QUESTION 27 can occur as a result of a programming error when a process attempts to store data beyond the limits of a fixed-size buffer. O shellcode O program overflow O buffer overflow O library function QUESTION 28 A stack buffer overflow attack is also referred to as O stack smashing O stack framing buffer overrunning O heap overflowing QUESTION 29 is a structure where data are usually saved on the stack. O guard page O stack frame O heap O NOP sled