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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.
Key process areas of Capability Maturity model (CMM) Effectiveness, Predictability and control of an organization's software processes are believed to get better as the organiz
Describe component testing. - Component testing is also called as module, unit or program testing. - It looks for defects in software and verifies its functioning. - It c
List out the activities of Linear Sequential Model. Software requirement analysis determines the nature of the problem, function, information domain etc. Design - Translates
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An activity in which a system or component is implemented under specified conditions, the results are observed and an evaluation is made of some problem of the system or component.
Why does the software design improve when we use object-oriented concepts? The software design improves when we use object-oriented concepts because 1. Object-orientatio
What are the characteristics of the software? Software is engineered, not manufactured. Software does not wear out. Most software is custom built rather than being ass
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What is the diamgram .
Explain the process of Software Testing Testing is the process of running the software on manually created inputs with intention to find errors. In process of testing, an atte
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