Question : 21 Save Back III QUESTION attempts to alter system resources or affect their operation. ANSWERS A passive attack X An active attack X A+B x None of the above X Question : 22 Save QUESTION ......... is a value independent of the plaintext and o the algorithm ANSWERS Ciphertext Secret Key Plaintext None of the above Question : 24 BF Save Bac QUESTION attempts to learn or make use of information from the system but does not affect system resources. ANSWERS A passive attack An active attack A+B None of the above