Answer:
a. backdoor
backdoor (also called a trapdoor) is a programming routine built into a system by its designer or programmer. It enables the designer or programmer to bypass system security and sneak back into the system later to access programs or files.
The email should be lighter but they're variables such as the word processing program. Not sure if this answered your question.
Hi! The recommended amount of RAM that you should have is 6gb and above.