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C++ Programming :: References

References - General Questions
References - Programs

  1. Which of the following statements is correct?

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

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

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  2. Which of the following statements is correct?

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

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

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  3. Reference is like a _____.

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

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  4. Which of the following statement is correct?

    5. 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.

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  5. Which of the following statement is correct?

    6. 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.

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  6. Which of the following statement is correct?

    7. 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.

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  7. Which of the following statements is correct?

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

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

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