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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.
Function testing of OO software is no dissimilar than validation testing of procedural software. Client involvement is generally part of this testing stage. In OO environment use c
Advantage of microcomputer software packages: i) compilation and maintenance of reference and fact files; ii) compilation of current and retrospective bibliographies
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what are the characteristics of artificial intelligence
Explain Infeasible Path? Program statement sequence that can never be implemented.
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)
Question 1: Prepare a short note on technology strategy. Explain in brief about the innovation management. Question 2: What is Research and Development (R&D), and how i
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What can be main reasons for a bug not being to reproduce? What must be done if such a bug is found? A bug can't be reproduced for below reasons: 1. Low memory. 2. Things
Problem 1 . What is the purpose of Symbol Table? Write a brief note on various Data structures used in implementing Symbol Tables Stating Purpose Writing note on various D
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