A disk ________ is a file or a group of files that contain bit-for-bit copies of a hard drive but cannot be used for booting a computer

Answer the following statements true (T) or false (F)

1. If I have already written the``` #include ```header, I can overload ``` operator<< for `````` class A ```as follows: 2. You have a helping function that is not a member of your class. You want your class member functions to be able to see it and use it but no other file in your program may see it. You can place it in an unnamed namespace to make it invisible from outside the file. 3. Namespaces may not be nested. 4. During name resolution, nested namespaces behave like nested blocks.

In the accompanying figure, Item 3 points to the ____.

A. name boxes B. row headings C. cell ranges D. column headings