References - C++

1.	A reference is declared using the _____ symbol.
	A. && B. & C. || D. !

2.	Which of the following statement is correct?
	A. Once a reference variable has been defined to refer to a particular variable it can refer to any other variable. B. A reference is indicated by using && operator. C. Once a reference variable has been defined to refer to a particular variable it cannot refer to any other variable. D. A reference can be declared beforehand and initialized later.

3.	Which of the following statements is correct? A reference is not a constant pointer. A referenced is automatically de-referenced.
	A. Only 1 is correct. B. Only 2 is correct. C. Both 1 and 2 are correct. D. Both 1 and 2 are incorrect.

4.	Which of the following statements is correct? An array of references is acceptable. We can also create a reference to a reference.
	A. Only 1 is correct. B. Only 2 is correct. C. Both 1 and 2 are correct. D. Both 1 and 2 are incorrect.

5.	Which of the following statement is correct?
	A. A referenced has to be de-referenced to access a value. B. A referenced does not need to be de-referenced to access a value. C. A referenced has to be double de-referenced to access a value. D. Whether a reference should be de-referenced or not depends on the type of the reference.