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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 is the difference between Print Preview and Layout Preview? Print Preview and Layout Preview When a report is observed in Print preview, it appears almost exactly as it
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Compatibility testing is testing how well software performs in a certain operating system,hardware, software, or network environment.
What is Code Coverage and Code Inspection - This is an analysis method which verifies which parts of the software have already been covered by the test case suite and which are
Question: (a) Briefly explain the following concepts: (i) Encapsulation and its advantages (ii) Abstract class and its use (iii) Polymorphism and its advantages (b)
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how to extract the characters from the car plate image to car plate recognition. Matlab code
Q. Show the Advantages of Re-Engineering? 1) Reduced risk - there is a elevated risk in new software development. There possibly staffing problems, development problems and spe
What is the use of Architectural design? The Architectural design defines the relationship between major structural elements of the software, the "design patterns" that may be
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