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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.
Illustrate the example of Data dictionary of payroll Data dictionary of payroll may include below fields: PAYROLL = [Payroll Details] = @ employee name + employee + id
Sanity testing is performed whenever cursory testing is sufficient to show the application is functioning according to specifications. This level of testing is a subset of regressi
Q. Differentiate between object oriented and function oriented design. Ans: • Function-oriented design depend on identifying functions which transform their inputs to create
What are the advantages of evolutionary prototyping? i. Fast delivery of the working system. ii. User is included while developing the system. iii. More useful system can
explain the goal oriented requirement elicitation process with a neat sketch
This assignment uses the data set rent.txt, the Housing Rent Prices in Munich file available at ">http://www.interactivegraphics.org/Datasets.html. 1.Produce a scatterplot of Re
1. Take a look at the code and try to understand the logic, particularly, the way scrambled words are disambiguated, i.e.., whether they are matched successfully against a correct
Question: Draw a class diagram which represents the information handled by the Online Bakery-equipments Ordering System. Your class should briefly and simply reflect the relat
Differentiate between regression testing and re-testing - Re-testing: - It means testing a single defect that was just fixed. Only one test is performed here. - The ta
Q. Differentiate between function oriented design and object oriented design. Ans. Function oriented design:- Function oriented design strategy relies on decayed the system i
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