MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For a shared library, version number is changed when |
| A. | changes done in code make the shared library incompatible with the previous version |
| B. | changes done in code does not make the shared library incompatible with the previous version |
| C. | when minor number is changed |
| D. | none of the mentioned |
| Answer» B. changes done in code does not make the shared library incompatible with the previous version | |
| 2. |
Shared libraries are linked with the program |
| A. | at the time of creation of executable |
| B. | at the run time |
| C. | at the time of creation of executable & run time |
| D. | none of the mentioned |
| Answer» C. at the time of creation of executable & run time | |
| 3. |
After using the shared library, memory can be done free by calling |
| A. | dlclose |
| B. | slclose |
| C. | lclose |
| D. | none of the mentioned |
| Answer» B. slclose | |
| 4. |
Which option of GCC compiler provides the linking with shared libraries? |
| A. | -lmylib |
| B. | -lib |
| C. | -mylib |
| D. | none of the mentioned |
| Answer» B. -lib | |
| 5. |
In GCC compiler, “-shared” option is given to create the shared library with |
| A. | source files |
| B. | object files |
| C. | executables |
| D. | none of the mentioned |
| Answer» C. executables | |
| 6. |
In linux, shared library is a |
| A. | text file |
| B. | binary file |
| C. | device file |
| D. | none of the mentioned |
| Answer» C. device file | |
| 7. |
Shared libraries can be shared between |
| A. | various running programs |
| B. | only 2 running programs |
| C. | only 8 running programs |
| D. | none of the mentioned |
| Answer» B. only 2 running programs | |
| 8. |
When a program is linked with a shared library |
| A. | only a small table is created in the executable |
| B. | executable contains the whole content of respective .so file |
| C. | executable contains nothing related with the shared libraries |
| D. | none of the mentioned |
| Answer» B. executable contains the whole content of respective .so file | |
| 9. |
In linux shared libraries has the extension of |
| A. | .so |
| B. | .si |
| C. | .sl |
| D. | none of the mentioned |
| Answer» B. .si | |
| 10. |
The archive(ar) utility in linux can |
| A. | create a new static library |
| B. | insert the object files into the static library |
| C. | replace the object files into the static library |
| D. | all of the mentioned |
| Answer» E. | |
| 11. |
Which one of the following command can list the symbols defined in a library? |
| A. | mn |
| B. | nm |
| C. | nn |
| D. | mm |
| Answer» C. nn | |
| 12. |
In linux, the static libraries are mostly installed in |
| A. | /usr/lib |
| B. | /usr/local/lib |
| C. | both /usr/lib and /usr/local/lib |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 13. |
Which gcc option is used to specify the library? |
| A. | -c |
| B. | -l |
| C. | -a |
| D. | -o |
| Answer» C. -a | |
| 14. |
To use the static library in the program |
| A. | header file must be provided to in the source code |
| B. | path for the library must be specified |
| C. | header file must be provided to in the source code & path for the library must be specified |
| D. | header file must be provided to in the source code & path for the library must be specified |
| Answer» D. header file must be provided to in the source code & path for the library must be specified | |
| 15. |
If a program is linked against a static library then |
| A. | machine code of the used function is copied in the executable |
| B. | used function definition is copied into the preprocessd code |
| C. | used function definition is provided at the time of compiling |
| D. | none of the mentioned |
| Answer» B. used function definition is copied into the preprocessd code | |
| 16. |
In Linux, the static libraries can be created by |
| A. | ar command |
| B. | as command |
| C. | ap command |
| D. | aq command |
| Answer» B. as command | |
| 17. |
Libraries can be linked with ____ to create executables. |
| A. | other libraries |
| B. | other object files |
| C. | both other libraries and object files |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 18. |
The library contains the |
| A. | pre-compiled object files |
| B. | source files |
| C. | header files |
| D. | none of the mentioned |
| Answer» B. source files | |
| 19. |
In Linux, the static library has the extension of |
| A. | .a |
| B. | .b |
| C. | .c |
| D. | .d |
| Answer» B. .b | |
| 20. |
The COFF stands for |
| A. | common object file format |
| B. | combined operation for file formats |
| C. | combined object file format |
| D. | none of the mentioned |
| Answer» B. combined operation for file formats | |
| 21. |
The assmebly code generated depends upon the |
| A. | processor archietecture |
| B. | ram size |
| C. | both processor archietecture and RAM size |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 22. |
Preprocessed files are given the file extension _____ for c++ programs. |
| A. | .i |
| B. | .ii |
| C. | .iii |
| D. | none of the mentioned |
| Answer» E. | |
| 23. |
Which compilation step makes sure that all the undefined symbols in the code are resolved |
| A. | linking |
| B. | compiling |
| C. | preporcessing |
| D. | none of the mentioned |
| Answer» B. compiling | |
| 24. |
In the preprocessing stage of compilation |
| A. | header files are actually expanded and included in the source code of the program |
