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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.
What are the causes behind to perform white box testing? There are three main reasons behind performing the white box testing. 1. Programmers may have some incorrect assumpt
Describe in short about software testing ?
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Explain the role and functions of a Systems Analyst in the overall project development.
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Testing designed to challenge a system's capability to handle the maximum amount of data over a period of time. This type of testing also classify a system's ability to handle over
Define Error seeding? Ans) The process of intentionally adding called as faults to those already in a computer program for the purpose of monitoring the rate of recognition and
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