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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) Compare the worker pool multi-threading architecture with the thread-per-request architecture. (b) What thread operations are the most significant in cost? (
Regression test cases which a program has previously implemented correctly in order to detect errors spawned by changes or corrections done during software development and maintena
Q. Describe incremental model? Define core product and detailed plan. Ans. The incremental model is proposed by D.L PARNAS. It is basically implemented by combining elements
What is a vertical microinstruction? Ans) A vertical microinstruction is a microinstruction that states one of a sequence of operations required to carry out a machine language
Stochastic testing is the similar as "monkey testing", but stochastic testing is a lot more technical sounding name for the similar testing process.
Define software measurement. A software measurement is a method or method that applies software calculates to a class of software engineering objects to attain a predefined goa
Q. Compare the Manpower and development time? Manpower may perhaps refer to labour Manpower either an abstract term for human labour effort as opposed to machines, animals a
Q. Explain Test archiving systems? Test archiving systems: the goal is to keep follow of series of tests ant to act as the basis for documenting that the tests have been done
Define the computer based system. The computer based system can be explained as "a set or an arrangement of elements that are organized to accomplish some predefined goal by pr
A group process that takes large quantity of language data, like as a list developed by brainstorming, and separates it into categories.
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