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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 1: Prepare a short note on technology strategy. Explain in brief about the innovation management. Question 2: What is Research and Development (R&D), and how i
Determine the aspects of prototyping model. Figure below portrays prototyping model. Prototype model has the below aspects: (i) It helps in determining user requirements
What are the testing principles the software engineer must apply whereas performing the software testing? i. All tests should be traceable to customer requirements. ii. Test
What is software testing The testing process focuses on the logical internals of the software, ensuring that all statements have been tested, and on the functional externals, t
Write down short notes on empirical estimation models ?
Question: (a) Explain, using an example, Norman's Seven Stages of Action. (b) You are working for a software development firm. You have been requested by your team leade
Question: (a) Compare the following pairs of terms as used in object oriented software engineering: (i) Association and Association class (ii) Multiplicity and multiple
Q. Explain about Data coupling? The dependency among module A and B is said to be data coupled if their dependency is based on the fact they communicate by merely passing of da
Different levels of CMM: 1) Initial (maturity level 1) 2) Repeatable (maturity level 2) 3) Defined (maturity level 3) 4) Managed (maturity level 4) 5) Optimizing (
Explain the Iterative Model Every release of Iterative Model is developed in a specific, fixed time period known as iteration. Each iteration focuses on a certain set of requir
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