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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.
The term "performance testing" is usually used synonymously with stress testing, load testing, reliability testing, and volume testing. It is a part of system testing, but it's als
#question2. Explain any ten CASE tools...
Within the discussion board area, respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your fellow clas
What are the types of Software system requirements? Functional requirements: Services the system should give. Non-functional requirements: Constraints on the services.
Define Traceability Traceability is the overall property of requirements specification which reflects the easiness of finding related requirements. Three different parts
The Clue-Less system is a software version of the popular board game Clue. The rules of Clue-Less mirror those of Clue, with the exception of a modified navigation scheme. The soft
Q. What is function point? Ans. Function point methods the functionality from the user point of view that is on the basis of what the user request and receives in return. C
State the process of White box testing White box testing: This method, also termed as glass box testing, is performed early in testing process. By using this, software engi
algorithums
A major book retailer is planning to develop a computer system to handle their new online bookshop: BooksUniverse.com. You have been chosen to do the analysis and design using Obje
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