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Answers should be no longer than a few sentences. "Bulletized" lists or small tables may be used for the sake of brevity. The point value of each question appears at the beginning of the question. Partial credit may be given if work is clearly shown.
A 1,024-bit message is used to generate a 24-bit hash. On the average, how many other messages could be expected to generate the same hash value? What is the probability that two massages that generate the same 24-bit hash?
Storage Area Networks (SAN) and Network Attached Storage (NAS) each give high capacity file storage. For the following list, indicate whether the list item is more characteristic of a SAN or a NAS configuration.
The 4-types of IT system maintenance also apply to other industries. Assume you were in charge of aircraft maintenance for a small airline.
Why is it reasonable to use a balanced scorecard system to measure staff performance? How does this approach mitigate concerns about measurement dysfunction?
Recall that a computer virus is malware that relies on someone or something (other than itself) to propagate from one system to another. Write a computer virus that can be written to other empty text documents by running the batch program.
If you receive the ciphertext message YPHDCRPBEQTAA, decrypt to recover the plaintext. What is the decryption function, and the recovered plaintext? What type of cipher is this?
Describe a malware attack that causes the victim to receive physical advertisement and describe how to modify a NAT router to prevent packets with spoofed IP addresses from exiting a private network.
concept of Message Digest, File Carving, MD5, Locard's Exchange, Parker's categories, computer-related crime as suggested by Donn Parker, computer systems as sources of digital evidence
Considering the continuous increase in computer speed, the company decided to increase the size of the encryption key so that the time to break the encryption become more than 250 hours. What should be the minimum key size increase to meet this ob..
Suppose that there is block cipher ABC that always encrypts block of b=72 bits using key of k= 60 bits. Prove that XYZ doesn't give much stronger security than ABC.
Complete a research essay about information security. The research provides you with the opportunity to complete research and demonstrate knowledge of information security from a theoretical perspective
Using RSA User1 ciphers his text M with User2 public key and he gets the cipher text C=371 he sends the Ciphertext to User2 who decrypts the cophertext with his private key.
Give an example to show that the group of permutations S5 is not commutative and ECB mode with block length 3 and the permutation cipher for the given operation
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