References (1)

1.

Which of the following statements is correct?

Pointer to a reference and reference to a pointer both are valid.
When we use reference, we are actually referring to a referent.

A.	Only 1 is correct.
B.	Only 2 is correct.
C.	Both 1 and 2 are correct.
D.	Both 1 and 2 are incorrect.

Answer: Option C

Explanation:

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2.

Which of the following statement is correct?

A.	An array of references is acceptable.
B.	Once a reference variable has been defined to refer to a particular variable it can refer to any other variable.
C.	An array of references is not acceptable.
D.	Reference is like a structure.

Answer: Option C

Explanation:

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3.

Which of the following statement is correct?

A.	A reference is declared using * operator.
B.	Once a reference variable has been defined to refer to a particular variable it can refer to any other variable.
C.	A reference must always be initialized within classes.
D.	A variable can have multiple references.

Answer: Option D

Explanation:

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4.

Which of the following statement is correct

A.	A reference is a constant pointer.
B.	A reference is not a constant pointer.
C.	An array of references is acceptable.
D.	It is possible to create a reference to a reference.

Answer: Option A

Explanation:

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5.

Reference is like a _____.

A.	Pointer
B.	Structure
C.	Macro
D.	Enum

Answer: Option A

Explanation:

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6.

Which of the following statements is correct?

We can return a global variable by reference.
We cannot return a local variable by 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.

Answer: Option B

Explanation:

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7.

Which of the following statements is correct?

Once the variable and the reference are linked they are tied together.
Once the reference of a variable is declared another reference of that variable is not allowed.

A.	Only 1 is correct.
B.	Only 2 is correct.
C.	Both 1 and 2 are correct.
D.	Both 1 and 2 are incorrect.

Answer: Option A

Explanation:

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8.

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.

Answer: Option D

Explanation:

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