Correct Answer : for
Explanation : Because in for loop we are allowed to provide starting and ending conditions of loops, hence fixing the number of iterations of loops, whereas no such things are provided by other loops.
Correct Answer : All of the above
Explanation : Any of the above signature can be used while using command line arguments in C++ programs
Correct Answer : argv[0]
Explanation : The first string in the list of command line arguments represents the name of the program which can be accessed by using argv[0].
Correct Answer : Number of command line arguments
Explanation : The first argument of the main() function represents the number of command line arguments that are passed.