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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. What is Code Restructuring? Code Restructuring : It is performed to acquiesce a design that produces the same function but with higher quality than the original program. Ge
Testing that collects timing and processing information during program implementation that might change the behavior of the software from its behavior in a actual environment. Usua
Question : (a) What are the main characteristics of an ERP system? List the benefits and disadvantages of implementing an ERP system at Hawkins Cookers Ltd. (b) Explain the
Write the Problems with the CMM. Practices associated with model levels Companies could be using practices from dissimilar levels at the same time but if all practices
Q. For the structural chart given in fig.1 calculate the Information Flow index of individual modules as well as whole software. Total information flow = IF (main) + IF (A
we got the code for mobile app we need a document for that
Define Error seeding? Ans) The process of intentionally adding called as faults to those already in a computer program for the purpose of monitoring the rate of recognition and
Q. Explain Logarithmic Poisson Execution Time Model? This model is as well developed by Musa et Al (MUSA79). The breakdown intensity function is different here as compared to B
The task in this project is to design a normalized database that could be used to collect and store information for a video rental outlet. The database should be structured to s
(a) Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline
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