Unix/Lunux/Linux Mcqs Questions Set 10 Sample Test,Sample questions

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Question: 
After using the shared library, memory can be done free by calling

1.dlclose

2.slclose

3.lclose

4.none of the mentioned

Question: 
At the time of debugging with GDB, if we just press ENTER

1.GDB will repeat the same command you just gave it

2.GDB will do nothing

3.GDB will exit

4.None of the mentioned

Question: 
 If we do not specify the executable file name at the compilation time in GCC, then in linux the compiler creates executable named as

1. a.out

2.a.exe

3.x.out

4.x.exe

Question: 
Command line parameters are passed by the

1.preprocessor

2.assembler

3.compiler

4.linker

Question: 
For a shared library, version number is changed when

1.changes done in code make the shared library incompatible with the previous version

2.changes done in code does not make the shared library incompatible with the previous version

3.when minor number is changed

4.none of the mentioned

Question: 
For debugging with GDB, the compiled program can be run by the command

1.run

2.execute

3./<filename>

4.none of the mentioned

Question: 
For debugging with GDB, the file “sanfoundry” can be created with the command

1.gcc -g -o sanfoundry sanfoundry.c

2.gcc -g sanfoundry.c

3.gdb sanfoundry

4.none of the mentioned

Question: 
GDB can be used for

1.c language

2.c++ language

3.both c and c++ language

4.none of the mentioned

Question: 
GDB stands for

1.GNU debugger

2.General debugging breakpoint

3.General debugger

4.None of the mentioned

Question: 
If a program is linked against a static library then

1.machine code of the used function is copied in the executable

2.used function definition is copied into the preprocessd code

3.used function definition is provided at the time of compiling

4.none of the mentioned

Question: 
If sanfoundry.c is compiled with GCC, then the sanfoundry.s file will contain the

1.assembly code

2.machine code

3.preprocessed code

4.expanded source code

Question: 
In debugging with GDB, break points can be set to

1.any line

2.any function

3.both any line and function

4.none of the mentioned

Question: 
In GCC compiler, “-shared” option is given to create the shared library with

1.source files

2.object files

3.executables

4.none of the mentioned

Question: 
In GDB debugging, we can proceed to the next breakpoint with command

1.next

2.continue

3.both next and continue

4.none of the mentioned

Question: 
In GDB, breakpoints can be set by the command

1.break

2.b

3.both break and b

4.none of the mentioned

Question: 
In linux shared libraries has the extension of

1..so

2..si

3..sl

4.none of the mentioned

Question: 
In linux, shared library is a

1.text file

2.binary file

3.device file

4.none of the mentioned

Question: 
In linux, the static libraries are mostly installed in

1./usr/lib

2./usr/local/lib

3.both /usr/lib and /usr/local/lib

4.none of the mentioned

Question: 
In Linux, the static libraries can be created by

1.ar command

2.as command

3.ap command

4.aq command

Question: 
In Linux, the static library has the extension of

1..a

2..b

3..c

4..d

Question: 
In the preprocessing stage of compilation

1.header files are actually expanded and included in the source code of the program

2.macros are replaced by their respective values

3.all the comments are stripped off

4.all of the mentioned

Question: 
Libraries can be linked with ____ to create executables.

1.other libraries

2.other object files

3.both other libraries and object files

4.none of the mentioned

Question: 
Preprocessed files are given the file extension _____ for c++ programs.

1..i

2. .ii

3..iii

4.none of the mentioned

Question: 
Shared libraries are linked with the program

1.at the time of creation of executable

2.at the run time

3.at the time of creation of executable & run time

4.none of the mentioned

Question: 
Shared libraries can be shared between

1.various running programs

2.only 2 running programs

3.only 8 running programs

4.none of the mentioned

Question: 
The a.out file is in the

1.ELF format

2.EXE format

3.Both EXE and ELF format

4.None of the mentioned

Question: 
The archive(ar) utility in linux can

1.create a new static library

2.insert the object files into the static library

3.replace the object files into the static library

4.all of the mentioned

Question: 
The assembly code is converted into the machine code by

1.compiler

2.assembler

3.linker

4.none of the mentioned

Question: 
The assmebly code generated depends upon the

1.processor archietecture

2.ram size

3.both processor archietecture and RAM size

4.none of the mentioned

Question: 
The COFF stands for

1.common object file format

2.combined operation for file formats

3.combined object file format

4.none of the mentioned

Question: 
The command “gdb sanfoundy”

1.will start debugging for the file “sanfoundry” if the file is compiled with -g option with GCC

2.will create executable for debugging

3.will provide all errors present in the file “sanfoundry”

4.none of the mentioned

Question: 
The compiler converts

1.assembly code into machine code

2.preprocessed source code into assembly code

3.machine code into assembly code

4.none of the mentioned

Question: 
The correct sequence of GCC compilation process is

1.preprocessing -> compilation -> assemble -> linking

2.assemble -> preprocessing -> compilation -> linking

3.preprocessing -> assemble -> compilation -> linking

4.none of the mentioned

Question: 
The library contains the

1.pre-compiled object files

2.source files

3.header files

4.none of the mentioned

Question: 
The lines in our code that begin with the “#” character are

1.preprocessor directives

2.macros

3.header files

4.none of the mentioned

Question: 
The macros specifies in source code are expanded by

1.preprocessor

2.assembler

3.compiler

4.linker

Question: 
The object file contains the

1.assembly code

2.machine code

3.modified source code

4.none of the mentioned

Question: 
The preprocessor creates the file with extension

1..a

2..i

3..s

4..o

Question: 
The preprocessor removes the _______ from the source code.

1.comments

2.header files

3.both comments and header files

4.none of the mentioned

Question: 
To print the value of a variable while debugging with GDB, ______ command can be used.

1.printf

2.print

3.show

4.none of the mentioned

Question: 
To use the static library in the program

1.header file must be provided to in the source code

2.path for the library must be specified

3.header file must be provided to in the source code & path for the library must be specified

4.none of the mentioned

Question: 
What is the role of linker in the compilation process?

1.linker links the object code with the library code

2.linker converts machine code into executable machine code

3.linker generates an executable file

4.all of the mentioned

Question: 
When a program is linked with a shared library

1.only a small table is created in the executable

2.executable contains the whole content of respective .so file

3.executable contains nothing related with the shared libraries

4.none of the mentioned

Question: 
Which command can be used to update the shared library system?

1.lconfig

2.ldconfig

3.slconfig

4.none of the mentioned

Question: 
Which compilation step makes sure that all the undefined symbols in the code are resolved.

1.linking

2.compiling

3.preporcessing

4.none of the mentioned

Question: 
Which gcc option is used to specify the library?

1.-c

2.-l

3.-a

4.-o

Question: 
Which one of the following command can be used to provide executable permissions for a file?

1.chmod +x <filename>

2.chmod 777 <filename>

3.both chmod +x and chmod 777

4.none of the mentioned

Question: 
Which one of the following command can list the symbols defined in a library?

1.mn

2.nm

3.nn

4.mm

Question: 
Which one of the following is not true?

1.we need to manually go through all intermediate stages to generate an executable in gcc

2.gcc compilation process always contains 4 stages

3.gcc compilation process always contains 3 stages

4.none of the mentioned

Question: 
Which option of GCC compiler provides the linking with shared libraries?

1.-lmylib

2.-lib

3.-mylib

4.none of the mentioned

Posted on by R4R Team

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