Q 1. Search the web for news on computer security breaches that occurred during April-August 2015. Research one such reported incident. Prepare a report focusing on what the problem was, how and why it occurred and what are the possible solutions. - 15 Marks Length: Around 800 words 2. Explain why asynchronous I/O activity is a problem with many memory protection schemes, including base/bounds and paging. Suggest a solution to the problem. - 15 Marks Length: Around 600 words Part B: 20 Marks 1. Research the 2011 Sony PlayStation Network outage case on the web and prepare a report focusing on the following questions: What was the problem? Who were affected and how? How was the attack carried out? What could have been done to prevent the attack?