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Question:
(a) As a System administrator, elaborate on how you can manage computer accounts in Active Directory of Windows Server 2008?
(b) Explain the following user profiles:
i. Local user profiles ii. Roaming user profiles iii. Mandatory user profiles
(c) Implementing Group Policies in a Windows environment simplify largely the tasks of Systems Administrators. In this context, explain Group Policies and describe 4 tasks that can be accomplished using Group Policy?
Explain Belady's Anomaly? Also called FIFO anomaly. Usually, on enhancing the number of frames allocated to a process virtual memory, the process implementation is faster, beca
What are the various process scheduling concepts? a) Scheduling queues with diagram b) Queuing diagram c) Schedulers d) Context switch with diagram
Q. Consider a system in which a program is able to be separated into two parts: code and data. The CPU recognizes whether it wants an instruction (instruction fetch) or data (data
Explain Swapping Swapping is a method of temporarily removing inactive programs from the memory of computer system.
Q. Error detection in operating system? Error detection- Error detection take places at both the hardware and software levels. At the hardware level every data transfers must b
Explain Busy Waiting Semaphores Weak, Busy-wait Semaphores a) The simplest way to implement semaphores. b) Useful while critical sections last for a short time, or we com
The hardware to support demand paging is as follows Page table: This table has the skill to mark an entry invalid though a valid-invalid bit or particular value of protectio
File structure Certain files must conform to a needed structure that is understood by the operating system. The operating system may consist that an executable file has a parti
what is meant by lazzy swapper
What is internal fragmentation? Consider holes of 20k assume the process requests 18 bites. If we allocate accurately the request block, we are left with a hole of 2k. The over
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