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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.
how to threat into opportunities and weaknesses into strength
Question: (a) State and explain the essential API concepts associated with J2ME. (b) Connected Limited Device Configuration provides two types of application security; stat
Checks the interfaces among program elements for consistency and adherence to predefined axioms or rules.
Configuration Management: Because of several reasons, software changes during its life cycle. As a result of the changes made, many versions of the software exist at one time.
What are the objectives of software design? Objectives of software design The objective of the design phase is to plan a solution of the difficulty
Develop a detailed design to support the use case specified in the accompanying document: ‘ Asg2 . (Hint: Follow the process for use case realization and develop analysis clas
Closed box testing is similar as black box testing. Black box testing a type of testing that examine only externally visible behavior.
Explain the term - Code Complete - Phase of development where functionality is implemented completely with only bug fixes remaining. - All functions from functional specific
The "user guide" is the similar as the user manual. The user guide is a document that shows information essential to employ a system or component to get the desired results. Typica
To develop software of lasting quality you have to lay down a solid architectural foundation that is resilient to change. Modelling is at the heart of the development of good quali
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