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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.
System Development Life Cycle (SDLC) stages are sometimes known as System Study. System concepts which are important in developing business information systems expedite problem sol
What are the benefits of automation testing? Following are the benefits of automation testing: 1) Enables Quick Release - With automatically run regression tests, you can
explain software document.create the necessary documents for employee management system.
What is Problem Any deviation from defined standards. Similar as defect.
How do you develop a test plan and schedule? Describe bottom-up and top-down approaches. A test plan is contract among the testers and the project team explaining the role of t
we got the code for mobile app we need a document for that
What is a boundary value analysis? A boundary value analysis is a testing procedure by which the elements at the edge of the domain are selected and tested. It is a test case d
pls explain how to calculatethe cyclomatic complexity and independent paths Determine the cyclomatic complexity of the code ( (iii) Identify all the independent paths
What is meant by Information flow Continuity? When we refine a fundamental model for a system, the information flow continuity should be maintained .ie, input & output to each
Library Housekeeping Software: The market is flooded with a variety of packages specially designed to support library housekeeping operations such as acquisitions, cataloguing
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