McqMate
| 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 | |
| 551. |
Which of the following is true of all Perl scripts ? |
| A. | meta characters are always preceded by a forward slash |
| B. | perl statements are always followed by a period |
| C. | parameters must always followed by period |
| D. | perl statements are always followed by a semicolon |
| Answer» D. perl statements are always followed by a semicolon | |
| 552. |
Scalar variables |
| A. | include string exclusively |
| B. | are defied two discrete values |
| C. | are the building blocks of more complicated data structure |
| D. | always operate in the same manner as variable in algebric function |
| Answer» C. are the building blocks of more complicated data structure | |
| 553. |
Which of the following expression operators increments a varibale by one ? |
| A. | .. |
| B. | . |
| C. | ** |
| D. | * |
| Answer» B. . | |
| 554. |
STDIN, or standard in, is a mechanism for |
| A. | performing type conversion automatically |
| B. | retrieving data from the user while a script is executing |
| C. | prompting the user for specific information |
| D. | outputting a string to standard out |
| Answer» B. retrieving data from the user while a script is executing | |
| 555. |
Perl is scripting language which is based on |
| A. | inerpreter |
| B. | compiler |
| C. | assembler |
| D. | all of the above |
| Answer» A. inerpreter | |
| 556. |
Perl define scalar variable by |
| A. | @ |
| B. | % |
| C. | $ |
| D. | # |
| Answer» C. $ | |
| 557. |
What is the extension of the perl file ? |
| A. | .p |
| B. | .pl |
| C. | .perl |
| D. | .pe |
| Answer» B. .pl | |
| 558. |
which is escape character in perl ? |
| A. | // |
| B. | ! |
| C. | \\ |
| D. | | |
| Answer» C. \\ | |
| 559. |
comments are placed inside a perl program file using the character |
| A. | @ |
| B. | % |
| C. | $ |
| D. | # |
| Answer» D. # | |
| 560. |
An array, in perl, is an |
| A. | un-ordered list of scalar data |
| B. | ordered list of scalar data |
| C. | ordered list of numbers |
| D. | none of the above |
| Answer» B. ordered list of scalar data | |
| 561. |
The logical operator op1 && op2 means |
| A. | performs a logical not of the operand |
| B. | performs a logical or of the two operands |
| C. | performs a logical and of the two operands |
| D. | performs alogical and then or of the two operands |
| Answer» C. performs a logical and of the two operands | |
| 562. |
Perl uses this <=> operator for |
| A. | equal |
| B. | comparision |
| C. | less than or equal |
| D. | greater than and equal |
| Answer» B. comparision | |
| 563. |
Which of the following statements is NOT TRUE statements ? |
| A. | perl chomp function will not remove all whitespace characters by default |
| B. | perl chomp function returns the number of characters removed |
| C. | perl chomp function checks whether the last character matches the input line separator and only then it deletes it. |
| D. | it deletes the last ending varibale character regardless of whatever it is. |
| Answer» D. it deletes the last ending varibale character regardless of whatever it is. | |
| 564. |
Default file accessed through a print statement in perl is |
| A. | stdin |
| B. | stdout |
| C. | stderr |
| D. | all of these |
| Answer» B. stdout | |
| 565. |
What is python ? |
| A. | it is object oriented programming language |
| B. | it is software package |
| C. | it is intrpreter |
| D. | it is assembly language |
| Answer» A. it is object oriented programming language | |
| 566. |
In python, the list L contains the following elements : ['A', 1,'1','George']. Which of the following ways of slicing would assign only the first two elements to the variable X ? |
| A. | l[1:2] |
| B. | x=l[0:1] |
| C. | x=[l[0:2] |
| D. | none of the above |
| Answer» C. x=[l[0:2] | |
| 567. |
"//" in pyhon is |
| A. | floor division operator |
| B. | comment |
| C. | new line |
| D. | none of the above |
| Answer» A. floor division operator | |
| 568. |
"**" in python is an |
| A. | exponentiation |
| B. | address of |
| C. | value redirection |
| D. | none of the above |
| Answer» A. exponentiation | |
| 569. |
In python, multi line string are given by |
| A. | single quotes |
| B. | double quotes |
| C. | triple quotes |
| D. | none of the above |
| Answer» C. triple quotes | |
| 570. |
python source code file has an extension of |
| A. | pys |
| B. | py |
| C. | src |
| D. | none of the above |
| Answer» B. py | |
| 571. |
which of the following translate and execute programe statements in sequence, instead of having separate translation and execution steps ? |
| A. | procedure |
| B. | interpreter |
| C. | paradigm |
| D. | compiler |
| Answer» B. interpreter | |
| 572. |
