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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.
"User documentation" is a document that explains the way a software product or system should be used to get the desired results.
Explain about Virtual memory Virtual memory is a method used in some large computer that permit the user to construct programs as by a large memory space were available, equal
Determine the levels of Capability Maturity Model(CMM). Capability Maturity Model(CMM) Level 1:Initial - Few processes are explained and individual efforts are taken. Le
Coupling and Cohesion Data coupling - The data coupling is possible by parameter passing or data interaction. Control coupling - The modules share related control data
What are the various testing activities? i. Test planning ii. Test execution iii. Test case design iv. Data collection v. Effective evaluation
What is Delphi model? In Delphi method, a number of parameters to be considered based on as experts estimates. The group estimate is taken as on an average of the weighted
AskDiscuss possible ramifications of these opposing objectives on the project question #Minimum 100 words accepted#
Build and Fix Model It's a simple two phase model. In one phase, code is developed and in another, code is fixed. Figuredepicts the Build and Fix model.
What are Documentation standards? Particularly important - documents are the tangible manifestation of the software. Documentation process standards Concerned with how
Question 1 V-Model and Spiral Model, Waterfall Model are of the software development processes. Companies are using these models to have a systematic and defined approach in softw
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