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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.
A measure of the severity and probability of undesired effects. Often taken as the easy product of probability and consequence.
Communicational cohesion : Communicational cohesion is when parts of a module are grouped because they operate on the similar data (e.g. a module which operates on the similar reco
It is possible to assign a local data object defined in a subroutine or function module to a field group. False.
Explain Infeasible Path? Program statement sequence that can never be implemented.
Explain the software life cycle model that incorporates risk factor. The problem with traditional software process models is that they do not deal adequately with the uncertai
Q. Regard as a program that reads a set of Data for 'n' no. of triangles. The program reads three integer values like representing the sides of triangles. The program prints for ea
Demonstrate the Sequence of prototyping Sequence of prototyping is demonstrated in following Figure.
What are the benefits of smoke testing? Integration risk is minimized. The quality of the end-product is improved. Error diagnosis and correction are simplified. Asses
Q. Explain Static multivariable model? They relies on several variables representing various aspects of the software development environment for example methods used and user p
You are to create a decision table to help you decide what to do for the day. If it is a weekday and it is not a holiday, then you go to work. However, if it is a weekday and it
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