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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 Quick-fix Model Quick-fix Model : This is the easiest model used for the maintenance of the software. In this model changes at the code level are made as early as poss
How can you create a file named -i? Which techniques do not work, and why do they not work? How can you remove the file named -i?
State the function of Functional model Functional model: This defines operation which the system must implement. For every operation, from analysis model must be assigned al
Differentiate between testing and QA. - Quality Assurance is more a preventive thing, which ensures quality in company and hence the product instead of just testing the product
Closed box testing is similar as black box testing. Black box testing a type of testing that examine only externally visible behavior.
Q. Explain Span and average span size of a program? Span dimension indicates the number of statements that pass between successive uses of a variable. For illustration in the f
Q. What is Stamp coupling? Stamp coupling: Stamp coupling take places between module A and B when complete data structure is passed from one module to another. Since not ever
Q. Why is maintenance of a software important? Discuss some of the problems that are faced during maintenance of software. Ans: The modification of a software product subsequ
Question: Audio and Video Integration in Flash MX 2004 Professional. What sound formats does Flash MX 2004 support? (incl. if you have Quicktime or later installed on your comp
The process of evaluating the products of a given software development activity to verify correctness and consistency with respect to the products and standards given as input to t
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