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Q1) Using the internet as a source, compile a list of three known vulnerabilities for SQL Server on Windows operating systems and three vulnerabilities for Oracle on Unix. Comment on any areas you think are prone to vulnerabilities. As a database administrator, what would be some of the actions you could take (other than apply patches) to prevent your systems from these vulnerabilities?
What is the main advantage of multiprogramming How does the distinction between the monitor mode and user mode function as a rudimentary form of protection (security) system What is the difference between a trap and an interrupt? What is the u..
Deadlock Avoidance and Scheduling
What is minimum number of page faults for the optimal page replacement strategy? Please show how the page is placed and how page faults occur.
What (if any) relation holds between the following pairs of sets of algorithms (a) Priority and SJF (b) Multilevel feedback queues and FCFS
In different communications models, communication may take place using either "message passing" or "shared memory". Distinguish between "message passing" and "shared memory", illustrating your answer with a diagram Give three advantages of virt..
Write a java program on Professional Expression Assignment
Formulate the above in terms of a Linear Programming problem Solve this linear program graphically. Determine the quantity of each type of toaster that will maximise the maximum profit
Define the term context switch. Explain how context switching takes place. (use a diagram, with two processes)
Discuss and provide examples of the following concurrency issues associated with an OS: 1. Mutual exclusion 2. Deadlock 3. Starvation
Explain the following terms in relation to linear programming problems- (1) decision variables (2) objective function
What is the difference between a safe state and an unsafe state in a deadlock-avoidance system?
Give a solution using Monitor that is starvation-free. What would be value of semaphore before entering into Critical Section and after leaving it.
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