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Task
Part A :
Answer the following question:
1. Search the web for news on computer security breaches that occurred during April-August 2017. Research one such reported incident (Excluding the May 2017 ransomware cyber-attack). Prepare report focusing on what the problem was, how and why it occurred and what are the possible solutions.
Part B :
1. Research the May 2017 ransomware cyber-attack on the web and prepare report focusing on the following questions:
Write a function foo(int fd, char* buf, int b_size, int n, int skip) that reads to buf from file with file descriptor fd, n blocks of size b_size each. The last argument specifies how many bytes to skip after reading each block.
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Write a program to simulate the Least-Recently-Used (LRU) Page Replacement Algorithm that appears on page 366 of the textbook.
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Derive a formula for computing the value of P, below which the proposed scheme will outperform the linked list implementation
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Michael Stonebreaker. "Inclusion of New Types in Relational Data Base Systems?' Proc. 2nd International Conference on Data Base Engineering, Los Angeles.
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