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Security is an essential element in modern operating system design. An open and unprotected TCP/IP port can present a significant network operating system vulnerability. In the first portion of your post, you will investigate and describe the security status of your operating system. Using an available workstation, execute one of the following commands on your Windows, OS X, or Linux workstation to determine the status of its TCP ports.
Windows: netstat -np tcpLinux: netstat -atOS X: netsat -p tcp
In the second portion of your post, explain what you found based upon what your operating system reports. For the third and final portion of your post, perform an internet search to determine what elements of SANS 20 you could leverage to reduce the TCP/IP vulnerabilities of your workstation. Report your findings to the class.
As a penetration tester, you are hired as a consultant by a small- to mid-sized business that is interested in calculating its overall security risk today, January 1, 2012.
Construct a Unix shell script to input number of hours worked and pay rate and compute the total pay, then the social security amount, then the net pay.
For each of these four modifications, compute and graph the effects on the original system. Explain in words the effect when the multiprogramming level, N , is small and when N is large.
Design of an Operating System Performance Evaluation and Analysis - What is the significance of the topic as related to the field of computer science and industry
Discuss the purpose of operating systems and Describe the components that comprise operating systems and the functions of each of these components
Discuss the factors that you think would limit how many processes a computer can effectively support.
Why does concurrency lead to programming errors that are difficult to locate? Give as concrete an example as you possibly can?
Develop a checklist that IBM analysts could use in consulting projects that could help advice clients as they make a choice between Windows or Linux operating system software for their Web servers
What are some of the benefits of cloud computing? What are some of the drawbacks? Find an article about cloud computing online. Summarize and critique the article in your own words. Be sure to include the url of the article
Find the Internet to search server side software that is needed to be installed on the hospital's servers to support access by your local hospital doctors to patients' data using their cellular phones or PDAs.
Create a system life cycle chart, utilizing Microsoft Word, Microsoft PowerPoint, or Microsoft Visio. The chart must include detailed descriptions of the activities performed in each of the following areas:
Construct a table with the following four column headings, Top Level Objects, Communicates With, Incoming Messages, and Outgoing Messages and Identity top level objects of the microwave.
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