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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 are the guidelines for data design? i. Use systematic analysis on data. ii. Find data structures and related operations. iii. Prepare data dictionary. iv. Use inf
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What is Criticality? The degree of impact that a necessity, module, error, fault, failure, or other item has on the operation of a system or development.
List the task regions in the Spiral model. Customer communication - In this region it is suggested to make customer communication. Planning - All planning activities are car
Software Availability: In the present day context, software suppliers have realised the potential demand and also the special requirements of library and information professio
Library Housekeeping Software: The market is flooded with a variety of packages specially designed to support library housekeeping operations such as acquisitions, cataloguing
What is Top-Down Strategy? Ans) Top down integration is basically an approach where modules are produced and tested starting at the top level of the programming hierarchy and re
Q. Explain about Function count? Function count:- It measures the functionality from the user point of view that is on the basis of what the user requests and receives in ret
what is hatley pirbhai extension and what is its use
Automated testing is a formally specified and controlled method of formal testing approach. or That part of software testing that is assisted with software tool(s) that does
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