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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.
Q. Show the Reasons of current software crisis? larger problem sizes, increasing skill shortage, and lack of adequate training in software engineering,
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Question 1 What is SSAD? Explain in detail Question 2 Explain any three limitations of the agile process Question 3 Describe continual integration Question
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Q. Realistic approach to the development of large-scale systems? There are a number of advantages of Spiral model that makes it a realistic approach to development of large-sca
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