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In Many development companies and universities network managers must oversee a network that has several computers connected to it that are used through developers for design and product development reason. Often, these developers are using systems or settings for which the network managers have little or no expertise (such as Linux or Unix when the managers run Microsoft only operating systems). While the manager needs to maintain security, the developers need to be able to experiment and implement new systems without a lot of bureaucratic headaches.
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What ideas do you have about how this needs to be handled?
Discuss techniques used by security administrators to monitor servers for security purposes? For example, how are event logs and task or system monitors used?
Given that main memory is consisted of three page frames for public use and that seven-page program (with pages a, b, c, d, e, f, g) requests pages in the following order: a, b, a, c, d, a, e, f, g, c, b, g.
Intermediate Level Tasks : Below is a simple program. It creates 2 threads. The first thread keeps printing out X on the screen, and the second thread keeps printing out O on the screen.
The final security measure my company implements well is monitoring internet usage through limiting the access for most workers to search websites that are not related to the company.
Business continuity planning is important for large and small company. Explain briefly the importance of a business continuity plan under the given heads.
You have been asked through the Training Manager to present a lunch and learn seminar on an area within your field of expertise. You select cryptography.
Discuss how would you address this certification issue with your hypothetical firm for your system that you are trying to certify at the top secret level?
Remembering that there's a trade-off between memory use. Then give an example where doing so will cause throughput to suffer.
Millions of American homes are prepared with wireless networks. Suppose if the network is not made secure, any nearby computer with a wireless card can use network.
Information systems have become so integrated into the UK society and economy that the cashless society is a realistic possibility within the next 25 years.
Write two challenges an OS faces when passing parameters between user and kernel mode. Describe how an OS can overcome them
Assume two hosts A and B are connected via router R. A-R link has infinite bandwidth; A-R link has infinite bandwidth; draw curves for throughput, delay, and power, each as function of load.
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