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Q. What are the advantages as well as disadvantages of using circuit switching? For what types of applications is circuit switching a viable strategy?
Answer: Circuit switching assurance that the network resources required for a transfer are reserved prior to the transmission takes place. This makes sure that packets will not be dropped and their delivery would satisfy quality of service requirements. The drawback of circuit switching is that it requires a round-trip message to set-up the reservations and it as well might overprovision resources thereby resulting in suboptimal utilizes of the resources. Circuit switching is a feasible strategy for applications that have constant demands regarding network resources as well as would require the resources for long periods of time thus amortizing the initial overheads.
Explain about deadlock detection? In deadlock situation, the system must provide An algorithm that verifies the state of the system to verify whether a deadlock has occu
Question: (a) The actual use and scope groups depend on the mode in which a domain is running. There are two domain modes in which you can run a Windows 2000 domain. List and d
Q. Why do several systems store the operating system in firm ware and others on disk? Answer: For certain devices such like handheld PDAs and cellular telephones a disk with
Another solution then would be to keep a pool of threads. Whenever a new task arrives, the system would simply get a thread from pool and set that thread to work on the given task.
Q. A Burroughs B7000/B6000 MCP file is able to be tagged as sensitive data. When such a file is removed its storage area is overwritten by some random bits. For what reason would
Virtual File System serves two important functions. 1. It divides file-system-generic operations from their execution by defining a clean VFS interface. 2. The VFS is based
Overlay structured program: A program consisting of overlays is referred as overlay structured program in which an overlay is a part of program which has similar load origin as
Define the DosSleep(ms) Function used in the os/2 DosSleep() suspends the currently executing thread for some time interval specified in the ms parameter. If a value of 0 is
What is thrashing? It is a method in virtual memory schemes when the processor spends most of its time swapping pages, rather than implementing instructions. This is because o
advantages and disadvantages of kernal level thread
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