QUESTION 30 The x86 Assembly Language Instruction NOP means O no operation or do nothing instruction O call function at addr O software interrupt to access operating system function O no push value onto the stack QUESTION 31 The O Metasploit Project O Manhattan Project O Levy Project O RAD Project aims to provide useful information to people who perform penetration testing, IDS signature development, and exploit research QUESTION 32 Randomizing the allocation of memory on the heap makes the possibility of predicting the address of targeted buffers extremely difficult, thus thwarting the successful execution of some O vulnerability attacks ? heap overflow O MMU O stack overflow