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QUESTION - Fault Tolerance
(a) Three computers together provide a replicated service. The manufacturers claim that each computer has a mean time between failure of five days; a failure typically takes four hours to fix. What is the availability of the replicated service?
(b) In the gossip architecture, why does a replica manager need to keep both a ‘replica' timestamp and a ‘value' timestamp?
(c) Explain the difference between linearizability and sequential consistency, and why the latter is more practical to implement, in general.
(d) Explain why allowing backups to process read operations leads to sequentially consistent rather than linearizable executions in a passive replication system.
Determine the Software development models Software Engineering deals with development of software. Thus, understanding the basic characteristics of software is essential. Softw
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Describe about the Environmental model It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if softw
Q. Show the Advantages of Total Quality Management? Improves reputation-problems and faults are sorted quicker and spotted (zero defects) Higher employee morale- wo
how to get values from list
Explain the term- Phased In this approach only part of the new system is introduced and only when it proves to work satisfactorily is the next part introduced and so on, unti
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State the working of spiral model In spiral model, after every phase a review is performed regarding all products developed up to that point and plans are developed for the sub
Q. Explain about Spiral Model? The Spiral model is one of the well-liked model used for large projects. This model was projected by Boehm in 1988 and it focuses on minimizing t
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