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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.
Explain Walk-through? Ans) A walk-through (in software QA) is a casual meeting for evaluation or informational purposes. A walk-through is also a method at an abstract level. It
Write the Process classification. Informal No detailed process model. Development team chose their own way of working. Managed Explained process model wh
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Q. Write short notes on Configuration Management? Software configuration management is a bunch of tracking and control activities that begin when a software project begins an
This strategy includes testing the classes as they are integrated into the system. The traditional approach would test every operation separately as they are executed into a class.
The task in this project is to design a normalized database that could be used to collect and store information for a video rental outlet. The database should be structured to s
what is COCOMO model and where it is used also say about COCOMO model when in use then how it act and its characteristtics details
Q. Describe design walk throughs and critical design review? Ans. A design walkthrough is a excellence practice that allows designers to acquire an early validation of desig
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