. | either a or c |
| Answer» C. bsh | |
| 502. |
The last character of the "bash" prompt is usually |
| A. | $ |
| B. | # |
| C. | % |
| D. | ? |
| Answer» A. $ | |
| 503. |
The part of the Unix operating system that interacts with the hardware is called |
| A. | gnu project |
| B. | the kernal |
| C. | the shell |
| D. | linux |
| Answer» C. the shell | |
| 504. |
To start a process in the background, enter the command with this character at the end. |
| A. | $ |
| B. | # |
| C. | & |
| D. | % |
| Answer» C. & | |
| 505. |
Which of the following is not a major Unix shell? |
| A. | x shell |
| B. | c shell |
| C. | bash shell |
| D. | korn shell |
| Answer» C. bash shell | |
| 506. |
A personal run control file for bash is |
| A. | .cshrc |
| B. | profile |
| C. | .bsh |
| D. | .bashrc |
| Answer» D. .bashrc | |
| 507. |
The shell in the Unix system is the |
| A. | outer layer of a seed |
| B. | user interface with the operating system |
| C. | provides a prompt |
| D. | both b and c |
| Answer» D. both b and c | |
| 508. |
Applications of Shell programming include |
| A. | simplifying complex jobs |
| B. | automating repetitive tasks |
| C. | both a and b |
| D. | none of the above |
| Answer» C. both a and b | |
| 509. |
Another term for shell programs is |
| A. | scripts |
| B. | c programs |
| C. | compiled programs |
| D. | shell command language |
| Answer» A. scripts | |
| 510. |
Shell programs are |
| A. | compiled |
| B. | interpreted |
| C. | command processed |
| D. | none of the above |
| Answer» B. interpreted | |
| 511. |
A shell program is a |
| A. | binary file |
| B. | system file |
| C. | text file |
| D. | linked file |
| Answer» C. text file | |
| 512. |
Comments in a shell program are important because |
| A. | keeps complex programs understandable |
| B. | other programmers may try to read your program |
| C. | you may revise an old program |
| D. | all of the above |
| Answer» D. all of the above | |
| 513. |
Flow control in a shell program allows parts of a shell program to be executed |
| A. | repeatedly |
| B. | conditionally |
| C. | all of the above |
| D. | none of the above |
| Answer» C. all of the above | |
| 514. |
In "bash", "if" constructs are ended with |
| A. | fi |
| B. | endif |
| C. | end |
| D. | none of the above |
| Answer» A. fi | |
| 515. |
Which of the following is not a iterative construct in "bash"? |
| A. | if |
| B. | for |
| C. | until |
| D. | while |
| Answer» A. if | |
| 516. |
A loop that continues indefinitely is called a |
| A. | indefinite loop |
| B. | non-stop loop |
| C. | infinite loop |
| D. | none of the above |
| Answer» C. infinite loop | |
| 517. |
The asterisk is a metacharacter which in the command "ls *.txt" means |
| A. | any single character |
| B. | any combination of one or more characters |
| C. | any combination of zero or more characters |
| D. | none of the above |
| Answer» C. any combination of zero or more characters | |
| 518. |
A metacharacter is any character that |
| A. | is taken literally |
| B. | represents any string of characters that fit its definition |
| C. | is an "asterisk" or "question mark" |
| D. | all of the above |
| Answer» B. represents any string of characters that fit its definition | |
| 519. |
Which of the following Unix utilities are not commonly used to process regular expressions? |
| A. | grep |
| B. | sed |
| C. | cut |
| D. | awk |
| Answer» C. cut | |
| 520. |
Which programming language has a powerful regular expression engine? |
| A. | c++ |
| B. | perl |
| C. | pearl |
| D. | c |
| Answer» B. perl | |
| 521. |
Which meta-noncharacter is used to indicate the end of the line? |
| A. | ^ |
| B. | ? |
| C. | > |
| D. | $ |
| Answer» D. $ | |
| 522. |
Which meta-noncharacter is used to indicate the beginning of the line? |
| A. | ^ |
| B. | ? |
| C. | < |
| D. | $ |
| Answer» A. ^ | |
| 523. |
The character separating fields is called a |
| A. | separator |
| B. | delimiter |
| C. | blank |
| D. | semicolon |
| Answer» B. delimiter | |
| 524. |
"Awk" is a program that is primarily concerned with formatting output. It is designed to work best with pieces of data called |
| A. | records |
| B. | characters |
| C. | fields |
| D. | strings |
| Answer» C. fields | |
| 525. |
A bootstrap is : |
| A. | the flat cable that connects the cpu to thre printer |
| B. | the flat cable from the disk controller card to the disk driver |
| C. | additional memory device |
| D. | a small intialization program to start up the computer |
| Answer» D. a small intialization program to start up the computer | |
| 526. |
Which process checks to ensure the componenets of the computer and operating system are connected properly ? |
| A. | booting |
| B. | processing |
| C. | saving |
| D. | editing |
| Answer» A. booting | |
| 527. |
The main difference between application and system software is that ……… |
| A. | application software is composed of program instruction but system software is not |
| B. | application software is stored in memory whereas system software is only the cap |
| C. | system software is unnecessary wheras application software must be present on the computer |
| D. | system software manages hardware wheras application software performs user tasks |
| Answer» D. system software manages hardware wheras application software performs user tasks | |
| 528. |
BIOS stands for ………. |
| A. | boss india operating system |
| B. | basic input operating system |
| C. | basic input output system |
| D. | boston input output system |
| Answer» C. basic input output system | |
| 529. |
What is size of master boot record ? |
| A. | 256 byte segment |
| B. | 512 byte segment |
| C. | 1024 byte segment |
| D. | 128 byte segment |