Which of the following procedure a true or false result ? |
| A. | control structure |
| B. | strong typing |
| C. | data types |
| D. | boolean express |
| Answer» D. boolean express | |
| 573. |
Which of the following language has an IF statement for making decision ? |
| A. | perl chomp function will |
| B. | c++ |
| C. | python |
| D. | all of these |
| Answer» D. all of these | |
| 574. |
Which of following language does not requires declarations ? |
| A. | java |
| B. | c++ |
| C. | python |
| D. | vb.net |
| Answer» C. python | |
| 575. |
Which of the following is not a valid data type in python ? |
| A. | int |
| B. | float |
| C. | double |
| D. | str |
| Answer» C. double | |
| 576. |
How do you find out what's your shell ? |
| A. | echo $shell |
| B. | echo $shell |
| C. | echo $shell |
| D. | echo shell |
| Answer» A. echo $shell | |
| 577. |
What is command to find out todays date ? |
| A. | time |
| B. | date |
| C. | cal |
| D. | cd |
| Answer» B. date | |
| 578. |
What's the command to find out users on the system ? |
| A. | who |
| B. | whoami |
| C. | user |
| D. | pwd |
| Answer» A. who | |
| 579. |
How do you find current directory you are in ? |
| A. | cd |
| B. | pwd |
| C. | chdir |
| D. | mkdir |
| Answer» B. pwd | |
| 580. |
Which variable contains current shell process id ? |
| A. | $* |
| B. | $? |
| C. | $$ |
| D. | $! |
| Answer» C. $$ | |
| 581. |
Which command is used to debug a shell script program ? |
| A. | set |
| B. | set -x |
| C. | debug |
| D. | db |
| Answer» B. set -x | |
| 582. |
How do you remove a file ? |
| A. | del |
| B. | rm |
| C. | cd |
| D. | rmdir |
| Answer» B. rm | |
| 583. |
How do you find your own username ? |
| A. | who |
| B. | user |
| C. | whoami |
| D. | root |
| Answer» C. whoami | |
| 584. |
Which of the following display content of file1 ? |
| A. | cat file1 |
| B. | cat > file1 |
| C. | cat >> file2 |
| D. | cat |
| Answer» A. cat file1 | |
| 585. |
Which of the following creates a file named file1 ? |
| A. | cat file1 |
| B. | cat > file1 |
| C. | cat < file1 |
| D. | cat |
| Answer» B. cat > file1 | |
| 586. |
What are the files attributes for executing perl programs ? |
| A. | 666 |
| B. | 755 |
| C. | 766 |
| D. | 777 |
| Answer» B. 755 | |
| 587. |
What is default administrator username ? |
| A. | administrator |
| B. | admin |
| C. | superuser |
| D. | root |
| Answer» D. root | |
| 588. |
The name of the Unix scheduling utility is |
| A. | sched |
| B. | cron |
| C. | sc |
| D. | timer |
| Answer» B. cron | |
| 589. |
Examples of repetitive tasks performed by system administrators |
| A. | disk space inventories |
| B. | security audits |
| C. | system backups |
| D. | all of the above |
| Answer» D. all of the above | |
| 590. |
Another term for shell programs is |
| A. | compiled |
| B. | interpreted |
| C. | command processed |
| D. | none of the above |
| Answer» B. interpreted | |
| 591. |
The Unix slang for " #! " is |
| A. | hash-bang |
| B. | shboom |
| C. | shebang |
| D. | more than one of the above |
| Answer» D. more than one of the above | |
| 592. |
Which of the following is not true of program variables |
| A. | can be exported to the entire system |
| B. | can be used only within the shell program |
| C. | can hold data |
| D. | all of the above |
| Answer» C. can hold data | |
| 593. |
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» D. none of the above | |
| 594. |
Shell script is preferable to other forms of programming because it |
| A. | makes programming task easier |
| B. | occupies less space |
| C. | enhances portability |
| D. | all of these |
| Answer» D. all of these | |
| 595. |
Choose the incorrect statements. |
| A. | shell scripts can accept arguments |
| B. | shell scipts are interp |
| C. | shell scripts are interpreted |
| D. | shell scripts are compiled |
| Answer» D. shell scripts are compiled | |
| 596. |
Files that store data in the same format as used in program are called |
| A. | binary files |
| B. | executable file |
| C. | source file |
| D. | core |
| Answer» D. core | |
| 597. |
Which of the following file names can be found in more than one directoy? |
| A. | date |
| B. | passwd |
| C. | bin |
| D. | both b and c |
| Answer» D. both b and c | |
| 598. |
Which one of the following options is not a shell in UNIX system? |
| A. | bourne shell |
| B. | c shell |
| C. | net shell |
| D. | korn shel |
| Answer» C. net shell | |
| 599. |
Which command is used to display the top of the file? |
| A. | cat |
| B. | more |
| C. | head |
| Answer» C. head | |
| 600. |
Lint should be used |
| A. | before compilation |
| B. | after compilation |
| C. | to analyze a c code |
| D. | none of the above |
| Answer» A. before compilation | |
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