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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 three application areas for agents. (b) What do you meant by "temporally coupled coordination"? Provide an example of a temporally coupled coordination
A one-car taxi company receives an average of 18 calls per day. The receptionist takes down details of the requested journey and relays them to the driver by radio. Each passenger'
Write short notes on estimation models. Empirical estimation models can be used to complement decomposition techniques and present a potentially important approach in their own
explain about transaction and transform mapping
Q. What is Code Restructuring? Code Restructuring : It is performed to acquiesce a design that produces the same function but with higher quality than the original program. Ge
Sanity testing is performed whenever cursory testing is sufficient to show the application is functioning according to specifications. This level of testing is a subset of regressi
Define design process. Design process is a sequence of steps carried by which the requirements are translated into a system or software model.
What is software engineering? Software engineering is a regulation in which theories, methods and tools are applied to make professional software.
Explain why waterfall model is more advantageous than adhoc methods. Ad-hoc Process Models- "Process capability is unpredictable due to the software process is constantly
Products, services, or information required from suppliers to make a process work.
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