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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.
Question: (a) Show two main approaches to identify risk in a project. (b) John finds that IOE recovers some overheads as oncosts on direct staff costs although others are
Test methodology is up to the end client, and can be used, reused, and moulded to your end client's requirements. Rob Davis believes that using the right test methodology is signif
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Q. Explain about Total Quality Management? TQM is a part of management practices throughout the organization, geared to make sure the organization consistently exceeds or meets
Problem : (a) What does a UseCase Diagram represent? (b) Draw a UseCase Diagram for the above case study. (c) For any one use case give a detail use case specification.
State the process of White box testing White box testing: This method, also termed as glass box testing, is performed early in testing process. By using this, software engi
Why is SRS document known as black box specification of a system
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Name the types of debugging techniques used in Software testing. various debugging techniques are:- 1) Core dumps 2) Traces 3) Print statements 4) Debugging pr
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