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Dsigners of UNIX password algorithm used 12-bit salt to perturb first and third sets of 12 entries in E-table of UNIX hashing function (the DES). Let system with 224 users. Suppose that each user is allotted salt from uniform random distribution and that anyone can read password hashes and salts for users.
Determine the expected time to find all users' passwords using dictionary attack?
suppose that eight more characters were added to password and that DES algorithm was changed so as to use all 16 password characters. Determine expected time to find all users' passwords using dictionary attack?
Suppose that passwords were eight characters long but that salt length was increased to 24 bits. Again, salts (and corresponding algorithms) are known to all users. What would be expected time to find all users' passwords using dictionary attack?"
Determine successive values of congestion window in bytes?
You have been asked in order to produce a list of the MAC addresses and the corresponding IP addresses and computer names within your network. Suggest at least two methods in order to complete this task.
Although loading dock is nowhere near shop floor, dock is 1100 feet from front office. What types of cable will work to make this connection? What type would you select and why?
How does third-party plug-ins change process of diagnosing and troubleshooting errors within application? What steps would you take in diagnosing the application which has been changed from its original state?
Design the datagram and illustrate what contents of each of Next Header fields would contain. You do not have to look up actual numeric value, just explain what it would be referencing next.
Make a list describing different common types of server applications. Show which of these applications you would combine together on a single server.
Suppose you are working for a small business that has outgrown its existing building. What technology will you recommend to internetwork the two buildings?
What would be needed along with precautionary measures, and an overview of how the Internet works for the organization's office administration.
Illustrate how many protocols and protocol implementations are required to permit all nodes to communicate?
Write down the advantages and disadvantages of building these three separate models? What representations are used for each of these models?
You have asked to create a report which evaluates possible client/server solutions to handle the new customer application system for all branch offices.
In second strategy, packets are not acknowledged individually, but the whole file is acknowledged when it arrives. Explain the two approaches.
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