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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.
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
Question: a) It has often been argued that Rapid Application Development results in small stand-alone systems running in isolation. Discuss. b) Rapid Application developmen
A town comprise 5000 houses. Every house owner should pay tax based on the value of house. Houses over $200 000 pay 2% of their value in tax, houses over $100 000 pay 1.5% of their
Define Verification ?
Equivalence class: -It shows a set of valid or invalid states for input conditions. An input condition is either a particular numeric value, a range of values, a set of related val
What is the diamgram .
Q. Explain about Core dumps debugging technique? Debugging is the activity of locating as well as correcting errors. Core dumps: -A printout of all registers as well as rel
EXPLAIN COMPONENTS OF DATABASE MANAGEMENT
Q. Explain Iterative Enhancement model? This model incorporates modification in the software based on the analysis of the existing system. As well the complete documentation of
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
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