Please help me answer these two multiple choice questions. The ones that are bubbled in are wrong answers so avoid those.

QUESTION 7 From its name we can say that the rainbowcrack tool uses brute force techniques to crack passwords uses table look up technique to crack passwords is not a password cracking tool uses reverse-engineering of secure hash algorithms. QUESTION NTFS allows storage of sparse files without large groups of zeros being stored as zeros just like FAT system. ( which makes forensics of sparse files a difficult task which actually does not save space. which makes forensics easier