To open a file for read-write and random access requires

Question

a) The usual definition of an ofstream or ifstream object.
b) A call to open ofstream or ifstream object, but there must be a second
argument to the open function.
c) The stream to be defined using the class fstream. defined in the
header file.
d) The stream to be connected to the physical file object with first argument a C-
string containing the physical file name and a second argument,
ios::in | ios::out that specifies that the i/o with the file should be for
either reading or writing.
e) #include, using std::fstream; and
using std::ios;

Answer 1

c) The stream to be defined using the class fstream. defined in the
header file.
d) The stream to be connected to the physical file object with first argument a C-
string containing the physical file name and a second argument,
ios::in | ios::out that specifies that the i/o with the file should be for
either reading or writing.
e) #include, using std::fstream; and
using std::ios;