A reference is declared using the _____ symbol.

Which of the following statements is correct?

1. A reference is not a constant pointer.
2. A referenced is automatically de-referenced.

Which of the following statements is correct?

1. An array of references is acceptable.
2. We can also create a reference to a reference.

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.

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.