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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 the advantage of Iterative Enhancement Model in developing a system?
What is Software requirement Specification (SRS)? Software Requirement Specification Document is the output of requirement examines stage of the software development life cycle
Explain Metric? Ans) The measure of the extent or degree to which a product possesses and exhibits a particular quality, property, or attribute.
What is software metric? A Software metric is a easy quantitative measure derivable from any attribute of the software life cycle (E.g.) LOC (Line Of Code) Function poin
What is the advantages of Iterative model This model is useful when less manpower is available for software development and release deadlines are tight. It's best suited for in
An identified set of software features to be calculated under specified conditions by comparing actual behavior with the needed behavior described in the software documentation.
Communicational cohesion : Communicational cohesion is when parts of a module are grouped because they operate on the similar data (e.g. a module which operates on the similar reco
package(''python'', ''2.6.5''). package(''python'', ''2.5.4''). package(''python'', ''1.5.2''). package(''python'', ''3.1.0''). and I already have these functions that provide me:
explain coupling
State Entity /Relationship diagram. ERD depicts relationships among data objects. The ERD is the notation that is used to conduct the data modeling activity. The primary
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