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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.
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
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 relatio
How many types of traceability in software engineering? i. Source traceability - These are generally the links between requirement to stakeholders who suggests these requiremen
State about the Data Dictionary This is another tool of requirement analysis that reduces complexity of DFD. A data dictionary is a catalog of all components of a system. DFD
Q. Show the Advantages of Total Quality Management? Improves reputation-problems and faults are sorted quicker and spotted (zero defects) Higher employee morale- wo
Define cohesion & coupling? Give suitable examples. Coupling : Coupling refers to the strength of the relationship among modules in a system. Coupling shows how strongly dif
Glass box testing is the similar as white box testing. It's a testing approach that consider the application's program structure, and derives test cases from the application's prog
What is Failure-directed Testing Ans) Testing based on the information of the types of errors made in the earlier period that are likely for the system under test.
fact finding examples
Ask quewhat is code restructuringstion #Minimum 100 words accepted#
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