| Answer» B. 512 byte segment | |
| 530. |
What is master boot record ? |
| A. | the master boot record is the information in the first sector of any hard disk |
| B. | the master boot record is the information in the first sector of any floopy |
| C. | the master boot record contains information about operating system |
| D. | all of these |
| Answer» A. the master boot record is the information in the first sector of any hard disk | |
| 531. |
GRUB stands for ……… |
| A. | grand unified boot loader |
| B. | greater rochester urban bounty |
| C. | greedy reclamation of unused bandwidth |
| D. | none of the above |
| Answer» A. grand unified boot loader | |
| 532. |
By default, GRUB reads its default boot configuration from……… |
| A. | /boot/grub/menu.lst |
| B. | /boot/grub/splash.x pm.gz |
| C. | /boot |
| D. | grub.config |
| Answer» A. /boot/grub/menu.lst | |
| 533. |
To enter command line mode from GRUB boot screen, type |
| A. | d |
| B. | c |
| C. | find |
| D. | boot |
| Answer» B. c | |
| 534. |
At run level the system is complelety shut down. |
| A. | 4 |
| B. | 3 |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 535. |
Which command is used for changing init's run level once the system is up ? |
| A. | inittab |
| B. | telinit |
| C. | restart |
| D. | chkconfig |
| Answer» B. telinit | |
| 536. |
Runlevel System command is used for |
| A. | getting the present and previous runlevel of the system |
| B. | setting the runlevel attribute of the system in the inittab file |
| C. | can be used to restart or reboot the system |
| D. | all of the above |
| Answer» D. all of the above | |
| 537. |
Pick the run level to run Linux in Multi user mode with networking |
| A. | 0 |
| B. | 3 |
| C. | 5 |
| D. | 6 |
| Answer» B. 3 | |
| 538. |
What command be used to find the systems previous run level ? |
| A. | runlevel |
| B. | level |
| C. | rlevel previous |
| D. | show level previous |
| Answer» A. runlevel | |
| 539. |
You want to have the process /etc/myprocess run when the system enters run level 3. Which of the following inittab entries would accomplish this ? |
| A. | 5:3.once:/etc/myproces s |
| B. | 3:4:once:/etc/mypr ocess |
| C. | once:3:4:/etc/myp rocess |
| D. | once:5:3:/etc/my process |
| Answer» A. 5:3.once:/etc/myproces s | |
| 540. |
Which of the following syslog.config entries would cause kernel error message to be sent to the system console ? |
| A. | kern warning console |
| B. | kern.error console |
| C. | kern.warning/dev/ console |
| D. | kern error console |
| Answer» C. kern.warning/dev/ console | |
| 541. |
What option can be used with shutdown command to send a warning message alerting users that the system will be shutdown ? |
| A. | shutdown -k |
| B. | shutdown -w |
| C. | shutdown -a |
| D. | shutdown -c |
| Answer» A. shutdown -k | |
| 542. |
You want there to be 3 grace days after a password expires before an account becomes disabled. How would you do this ? |
| A. | use the useradd command with the -f switch |
| B. | check the delay option in user admin |
| C. | edit the user\s user.config file |
| D. | use the useradd command with the -d switch |
| Answer» A. use the useradd command with the -f switch | |
| 543. |
You want to install lilo. Which of the following would you do to accomplish this ? |
| A. | lilo -u |
| B. | remove lilo |
| C. | uninstall lilo |
| D. | lilo -r |
| Answer» A. lilo -u | |
| 544. |
You want to view a listing of previously enetered commands. What command would you use ? |
| A. | hist |
| B. | histfile |
| C. | showbuff |
| D. | history |
| Answer» D. history | |
| 545. |
You want to add files to a previously created tar file. You want to replace existing files with newer files, how can you do this ? |
| A. | use the append command |
| B. | use the tar command with the - t switch |
| C. | use the add command |
| D. | use the tar command with the -u switch |
| Answer» D. use the tar command with the -u switch | |
| 546. |
Perl stands for |
| A. | practical extraction and report language |
| B. | practical extraction and ready language |
| C. | post expression and report language |
| D. | none of the above |
| Answer» A. practical extraction and report language | |
| 547. |
What is output of following perl program ? My $val='x'; print ref($val); |
| A. | scalar |
| B. | empty value |
| C. | string |
| D. | "not a reference" |
| Answer» B. empty value | |
| 548. |
perl |
| A. | is an effective multi tasking langugae that requires a great deal of development time. |
| B. | is easy to learn and use, but awkward when dealing with compex tasks. |
| C. | is available in all major operating system, but is quite expensive |
| D. | can handle a variety of tasks involving large amounts of data with ease |
| Answer» D. can handle a variety of tasks involving large amounts of data with ease | |
| 549. |
What is the first line in every perl script that contains special instructions to the operating system ? |
| A. | the perl interpreter line |
| B. | the shebang line the perl statement |
| C. | the standard out line |
| D. | the perl statement |
| Answer» B. the shebang line the perl statement | |
| 550. |
The print function |
| A. | retrives data from the user while a script is executing |
| B. | prompts the user for specific information |
| C. | modifies a string |
| D. | outputs a string to standard out |
| Answer» D. outputs a string to standard out | |
Done Studing? Take A Test.
Great job completing your study session! Now it's time to put your knowledge to the test. Challenge yourself, see how much you've learned, and identify areas for improvement. Don’t worry, this is all part of the journey to mastery. Ready for the next step? Take a quiz to solidify what you've just studied.