C++ Programming - References

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Exercise : References - General Questions
1.
Which of the following statement is correct?
A reference is stored on heap.
A reference is stored on stack.
A reference is stored in a queue.
A reference is stored in a binary tree.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Which of the following statements is correct?
  1. Once a reference variable has been defined to refer to a particular variable it can refer to any other variable.
  2. A reference is not a constant pointer.
Only 1 is correct.
Only 2 is correct.
Both 1 and 2 are correct.
Both 1 and 2 are incorrect.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
Functions can be declared to return a reference type. There are reasons to make such a declaration/Which of the following reasons are correct?
  1. The information being returned is a large enough object that returning a reference is more efficient than returning a copy.
  2. The type of the function must be a R-value.
Only 1 is correct.
Only 2 is correct.
Both 1 and 2 are correct.
Both 1 and 2 are incorrect.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Which of the following statements is correct?
  1. Change a reference changes the referent.
  2. We can create an array of references.
Only 1 is correct.
Only 2 is correct.
Both 1 and 2 are correct.
Both 1 and 2 are incorrect.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
Which of the following statement is correct about the references?
A reference must always be initialized within functions.
A reference must always be initialized outside all functions.
A reference must always be initialized.
Both A and C.
Answer: Option
Explanation:
No answer description is available. Let's discuss.