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Question:
a) The following questions pertain to User and Group accounts in Windows XP:
i) Give four differences between a Power User and a Guest User account. ii) Explain how a Domain User account is authenticated? iii) How can you edit the Maximum Password Age of a Domain Member?
b) Windows XP allows you to create Software RAID arrays with multiple hard disks:
i) Explain how a mirrored volume increases availability of a system? ii) What is the difference between Basic and Dynamic disk storage? iii) Give two disadvantages of Software RAID as opposed to Hardware RAID.
c) Briefly describe how you could achieve the following in Windows XP:
i) Add a non-plug and play device to a system. ii) Enter in Safe Mode and while still being able to map a network drive iii) Encrypt the contents of a folder
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The optimal replacement policy, called OPT, is to evict the page which will be accessed farthest into the future. Since we can't predict the future precisely, we can't implement OP
Q. In the IBM/370 memory protection is offered through the use of keys. A key is a 4-bit quantity every 2K block of memory has a key (the storage key) associated with it. The CPU
Q. Polling for an I/O completion is able to waste a large number of CPU cycles if the processor iterates a busy-waiting loop several times before the I/O completes. However if the
File allocation using I nodes. This method is used to decrease the size of the table in the above method. Every file will have an I-node list. Allow a file have 15 pointers a
What is meant by demand paging? Explain. Demand paging is a technique to implement virtual memory. In demand paging simply when a page is required it is brought into memory. As
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