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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 Configuration management planning? All products of the software process may have to be managed: Specifications; Designs; Programs; Test data; User
Associative Memory:- The time needed to find an item stored in memory can be decreased considerably if stored data can be identified for access by the content of the data itsel
State about the Elementary Modeling Techniques A model illustrating bare minimum requirements is known as Essential Model. It has two components: a) Environmental model B)
Define software reliability. Software reliability is the probability that software will give failure-free operation in a fixed environment for a fixed interval of time. Probabi
When is RTM (Requirement traceability matrix) prepared - after or before test case designing? - RTM is prepared before test case designing. - Requirements must be traceable
what are the PEAS of E-mail agent
What is Requirement Traceability? Explain its importance. Requirement Traceability is mapping of needs to test cases. There are two major traceability: Forward and Backward. It
Write a report that explains the agile principles for rapid software development, and recommend and justify an appropriate method for adoption.
Justify the term "Software is engineered"?
Question: Audio and Video Integration in Flash MX 2004 Professional. What sound formats does Flash MX 2004 support? (incl. if you have Quicktime or later installed on your comp
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