Answer:
Backward compatibility
Explanation:
Based on the information provided within the question it can be said that security professional need to understand it because it is used for Backward compatibility. This means that it is used for interoperability with older systems that may otherwise no longer be used or may need other software. That is because the Network Basic Input/Output System (NetBIOS) provides various services to the session layer of the OS.
Answer:
here you go man-Changing or improving graphics images. It typically refers to bit mapped images rather than vector graphics drawings. Using an image editor, images can be modified by an artist using pen, brush, airbrush and other "painting" tools.
i don't know if my answer is helpful but maybe she is using it to prevent users from accessing the recursive method directly
I suggest you look up a video for it ofc