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The Data Encryption Standard (DES) is a symmetric-key algorithm for the encryption of electronic data, which you studied briefly in T215B. This task aims to assist you in learning more about the DES. Your answer should be as report which starting with introduction and ending with conclusion, the report should be within 1000 - 1200 words (long report, you should adhere to word count), the report should include sections and sub suctions, and at least one figure or table, your report must have proper citations and references. The body of your report should answer the following questions:
1. Define DES?
2. What is the history of DES?
3. Describe the key generation of the Simplified DES algorithm? It is preferable to answer it as a list of points.
4. Describe Simplified DES algorithm? It is preferable to answer it as a list of points.
5. What are the advantages and disadvantages of DES - at least 2 advantages And 2 disadvantages?
6. Is DES secure mechanism to protect electronic data at the present time, justify your answer?
What possible IEEE 802.11 amendments could be used for the new system? What are the pros and cons of each amendment? Choose an amendment to implement and explain your choice.
Identify and describe the processes involved in the Windows Client Server environment - Explain the role of client/server in the networking environment.
Each register window has 32 registers, of which 10 are global variables and 10 are local variables. How many registers would be available for use by input parameters?
There is an alphabet soup of protocols in TCP/IP - HTTP,FTP,SMTP,POP3,TCP,UDP,IP,ARP,ICMP, and others. What are the characteristics of these protocols? What are they used for?
1.online bankingwhat special consequences do you foresee from information security breaches confined to online retail
A draws K=0 and B draws K=2n-1 in exponential backoff protocol. Ignore jam signal and interframe space and suppose that signal propagation speed in medium is 2*108 m/sec. When does station A detects first collision?
What kind of network crimes may use P2P networks? Find the most challenging crimes that could be based on P2P networks and write a report on how to do forensic investigations on these crimes.
you are required to analyse the effectiveness of the hotel booking systems. to do this you are required to employ at
q1. distinguish between packet switching and circuit switching give three advantages and three disadvantages of each
When merging transaction and analytical processing problem occurs. Real-time analytical processing diminishes performance of transaction processing. Find the solution to this problem which many companies use?
How do third-party plug-ins change process of diagnosing and troubleshooting errors in the application? What steps would you take in diagnosing the application which has been changed from its original state?
Could you get enough information from the Internet to take out a loan in another person's name? You should provide any recent cases in Australia to support your explanation.
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