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Pront I/O Separate queue
Describe the advantages of having a separate queue for Print I/O and for Disk I/O
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Tool to check updates or patches
which tool is used to check updates or patches required for a server? define it?Note: there is no Internet connectivity available.
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MBSA scan on a server
how can we run MBSA scan on a server when there is no Internet connectivity?
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FSMO roles
What are FSMO roles ? explain them ? which are domain and forest wide FSMO roles?
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What is the meaning of System call and Interrupts?
Give the difference of them.
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What are the basic functions of an operating system?
Operating system controls and coordinates the use of the hardware among the various applications programs for various uses. Operating system acts as resource allocator and manager. Since there are many possibly conflicting requests for resources the operating system must decide which requests are allocated resources to operating the computer system efficiently and fairly. Also operating system is control...
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Describe different job scheduling in operating systems?
Scheduling is the activity of the deciding when process will receive the resources they request.FCFS: --- FCSFS stands for First Come First Served. In FCFS the job that has been waiting the longest is served next.Round Robin Scheduling: ---Round Robin scheduling is a scheduling method where each process gets a small quantity of time to run and then it is preempted and the next process gets to run....
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Check OS errors
which tool is used to check for application and OS errors in a server?
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Root hints
What are root hints?
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What is the important aspect of a real-time system or Mission Critical Systems?
A real time operating system has well defined fixed time constraints. Process must be done within the defined constraints or the system will fail. An example is the operating system for a flight control computer or an advanced jet airplane. Often used as a control device in a dedicated application such as controlling scientific experiments, medical imaging systems, industrial control systems, and some...
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Kerberos Port No
what is the Port No used by Kerberos Protocol?
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What is Context Switch?
Switching the CPU to another process requires saving the state of the old process and loading the saved state for the new process. This task is known as a context switch.Context-switch time is pure overhead, because the system does no useful work while switching. Its speed varies from machine to machine, depending on the memory speed, the number of registers which must be copied, the existed of special...
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Why paging is used?
Paging is solution to external fragmentation problem which is to permit the logical address space of a process to be noncontiguous, thus allowing a process to be allocating physical memory wherever the latter is available.
Windows Interview Questions
Ans