1) Where can you not declare a variable in a C++ program?

a) Within the parameter list of a function definition

b) Within the block of a void function.

c) Within the argument list of a function call

d) Within a block nested within another block

e) Within the block of a value returning function.

2) The call-by-reference mechanism is specified in the function declaration and definition, using a $ between the type and the parameter.

3) Define function signature:

4) A C++ structure, or struct, like the C++ array, is a homogeneous data structure. (i.e., all data is of the same type)