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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.
Determine about Software Review - This is an evaluation method that includes the bringing together a group of technical personnel to examine a software artifact in order to imp
Bottom-up integration This testing starts construction and testing with the components at the lowest levels in the program structure.
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What is recovery testing? Recovery testing is a system test that forces the software to fail in a various of ways and verifies that recovery is properly done.
System software
m2+m3+m5+m7+m12+m8+m9 simplify using k-map
The term "performance testing" is usually used synonymously with stress testing, load testing, reliability testing, and volume testing. It is a part of system testing, but it's als
A) In terms of maintenance in software life cycle, does RUP or agile approach give better support? Describe your answer. B) Explain how agile development approach and RUP
What is boundary data- Test data Extreme/boundary data - This is data at the limits of validity/acceptability (for instance, if a date is being input, two values at the
What is CMMI assessment? Examines the processes used in an organisation and assesses their maturity in every process area. Based on a 6-point scale: Not performed;
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