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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.
Write a 2- to 4-page paper summarizing the known operating system security flaw in Microsoft® Windows®, Mac OS X®, Linux®, or UNIX®. Describe the type of flaw or condition within the OS that allowed the attack and how the flaw was addressed or cou..
1st national banks president congratulates you on successfully managing her network's addressing issues. She then shares the data that she's about to make an offer to buy Monroe's other banks, Metropolitan savings.
A Borg Unimatrix has 40-bit virtual addresses and 32-bit physical addresses. Pages are 32 KB in size. How many entries are needed for the page table? Give all formulas, steps, and compute out the final number as an integer(in humanly readable deci..
How long does it take a packet of length 1,000 bytes to propagate over a link of distance 3,000 km, propagation speed 3 *10^8 m/s, and transmission rate 3 Mbps? Show the propagation and transmission delay calculations.
Design and implement a Demand Paging virtual memory simulator! It must be a text based application (NOT a GUI based one). You can use the C/C++ or Java programming language
Discuss and explain the different roles you might think be fulfilled through Web Services and Web Portals. What do you see as main distinctions between two from the perspective of provisions of eBusiness services?
why is busy waiting on a lock variable not a good solution for mutual exclusion?
Business continuity planning is important for large and small company. Explain briefly the importance of a business continuity plan under the given heads.
Those applications that do not need a high level of reliability for operations can use the Minimalist Internet Multicast service model, like streaming of continues information in the forms of audio or video
In a time slot interchange switch, eight input lines are scanned in sequence to build up an input frame with eight slots.
Write down the three parts of Linux kernel version number, and which is least probable to change? What are "BogoMIPS", and what is their significance?
Define the term context switch. Explain how context switching takes place. (use a diagram, with two processes)
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