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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.
Explain Horizontal partitioning 1. Explains separate branches of the. 2. Propagaton of fewer side-effects 3. Software is simpler to maintain
Structured Analysis Model Structured analysis is the most broadly used of needs modeling techniques, relies on flow modeling and data modeling to build the basis f
pexplain Explain basic Docomo model
What is the use of Architectural design? The Architectural design defines the relationship between major structural elements of the software, the "design patterns" that may be
Question: (a) "People have recourse to outsourcing only for reducing cost". Show this statement on the motivations for outsourcing. (b) "Outsourcing is a threat to the co
I am working on DD development project and I am using 475 field communicator for testing DD. While development of DD, I tested DD with SDC 625 PC application using HART modem. I h
Determine the process of Software Review - This is an evaluation technique which involves bringing together a group of technical personnel to analyze a software artifact to im
When to Re-Engineer? When the system alter are mostly confined to part of the system then re-engineer that part. When hardware or software support becomes obsolete.
What are the advantages and disadvantages of using a Business Intelligence (BI) software system in a small/medium level business?
What are the testing principles the software engineer must apply while performing the software testing? i. All tests should be traceable according to customer requirements.
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