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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.
Q . Discuss the important issues that a SRS must address. Ans. SRS is the method of establishing the services the system should provide of the system in new it is difficult
Software metric Any type of measurement which relates to a software system, process or related documentation Lines of code in a program, the Fog index, number of person-days
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
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
Define Cardinality & Modality. Cardinality: Specification of the number of occurrences of one that can be correlated to number of occurrences of another. Modality: The Moda
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
how to save image of a dialog box by using c++
A measure of the severity and probability of undesired effects. Often taken as the easy product of probability and consequence.
Write about the types of project plan. Quality plan - This plan explains the quality procedures and standards that will be used in a project. Validation plan - This plan explai
What are the common activities in design process? i. System structuring - The system is subdivided into principle subsystems components and communications among these subsy
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