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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 common activities in design process? i. System structuring - The system is subdivided into principle subsystems components and communications among these subsy
Write a report which critically analyses the system design process of a project. Projects might include designing a light rail network for a city, more environmentally-conscious bu
Problem: (a) Define measurement and briefly summarize the representation condition for measurement. (b) Software metrics is a term that embraces many activities, all of whi
Question: a) List and explain three project Estimation techniques. b) During an estimation exercise, a work breakdown structure (WBS) is used as checklist for the activitie
State the Working of System Evaluation compare final solution with original requirement identify any limitations in system identify any necessary improvements which
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Q. What is Equivalence Partitioning? Equivalence Partitioning:-Equivalence partitioning is black box testing method that divides the input domain of a program into classes of d
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