| B. | macros are replaced by their respective values |
| C. | all the comments are stripped off |
| D. | all of the mentioned |
| Answer» E. | |
| 25. |
Command line parameters are passed by the |
| A. | preprocessor |
| B. | assembler |
| C. | compiler |
| D. | linker |
| Answer» E. | |
| 26. |
The lines in our code that begin with the “#” character are |
| A. | preprocessor directives |
| B. | macros |
| C. | header files |
| D. | none of the mentioned |
| Answer» B. macros | |
| 27. |
Which one of the following command can be used to provide executable permissions for a file? |
| A. | chmod +x <filename> |
| B. | chmod 777 <filename |
| C. | both chmod +x and chmod 777 |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 28. |
The a.out file is in the |
| A. | ELF format |
| B. | EXE format |
| C. | Both EXE and ELF format |
| D. | None of the mentioned |
| Answer» B. EXE format | |
| 29. |
The preprocessor creates the file with extension |
| A. | .a |
| B. | .i |
| C. | .s |
| D. | .o |
| Answer» C. .s | |
| 30. |
The macros specifies in source code are expanded by |
| A. | preprocessor |
| B. | assembler |
| C. | compiler |
| D. | linker |
| Answer» B. assembler | |
| 31. |
If we do not specify the executable file name at the compilation time in GCC, then in linux the compiler creates executable named as |
| A. | a.out |
| B. | a.exe |
| C. | x.out |
| D. | x.exe |
| Answer» B. a.exe | |
| 32. |
The object file contains the |
| A. | assembly code |
| B. | machine code |
| C. | modified source code |
| D. | none of the mentioned |
| Answer» C. modified source code | |
| 33. |
What is the role of linker in the compilation process? |
| A. | linker links the object code with the library code |
| B. | linker converts machine code into executable machine code |
| C. | linker converts machine code into executable machine code |
| D. | all of the mentioned |
| Answer» E. | |
| 34. |
The assembly code is converted into the machine code by |
| A. | compiler |
| B. | assembler |
| C. | linker |
| D. | none of the mentioned |
| Answer» C. linker | |
| 35. |
The compiler converts |
| A. | assembly code into machine code |
| B. | preprocessed source code into assembly code |
| C. | machine code into assembly code |
| D. | none of the mentioned |
| Answer» C. machine code into assembly code | |
| 36. |
The preprocessor removes the _______ from the source code. |
| A. | comments |
| B. | comments |
| C. | both comments and header files |
| D. | none of the mentioned |
| Answer» B. comments | |
| 37. |
The correct sequence of GCC compilation process is |
| A. | preprocessing -> compilation -> assemble -> linking |
| B. | assemble -> preprocessing -> compilation -> linking |
| C. | preprocessing -> assemble -> compilation -> linking |
| D. | none of the mentioned |
| Answer» B. assemble -> preprocessing -> compilation -> linking | |
| 38. |
Which gcc option reports the cpu time taken by each subprocess in the compilation sequence? |
| A. | -time |
| B. | -cpu |
| C. | -process |
| D. | none of the mentioned |
| Answer» B. -cpu | |
| 39. |
Which option of the gcc is used to warn is padding is included in structure? |
| A. | -Wpadded |
| B. | -Wpad |
| C. | -Wpadding |
| D. | None of the mentioned |
| Answer» B. -Wpad | |
| 40. |
The command line options of gcc can also be read from a file with |
| A. | @ |
| B. | $ |
| C. | # |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 41. |
The gcc option -Wunused warns when a _____ variable is unused aside from its declaration. |
| A. | variable |
| B. | function |
| C. | macro |
| D. | none of the mentioned |
| Answer» B. function | |
| 42. |
Pipes are used rather than temporary files for communication between the various stages of compilation in gcc when |
| A. | -pipe option is used |
| B. | -temp option is used |
| C. | –disable -temp option is used |
| D. | none of the mentioned |
| Answer» B. -temp option is used | |
| 43. |
Which gcc option undefines a preprocessor macro? |
| A. | -U |
| B. | -u |
| C. | -undefine |
| D. | none of the mentioned |
| Answer» B. -u | |
| 44. |
The -Wextra option of gcc |
| A. | is same as -w option |
| B. | does not exist |
| C. | enables extra warning messages |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 45. |
Which option of gcc makes the compiler print out each function name as it is compiled, and print some statistics about each pass when it finishes? |
| A. | -p |
| B. | -P |
| C. | -q |
| D. | -Q |
| Answer» E. | |
| 46. |
Which option of gcc looks in the provided directory for library files? |
| A. | -l |
| B. | -L |
| C. | -link |
| D. | none of the mentioned |
| Answer» C. -link | |
| 47. |
Which option of gcc links with a library file? |
| A. | -l |
| B. | -L |
| C. | -link |
| D. | none of the mentioned |
| Answer» B. -L | |
| 48. |
The -shared option of gcc generates shared ______ for shared library. |
| A. | object file |
| B. | preprocessed file |
| C. | source file |
| D. | none of the mentioned |
| Answer» B. preprocessed file | |
| 49. |
The -fPIC option of gcc |
| A. | generates the position independent code of shared libraries |
| B. | opens the source file in readonly mode |
| C. | opens the source file |
| D. | none of the mentioned |
| Answer» B. opens the source file in readonly mode | |
| 50. |
Which option of gcc adds include directory of header files? |
| A. | -i |
| B. | -l |
| C. | -e |
| D. | -E |
| Answer» C. -e | |