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Question1. Assume a time sharing operating system allocated time slices of twenty milliseconds and the machine executed an average of 5000 instructions per microsecond. Discuss how many instructions could be executed in a single time slice?
Question2. Assume a password consisted of a string of nine characters from the English alphabet (26 characters). If each possible password could be tested in a microsecond, how long would it take to test all possible passwords?
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.
Give some discussion about Electronic checking, such as what is used in stores, through employers and by the public. Planning these questions in the response.
Function and wife calls deposit (). Explain how a race condition is possible and what might be done to prevent race condition from occurring.
when a process requests for I/O operations, it will suspend and another process will need to be selected for execution. What is the CPU utilization for a round-robin scheduler.
Define the term context switch. Explain how context switching takes place. (use a diagram, with two processes)
Discuss why is it important for a firm to have firewalls and border security in place? I know that a firewall is to stop intruders from entering your network but when read on it seems border security is very similar.
Technology and techniques for inter process communication within a DIS have evolved considerably in current years. Please critically analyze the CORBA, DCE, SOAP and SOCKETS
Determine the difficulty(s) of securing a standard telecommunications line vs. securing a VOIP connection?
Analyze the user interaction interface of a typical website that you might wish to improve and design in terms of any ethical considerations that might require to be addressed.
Recently had a DDoS attack on border router. Discuss how would you estimate where the attack came from and what would you put in place to save it from happening again?
Assume you are the task manager for a large consumer service corporation consisting of 1,000 workers. You are responsible for 25 direct reports in your department.
What is Life Cycle Costing. Describe briefly the methodology for Life Cycle Costing. What are the criteria to consider when a procurement officer is faced with the decision of procuring a used equipment instead of a new one.
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