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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 is meant by 345 rule in IEEE 802.3 ?
Short description on Delphi model ?
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What are the causes behind to perform white box testing? There are three main reasons behind performing the white box testing. 1. Programmers may have some incorrect assumpt
Q 1 Define a software process. How do software myths affect a software process? Ans: A Software process is a Coherent set of activities for designing, specifying, implementin
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Question: (a) What is a piconet in a Bluetooth context? (b) Discuss the concept of Master, slave, stand-by and parked devices with respect to a Bluetooth piconet. (c)
What is Exception? Ans) An event that causes suspension of normal program implementation. Types contain addressing exception, operation exception, data exception, overflow excep
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