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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.
(i) Concept definition of Quality Control and Quality Assurance (ii) Tools used in quality control (iii) Acceptance sampling and process control (iv) Statistical tools for
What are Documentation standards? Particularly important - documents are the tangible manifestation of the software. Documentation process standards Concerned with how
Why is SRS document known as black box specification of a system
Explain the persistent class maps to one relational table In most of cases, persistent class maps to one relational table (keeping aside inheritance issue, for the moment). In
Explain the term- SilkTest Host and SilkTest Project SilkTest Host - SilkTest component which manages and executes test scripts. It generally runs on a machine different t
Q. Explain Logarithmic Poisson Execution Time Model? This model is as well developed by Musa et Al (MUSA79). The breakdown intensity function is different here as compared to B
An identified set of software features to be calculated under specified conditions by comparing actual behavior with the needed behavior described in the software documentation.
A computer program is "user friendly", when it is designed with simple of use, as one of the primary purposes of its design.
explain the data dictionery
Write about drivers and stubs. Drivers and stub software require to be developed to test incompatible software. The " driver" is a program that accepts the test data and pri
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